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220 lines
82 KiB
220 lines
82 KiB
4 months ago
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id&qtp&qim&qil&qtx&qca&qia&qrm&qnxt&qprv&qalb&subj&wght&pts&flr&ded
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it190.001&tf&0&&Hardware directs the computer software by organizing specific instructions to be performed.;&FALSE&TRUE&This is false because hardware reacts to what the software tells it to do.&&&&Foundation&&&This is false because hardware reacts to what the software tells it to do.&0
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it190.002&mcs&0&&The terms RISC and CISC refer to different types of: &processors&programs;PC memory& The terms refers to types of instruction sets for processors.&&&a&Foundation&&& The terms refers to types of instruction sets for processors.&0
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it190.003&mcs&0&&At a high level, which of the following form three different and distinct layers of function within a computer?&Application, Operating System, Hardware&Software, programs, applications;Operating System, supervisor code, control program&Incorrect. The best answer is <U>Application, Operating System, Hardware.</U>&&&a&Foundation&&&Incorrect. The best answer is <U>Application, Operating System, Hardware.</U>&0
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it190.004&tf&0&&IT stands for Internet Technology.&FALSE&TRUE&IT stands for Information Technology.&&&&Foundation&&&IT stands for Information Technology.&0
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it190.005&mcs&0&&Which of the following terms describes when a program is actually running on a computer?&Program execution&Program supervison;Program implementation&The correct answer is <B> Program execution</B>.&&&a&Foundation&&&The correct answer is <B> Program execution</B>.&0
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it190.006&mcs&0&&Which of the following statements is <B>false</B>?&Computer automation has been enhanced through the years because different applications are easily integrated.&Many large businesses use applications for accounting, processing orders, and managing inventory. ;Computers are critical to business operations in companies that rely on electronic access to information. ;It is commonplace to find IT departments having difficulty keeping up with the demands of the business users they serve. ;&The false statement is <u>Computer automation has been enhanced through the years because different applications are easily integrated</u>.&&&a&Foundation&&&The false statement is <u>Computer automation has been enhanced through the years because different applications are easily integrated</u>.&0
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it190.007&mcs&0&&Increased connectivity typically raises concerns about:&Security of the business transaction.&The reliability of memory chips being used.;Overall worker productivity.;The future of computer networking.;&Incorrect. Increased connectivity is typically accompanied by various security exposures, depending on the environment and the systems being used.&&&a&Foundation&&&Incorrect. Increased connectivity is typically accompanied by various security exposures, depending on the environment and the systems being used.&0
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it190.008&mcs&0&&In companies that rely heavily on computers, which of the following can have a sizeable negative-impact on worker productivity?&Poor computer response time and computer down-time.&Expensive computer maintenance contracts and limited disaster recovery plans.;Slow development times and high error rates during acceptance testing.;Application limitations and excess capacity. ;&The correct answer is <U> Poor computer response time and computer down-time</U>.&&&a&Foundation&&&The correct answer is <U> Poor computer response time and computer down-time</U>.&0
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it190.009&mcs&0&N&Which of the following is <i>false</i>:&Companies are increasingly finding that personal productivity applications on the PC can solve their larger issue of application integration. &The need for businesses to offer services and products to customers electronically, to be able to execute business-to-business transactions electronically, is growing in importance.;Many businesses are trying to integrate the applications that run the core business functions with new internet-based transactions, and to do this without compromising security, availability and performance. ;Enterprise Resource Planning (ERP) applications were developed to integrate business functions.;&Incorrect. This is a true statement. The false statement has to do with running personal productivity applications on the PC, which has little to do with the larger issue of application integration. &&&a&Foundation.0&&&&0
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it190.010&mcs&0&&Which of the following best describes the four types of computers commonly used in business?&Mainframe, mid-range, workstation, personal computer&Mainframe, AS/400, NT, calculators;UNIX, AIX, Windows, Java;Big Iron, Microsoft, Enterprise, Macintosh;&The correct answer is <B>Mainframe, mid-range, workstation, personal computer</B>.&&&a&Foundation&&&The correct answer is <B>Mainframe, mid-range, workstation, personal computer</B>.&0
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it190.011&mcs&0&&Which of the following represents legitimate general categories of computers?&Supercomputers, enterprise servers, workstations, personal, hand-held &Superscalar, servlets, workstations, personal computers, desktop appliances, mobile;cellular, paramagnetic, atomic, bionic;128-bit, 64-bit, 32-bit, 16-bit, 8-bit optimized, 4-bit;&Sorry, the correct answer is 'supercomputers, enterprise servers, workstations, personal, hand-held.';&&&a&Foundation&&&Sorry, the correct answer is 'supercomputers, enterprise servers, workstations, personal, hand-held.';&0
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it190.012&mcs&0&N&Which of the following is <u><i>not true</u></i> about mainframes?&Today, there are more than 100,000 S/390 mainframes in use around the world. &Mainframes based on IBM's System/390 architecture have also been built by other vendors.;Large businesses continue to rely heavily on S/390 mainframe computers. ;The S/390 mainframe is about as large as a home refrigerator and a single processor chip is about the size of a person's thumb-nail. ;&Incorrect. The number of companies that use S/390 world-wide is estimated to be well below 100,000.&&&a&Foundation.0&&&&0
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it190.013&mcs&0&&Which of the following is not a prominent competitor in the mid-range computer market?&Apple&Compaq;NCR;HP;&The correct answer is Apple. Apple concentrates on personal computers and servers for local area networks.&&&a&Foundation&&&The correct answer is Apple. Apple concentrates on personal computers and servers for local area networks.&0
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it190.014&mcs&0&Y&<I>Choose a pair of terms to fill in the blanks</I>: Workstations are commonly used for graphics applications such as Computer Aided ____________ and Computer Aided _____________.&Design, Engineering&Development, Engineering;Development, Enhancements;Design, Enhancements;&The correct answer is <U>Design, Engineering</U>;&&&a&Foundation.0&&&&0
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it190.015&mcs&0&&The idea of making a computer more friendly with a graphical user interface, or GUI, was first developed by:&Xerox&Apple;IBM;Microsoft;&The correct answer is Xerox.&&&a&Foundation&&&The correct answer is Xerox.&0
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it190.016&tf&0&N&Non-volatile storage means that its contents are lost when the power is turned off.&FALSE&TRUE&Non-volatile storage means that its contents are <b>not</b> lost when the power is turned off.&&&&Foundation.0&&&&0
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it190.017&mcs&0&N&From a resource management standpoint, the three main categories of hardware resources are: &processor, memory, and I/O.&processor, processor cache, and bandwidth.;programs, memory, and I/O.;programs, processor cache, and bandwidth.;&Sorry, the correct answer is processor, memory, and I/O. This is the most inclusive (broadest) set of categories compared to the other answers.&&&a&Foundation.0&&&&0
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it190.018&mcs&0&N&When comparing different computers, which one of the following is <U>not</U> an accurate statement?&Processors are rarely optimized for a specific type of work.&Processors are built to perform a set of instructions.;Processors are built according to a specific hardware architecture.;Processors often use several different levels of memory as holding areas.;&The false statement is <B>Processors are rarely optimized for a specific type of work.</B> Processors can be tailored for specific types of work, so this is an area where they may differ.&&&a&Foundation.0&&&&0
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it190.019&tf&0&N&Normally, the act of saving a file back to disk means the modifications made to the file are written from main memory back onto the disk.&TRUE&FALSE&The statement is true.&&&&Foundation.0&&&&0
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it190.020&mcs&0&&Depending on the architecture, there are many different types of computer memory. There is main memory, expanded memory, cache memory, and _________. &processor registers&I/O;channels;imaging;&Sorry, the correct answer is <U>Processor Registers.</U> Processors have different types of registers that are used as high-speed storage when processsing instructions.&&&a&Foundation&&&Sorry, the correct answer is <U>Processor Registers.</U> Processors have different types of registers that are used as high-speed storage when processsing instructions.&0
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it190.021&mcs&0&N&Three of these items are similar. Which one is very different from the other three?&virtual storage¢ral storage;main storage;real storage;&The correct answer is <B>virtual storage</B>. All the others are the same storage, just different names.&&&a&Foundation.0&&&&0
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it190.022&mcs&0&&Which of the following types of memory chips is ;non-volatile storage:&ROM&RAM;SRAM;DRAM;&Sorry, the correct answer is ROM.&&&a&Foundation&&&Sorry, the correct answer is ROM.&0
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it190.023&tf&0&N&Photolithography is the term that describes the process of making chips from silicon crystal. &FALSE&TRUE&Photolithography is the technique used to engrave electronic circuits onto the chip's surface.&&&&Foundation.0&&&&0
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it190.024&tf&0&N&Prominent companies in chip-making include Intel, IBM, Motorola, Texas Instruments, National Semiconductor, Novell, and Advanced Micro Devices (AMD).&FALSE&TRUE&This question is false because Novell doesn't make chips. There are many other companies in the industry as well, but other than Novell, these are certainly some of the big names.&&&&Foundation.0&&&&0
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it190.025&mcs&0&&Which of the following is <U><I>not true</u></I> about Silicon-on-Insulator (SOI):;&SOI is a breakthrough made by a development team at Intel.&SOI involves placing a thin pure silicon layer on top of an oxide layer that sits on the silicon wafer.;The SOI process is commercially viable.;SOI speeds the transmission of electrical current on the chip, which ultimately means a faster chip that uses even less power.;&Incorrect. The breakthrough came from IBM, not Intel.&&&a&Foundation&&&Incorrect. The breakthrough came from IBM, not Intel.&0
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it190.026&mcs&0&N&Looking to the future, scientists have learned how to build organic molecules that can form channels suitable for conducting electrical charges. This is being referred to as:&molecular computing&wetware;molecuware;dynamic silicon;&Incorrect. The correct answer is molecular computing.&&&a&Foundation.0&&&&0
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it190.027&tf&0&N&Both the AMD Athlon processor and the Intel Pentium III processor have broken through the 1,000MHz (or 1GHz) speed barrier. &TRUE&FALSE&It's true. Early in March of 2000, first AMD and then Intel announced a 1GHz chip. &&&&Foundation.0&&&&0
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it190.028&mcs&0&&Which one of the following statements is <U>false</U>?&Adding processors to a system seldom increases contention.&Massively parallel systems could have more than a thousand processors.;SMPs shares resources, such as main memory and I/O.;Adding more processors can potentially create overhead and contention enough to negate the benefits of having additional processors.;&Incorrect. The one false statment is <U>Adding processors to a system seldom increases contention</U>.&&&a&Foundation&&&Incorrect. The one false statment is <U>Adding processors to a system seldom increases contention</U>.&0
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it190.029&tf&0&N&At a very high level, a computer cluster consists of multiple separate computers, which may be MPs, that are connected together. &TRUE&FALSE&At a high-level, this definition is accurate.&&&&Foundation.0&&&&0
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it190.030&tf&0&N&A failover means that one computer in an MP caused another one to fail.&FALSE&TRUE&Failover really means multiple computers can be designed to immediately pick up the workload of another computer if it crashes.&&&&Foundation.0&&&&0
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it190.031&tf&0&N&A program <U>cannot</U> be run on a computer if it exceeds the size of a computer's main memory.&FALSE&TRUE&This is false. Virtual storage provides for a logical view of storage that is much larger than the amount of main memory present.&&&&Foundation.0&&&&0
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it190.032&tf&0&N&The concept of <I>virtual</I> is to create an illusion that something exists, when it really doesn't.&TRUE&FALSE&This is a true statement.&&&&Foundation.0&&&&0
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it190.033&mcs&0&&Virtual storage alleviates some storage bottlenecks, but on the negative side, ________________. &all the page translation and movement creates system overhead.&the per-unit cost of storage is continuing to grow.;the programmers don't really benefit.;a minimum of two processors are required for each virtual program.;&Incorrect. The negative part about virtual storage is that it creates some overhead.&&&a&Foundation&&&Incorrect. The negative part about virtual storage is that it creates some overhead.&0
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it190.034&mcs&0&N&Which of the following list describes categories of programs used by a PC?&System software, utility software and application software&CD software, hard disk software, and floppies;VMS software, RISC software, and RAID software;Motherboard software, chipset software, and ethernet software;&Sorry. Wrong answer. Look for the word 'software' when talking about programs. The correct answer is 'system software, utility software and application software.'&&&a&Languages.0&&&&0
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it190.035&mcs&0&N&In a broad sense, each of the following are examples of application programs <I><U><B>except</U></I></B>:&Text Editors such as MKDIR and CHDIR&Accounts Payable System;Email Software;ROI spreadsheet;&The one that doesn't fit is 'Text editors such as Text editors such Mkdir'&&&a&Languages.0&&&&0
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it190.036&mcs&0&N&Which of the following is a list of operating systems?&PC-DOS, Windows 98, UNIX, and MS-DOS&MVS, S/390, LINUX, and RISC;HTTPS, BIOS and Solaris;Apple, Microsoft, VAX Digitex and COBOL;&The correct answer is 'PC-DOS, Windows 95, UNIX, and MS-DOS.'&&&a&Languages.0&&&&0
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it190.037&tf&0&N&Device drivers are system software that help peripherals such as printers work with applications and operating system software.&TRUE&FALSE&This is true.&&&&Languages.0&&&&0
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it190.038&mcs&0&&All of the following are typical aids that are part of desktop publishing software <B><I><U>except</B></I></U>:&machine language&toolbars;graphics and clip art;templates;&Incorrect. The one that doesn't fit here is 'machine language.'&&&a&Languages&&&Incorrect. The one that doesn't fit here is 'machine language.'&0
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it190.039&mcs&0&&Which one of the following is <B><I>not</B></I> a command shell of a UNIX operating system?&COBOL&BOURNE;KORN;BASH;&Sorry. Wrong answer. The correct answer is COBOL.&&&a&Languages&&&Sorry. Wrong answer. The correct answer is COBOL.&0
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it190.040&mcs&0&&Which one of the following statements is <U><B>incorrect</U></B>?&X-Window is Microsoft's product that makes UNIX look and feel like Windows 98.&The command shell is roughly the UNIX equivalent of the MS-DOS command line on a PC. ;There are actually several UNIX command shells.;The X-Window system works on more than one platform.;&This is true. The false statement is 'X-Window is Microsoft's product that makes UNIX look and feel like Windows 98.'&&&a&Languages&&&This is true. The false statement is 'X-Window is Microsoft's product that makes UNIX look and feel like Windows 98.'&0
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it190.041&mcs&0&&Which group is a list of UNIX commands? &cat, cd, find and mkdir&up, down, forward and back;goto, get, run and loop;erp, url, dos and http;&Wrong answer for this question. The correct answer is 'cat,cd,find, and mkdir.'&&&a&Languages&&&Wrong answer for this question. The correct answer is 'cat,cd,find, and mkdir.'&0
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it190.042&mcs&0&&The scheduler in the UNIX operating system allows:&more than one user to run applications &allotted times when the users can access the stored data on files;a user to plan when he/she will work on the network;modems to search the internet and schedule a website to open;&Wrong - the scheduler allows more than one user to run applications at the same time.&&&a&Languages&&&Wrong - the scheduler allows more than one user to run applications at the same time.&0
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it190.043&tf&0&N&A UNIX command shell is similar to an MS-DOS command line.&TRUE&FALSE&This is true.&&&&Languages.0&&&&0
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it190.044&mcs&0&N&All of the following are true about UNIX <B><I><U>except</B></I></U>:&UNIX cannot operate on a network of more than fifty users.&UNIX is set up for multiple users.;ERP packages in UNIX are similar to PC sets of programs called 'suites.';'C' is a popular programming language used in UNIX.;&Incorrect. UNIX can operate on a network of more than fifty users, so the false statement is the one that states it cannot.&&&a&Languages.0&&&&0
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it190.045&mcs&0&&Which of the following is not likely to be used on a mainframe computer?;&Microsoft Word&Time Sharing Option (TSO);Customer Interaction Control Services (CICS);Job Entry Subsystem (JES);&Sorry, you should have chosen Microsoft Word. That is a word processing program usually limited to use on PC's.&&&a&Languages&&&Sorry, you should have chosen Microsoft Word. That is a word processing program usually limited to use on PC's.&0
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it190.046&mcs&0&Y&Which of these statements is not true of mainframe computers (specifically the one's being used by most large companies)?&Early mainframes could be installed in a typical office environment (requiring no special power or cooling)&A mainframe can be used by hundreds or thousands of users at the same time.;In general, a mainframe rarely crashes even while operating under a heavy load.;Mainframes are not susceptible to computer viruses.;&Incorrect. It was mid-range computers, not early mainframes, that could be installed in a typical office environment (requiring no special power or cooling).&&&a&Languages.0&&&&0
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it190.047&mcs&0&Y&Which is a popular mid-range computer system used by many small businesses&IBM AS/400&Windows NT;IBM S/390;Digital KL/5000;&No, sorry. The correct choice was 'IBM AS/400.'&&&a&Languages.0&&&&0
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it190.048&mcs&0&N&In data processing, which of the following is the best definition of a <B><I><U>transaction</B></I></U>?&one step, or a series of interdependent steps that cannot be separated.&used only by the banking industry.;a process used by anyone connected to a 'dumb terminal.'; a process that can only be executed during regular business hours.;&A transaction is a series of steps (one or more) that cannot be separated.&&&a&Languages.0&&&&0
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it190.049&tf&0&N&Both PC's and NPT's (dumb terminals) are used to connect users to a mainframe.&TRUE&FALSE&This is true. Both can be used to connect users to a mainframe.&&&&Languages.0&&&&0
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it190.050&mcs&0&N&JCL (Job Control Language) controls the running of batch jobs on a mainframe and is used to do all of the following <B><I><U>except:</B></I></U&format control fields of a display terminal&compile and execute programs;run utility programs;submit jobs from an online terminal;&JCL isn't used to format terminal displays.&&&a&Languages.0&&&&0
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it190.051&mcs&0&N&Which one of the following statements is false?&Computers use binary because it saves on power consumption.&It takes more digits to represent a number in binary than in octal, decimal, or hexadecimal.;Decimal is base ten, hexadecimal is base 16.;ASCII is widely used. ;&The FALSE statement is 'Computers use binary because it saves on power consumption.' Using binary has nothing to do with power consumption.&&&a&Languages.0&&&&0
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it190.052&mcs&0&&Binary 1100 converted to decimal is:&12&10;16;1100;&Sorry. Remember, the first four binary columns have equivalent value of 1,2,4, and 8 in decimal. Since there is a one in the eight column, and a one in the four column, eight plus four = twelve.&&&a&Languages&&&Sorry. Remember, the first four binary columns have equivalent value of 1,2,4, and 8 in decimal. Since there is a one in the eight column, and a one in the four column, eight plus four = twelve.&0
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it190.053&mcs&0&&Which of the following is not a correct representation of how numbers are written in different bases?&hexadecimal digits are written in base 6&binary digits are written in base 2;octal digits are written in base 8;decimal digits are written in base 10;&No, because hexadecimal is base 16, not 6.&&&a&Languages&&&No, because hexadecimal is base 16, not 6.&0
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it190.054&mcs&0&&All but one of the below are correct designations for hexadecimal digits. Which one is not correct?&HnumberD&X'number';numberh or numberH;$number;&No, this is a correct way to designate a number in hexadecimal. You should have chosen 'HnumberD.'&&&a&Languages&&&No, this is a correct way to designate a number in hexadecimal. You should have chosen 'HnumberD.'&0
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it190.055&mcs&0&&Name two popular binary codes used to represent characters and to control information.&EBCDIC and ASCII&RISC and RAID;UNIX and COBOL;MVS and S/390;&Wrong answer! The correct answer is EBCDIC and ASCII.&&&a&Languages&&&Wrong answer! The correct answer is EBCDIC and ASCII.&0
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it190.056&tf&0&Y&Programs and devices do not have to support the same character and control codes to communicate.&FALSE&TRUE&This is false. They both must support the same codes in order to communicate.&&&&Languages.0&&&&0
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it190.057&mcs&0&&Which statement is not true? &A half byte is the same as an octal character.&One byte is equal to eight bits.;One word is four bytes or thirty-two bits.;A single binary digit is one bit.;&No, this is true! The inaccurate statement is 'A half byte is the same as an octal character.'&&&a&Languages&&&No, this is true! The inaccurate statement is 'A half byte is the same as an octal character.'&0
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it190.058&tf&0&N&An instruction set is the list of instructions that a processor is capable of executing.&TRUE&FALSE&This is true!&&&&Languages.0&&&&0
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it190.059&tf&0&N&Programming languages are designed to make the process of creating computer programs easier than writing statements in machine language.&TRUE&FALSE&This is true!&&&&Languages.0&&&&0
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it190.060&mcs&0&N&Each machine instruction consists of which of the following?&an operation code and one or more operands&an assembly code and an operator code;a compiler code and one or more operator codes;a basic code and one or more operator codes;&The correct answer is 'an operation code and one or more operands.'&&&a&Languages.0&&&&0
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it190.061&mcs&0&&Which one of the languages listed below is not considered a higher level programming language?&LOGOS&COBOL;C++;Pascal;&The language that is not a higher level computer language is LOGOS.&&&a&Languages&&&The language that is not a higher level computer language is LOGOS.&0
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it190.062&mcs&0&&Assembly language is written by a programmer and then...&converted to machine language for execution.&scanned by the operator and saved to an optical disk.;translated to COBOL or other languages to run.;sent to the compiler and batched for the programmer.;&Incorrect. The correct answer is 'converted to machine language for execution.'&&&a&Languages&&&Incorrect. The correct answer is 'converted to machine language for execution.'&0
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it190.063&tf&0&N&4GL's or fourth generation computer languages, are higher level and therefore designed to be harder to use than high-level languages such as Pascal.&FALSE&TRUE&This statement is false. 4GLs are designed to be easier to use.&&&&Languages.0&&&&0
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it190.064&mcs&0&N&CASE was based on the idea that software can assist with...&generating computer programs.&compile and execute programs.;email the compiler when a problem exists.;multitask in many different areas of execution.;&The correct answer is 'generating computer programs.'&&&a&Languages.0&&&&0
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it190.065&mcs&0&&Choose the FALSE statement below. &Object oriented programming is a derivative of BASIC.&Assembly language is used for applications that demand the ultimate in speed or minimum size. ;The C language has become one of the most widely used languages.;The C++ language was developed to extend Object Oriented capabilities to the C language. ;&Sorry, the FALSE statement is 'Object oriented programming is a derivative of BASIC.'&&&a&Languages&&&Sorry, the FALSE statement is 'Object oriented programming is a derivative of BASIC.'&0
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it190.066&mcs&0&&Higher level languages such as C++ have eliminated many of the problems of assembly language because...&higher level languages are a lot easier to understand and have syntax that is more user friendly.&compilers for higher level languages have not been developed for more than one type of computer.;it is much harder to port a higher level program to different systems.;higher level languages require a lot of coding.;&No, the correct answer is 'higher level languages are a lot easier to understand and have syntax that is more user friendly.'&&&a&Languages&&&No, the correct answer is 'higher level languages are a lot easier to understand and have syntax that is more user friendly.'&0
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it190.067&mcs&0&&The C language has become a widely used programming language for all of the following <B><I><U>except</B></I></U> ...&writing applets&writing operating systems;writing routines and subroutines;writing standard applications;&No, this is a use of the C language. Applets are programs developed using Java, not C.&&&a&Languages&&&No, this is a use of the C language. Applets are programs developed using Java, not C.&0
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it190.068&mcs&0&Y&The Apple Macintosh operating system and environment was originally written entirely in:&Pascal&BASIC;C ;Fortran;&No, the language used for the Macintosh was Pascal.&&&a&Languages.0&&&&0
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it190.069&tf&0&N&BASIC language was initially developed to teach programming and now has no use in modern computer applications.&FALSE&TRUE&This statement is false. BASIC is part of Microsoft Office as well as other applications used today.&&&&Languages.0&&&&0
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it190.070&mcs&0&N&PL/1 is a language developed by IBM that...&is extremely powerful and generally runs on a mainframe.&is commonly used to write the BIOS for a PC.;requires that the programmer know very little to use it properly.;has many compilers available from other companies.;&PL/1 is extremely powerful and generally runs on a mainframe.&&&a&Languages.0&&&&0
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it190.071&mcs&0&&All of the following are characteristics of Java <B><U><I>except</B></U></I> :&Java is based on assembly language.&Java is used to add content and animation to web pages.;Java runs on many different platforms.;Java has characteristics of Object-Oriented programming.;&No, this is a feature of Java that makes it so useful. Java is based on C++, not assembly language.&&&a&Languages&&&No, this is a feature of Java that makes it so useful. Java is based on C++, not assembly language.&0
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it190.072&mcs&0&N&Which one of the following statements is <B><I><U>false</B></I></U> ?&Operating systems may differ one from another, but basically they all offer the same level and quality of support and services.&Operating systems provide intelligence for the hardware.;Operating systems manage resources.;Operating systems have error handling logic.;&The false statement is 'Operating systems may differ one from another, but basically they all offer the same level and quality of support and services.'&&&a&OS.0&&&&0
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it190.073&mcs&0&N&Which is a list of operating systems you are likely to find in use today in an enterprise environment.&Windows (98, NT, and 2000), UNIX, and OS/390&DBMS, DMIA, OX/2 and AS/DOS;IBM, Compaq, VAX Digitex, and HP;COBOL, Java, BASIC and LP/1;&The correct answer is 'Windows (98, NT, and 2000), UNIX, and OS/390.'&&&a&OS.0&&&&0
|
||
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it190.074&tf&0&N&Pre-emptive multitasking has to do with bypassing error handling when hardware fails.&FALSE&TRUE&Preemptive multitasking is about managing multiple concurrent tasks on a priority basis.&&&&OS.0&&&&0
|
||
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|
it190.075&tf&0&N&Most operating systems are the same in the areas of scalability, availability, reliability, security and ease of maintenance.&FALSE&TRUE&The statement is false. These are all features that distiguish the superior operating systems from the less-capable systems.&&&&OS.0&&&&0
|
||
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it190.076&mcs&0&N&Operating systems measure resource usage, manage storage resources, and also do the things listed below, <B><I>except:</B></I>&generate program code for device drivers&handle hardware interrupts;handle error recovery;dispatch work;&The false statement is 'generate program code for device drivers.'&&&a&.0&&&&0
|
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it190.077&tf&0&N&While the hardware provides the architecture for the OS, the software can typically do things beyond the capabilities of the hardware it runs on. &FALSE&TRUE&Some features can be implemented in software alone, but the software can never go beyond the capabilities of the hardware it runs on.&&&&OS.0&&&&0
|
||
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it190.078&tf&0&N&The hardware bit specifications (32-bit, 64-bit) affect the processor, the data path, and the memory addressing. &TRUE&FALSE&This is true.&&&&OS.0&&&&0
|
||
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it190.079&tf&0&N&It is possible for operating system software and application software that is 32-bit by design, to still function in a 64-bit architecture.&TRUE&FALSE&This is a true statement.&&&&OS.0&&&&0
|
||
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it190.080&mcs&0&N&Which of the following is <b><I>not</b></I> a characteristic of 64-bit computing?&a 62-bit data path to access memory plus 2 control bits&very large main memory support;large virtual address spaces;large file support;&The correct answer is ' a 62-bit data path to access memory plus 2 control bits.'&&&a&OS.0&&&&0
|
||
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it190.081&mcs&0&N&What is the main reason why viruses exist on PC's?&many PC-based operating systems allow application programs to directly access key system areas of the computer&most PC's use 56k modems to access the Internet instead of a T1 or ISDN connection like mainframes do;most PC's have 32-bit processors instead of 64-bit processors;good virus protection software is too expensive to run on the average PC;&The correct answer is 'many PC-based operating systems allow application programs to directly access key system areas of the computer.'&&&a&OS.0&&&&0
|
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it190.082&mcs&0&&Identify the <B><I>false</B></I> statement below.&For a Windows-based PC, device drivers are linked into the base operating system also known as the kernel.&The Personal Computer is designed to be a personal productivity tool, and the operating system on a PC caters to the needs of individuals.;For S/390 systems, device support is included as part of the operating system.;For UNIX operating systems, some device drivers are linked into the kernel, while some add-on products may require unique device drivers.;&This statement is true. The false statement is 'For a Windows-based PC, device drivers are linked into the base operating system also known as the kernel.'&83&81&a&OS&&&&0
|
||
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|
it190.083&mcs&0&N&Which answer is a list of operating systems that run on Intel-based servers natively?&DOS, PC-DOS, Windows NT and LINUX&VSE, VM, MVS and TPF;Windows 2000, OS/400, MPE and VMS;Windows 98, OS/390, UNIX and VSE;&Incorrect. The right answer is 'DOS, PC-DOS, Windows NT and LINUX.'&&&a&OS.0&&&&0
|
||
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it190.084&mcs&0&&Which of the following terms is not something found in the broader UNIX environment?&ESCON multiple image facility&Process;Kernel;Daemon;&No, sorry. ESCON multiple image facility is a feature exclusive to the S/390 environment. It is not something found in the broader UNIX environment.&&&a&OS&&&No, sorry. ESCON multiple image facility is a feature exclusive to the S/390 environment. It is not something found in the broader UNIX environment.&0
|
||
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it190.085&mcs&0&N&HP, Sun and IBM still have large numbers of users on UNIX, but UNIX in general is gradually losing market share to which of the following?&Windows NT and Windows 2000&Solaris;Xenix;AppleWorks;&The correct answer is 'Windows NT and Windows 2000.'&&&a&OS.0&&&&0
|
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it190.086&tf&0&N&In UNIX, a program is also called a process, and there are three categories of processes: user, driver, and daemon.&FALSE&TRUE&The three categories are user, kernel, and daemon, not driver.&&&&OS.0&&&&0
|
||
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it190.087&mcs&0&N&Which of the following is <B><I><U>not</B></I></U> something the kernel provides in a UNIX-based operating environment?&provides error correction for communication devices. &assigns memory;loads programs for execution;manages files and multiple concurrent tasks;&The correct answer is 'provides error correction for communication devices.' &&&a&OS.0&&&&0
|
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it190.088&mcs&0&N&A daemon is a program that... &runs in the background to handle certain operations when required.&provides most of the system services.;sets up the user interface.;provides the bulk of the operating system code.;&The correct answer is 'runs in the background to handle certain operations when required.'&&&a&OS.0&&&&0
|
||
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it190.089&tf&0&N&In a UNIX system, the shell processes every command by a user and either invokes a utility program or issues a call to the kernel.&TRUE&FALSE&The statement is true.&&&&OS.0&&&&0
|
||
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it190.090&mcs&0&&In UNIX, the part of the operating system that provides most system services is called:&the kernel&the daemon;the process;the shell;&No. The kernel provides most system services.&&&a&OS&&&No. The kernel provides most system services.&0
|
||
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it190.091&tf&0&N&MVS is based on a design where users share the same address space, which creates security exposures.&FALSE&TRUE&MVS is based on a design where users occupy their own private address space. This design offers substantial security and protection from other users.&&&&OS.0&&&&0
|
||
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it190.092&mcs&0&&Which of the following is NOT part of the OS/390 environment?&exposure to computer viruses &support for multiple processors;support for thousands of concurrent users;UNIX Services;&The correct answer is that exposure to computer viruses is NOT part of the OS/390 environment. This is due to the systems advanced protection and security features.&&&a&OS&&&The correct answer is that exposure to computer viruses is NOT part of the OS/390 environment. This is due to the systems advanced protection and security features.&0
|
||
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it190.093&tf&0&N&OS/390 evolved from MVS, VSE, and VM.&FALSE&TRUE&OS/390 evolvrd form MVS. VSE and VM are separate from OS/390.&&&&OS.0&&&&0
|
||
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it190.094&mcs&0&Y&IBM developed MVS in the 70's to be an operating system that...&had lots of 'head room' to allow growth and have a long life in the computer industry.&would take up less space on the hard drives of mainframes.;would compete against Windows NT for a share in the PC server market.;supported the hardware's 128-bit addressing range.;&Wrong! The correct answer is 'had lots of 'head room' to allow growth and have a long life in the computer industry.'&&&a&OS.0&&&&0
|
||
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it190.095&mcs&0&&Which of the following is NOT true about the HP 3000 computer system?&HP 3000's are associated with the OpenVMS operating system.&HP 3000's are more traditionally known as midrange computers.;HP 3000's are scalable over a broad range.;HP 3000 computers have been around for two or three decades.;&The correct answer is 'HP 3000's are associated with the OpenVMS operating system.' In fact the HP 3000 uses the MPE/iX operating system.&&&a&OS&&&The correct answer is 'HP 3000's are associated with the OpenVMS operating system.' In fact the HP 3000 uses the MPE/iX operating system.&0
|
||
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it190.096&mcs&0&&Which of the following is an operating system used on the IBM S/390?&VSE/ESA&Open VMS;HP-UX;TCP/IP;&Wrong! The correct answer is VSE/ESA.&&&a&OS&&&Wrong! The correct answer is VSE/ESA.&0
|
||
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it190.097&mcs&0&Y&Identify the false statement below.&By the end of 1999 Microsoft president Steve Ballmer was standing by his company's claims about Windows 2000's ability to scale.&Microsoft Windows NT 5.0 became Windows 2000. ;Windows 2000 has more lines of code than a number of popular mainframe operating systems.;Many features in Microsoft's operating systems appeared first in other systems.;&No, this is true. The statement about Steve Ballmer is false because he was in fact backing away from previous claims.&&&a&OS.0&&&&0
|
||
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it190.098&mcs&0&&How many versions of Windows 2000 are there?;&four&two;one;three;&Incorrect! There are four versions - Professional, Server, Advanced Server, and Datacenter Server.&&&a&OS&&&Incorrect! There are four versions - Professional, Server, Advanced Server, and Datacenter Server.&0
|
||
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it190.099&mcs&0&N&Which of the following statements is valid?&Windows 2000 has a similar user interface to Windows 95 and Windows 98.&Windows 2000 is the next release of what was formerly Windows 95 and Windows 98.;Windows 2000 is basically Windows 95 code with a few bug fixes and Internet Explorer thrown in.;Windows 2000 was originally slated to be released as Windows 99, but couldn't make the 1999 delivery date.;&Windows 2000 has a similar user interface;to Windows 95 and Windows 98.&&&a&OS.0&&&&0
|
||
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it190.100&tf&0&N&The initial versions of Windows 2000 were finally released in February of 2000. Microsoft had been trying to get the system released since 1997.&TRUE&FALSE&Microsoft had been trying to get the system released since 1997. It was originally named NT 5.0&&&&OS.0&&&&0
|
||
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it190.101&mcs&0&&Windows 2000 Active Directory supports all of the following <B><I><U>except</B></I></U>:&netware quotas&disk quotas;DNS and LDAP;software distribution;&No. AD supports all except netware quotas. Netware is Novell's network operating system.&&&a&OS&&&No. AD supports all except netware quotas. Netware is Novell's network operating system.&0
|
||
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it190.102&mcs&0&N&<i>Complete the list:</i> The Windows 2000 operating system has made significant progress in the areas of scalability, availability, systems management, security, directory services, and (choose one):&file and print services&running mixed workloads;denial of services;priority queuing;&The answer is file and print services.&&&a&OS.0&&&&0
|
||
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it190.103&mcs&0&&Which of the following is not a construct used by Active Directory to organize and manage network objects.&channel&forest;domain;tree;&No. Channel is the item that does not belong in the list.&&&a&OS&&&No. Channel is the item that does not belong in the list.&0
|
||
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|
it190.104&tf&0&Y&The hardware provides the architecture for the OS, but the software typically goes beyond the capabilities of the hardware it runs on. &FALSE&TRUE&Uh oh. Some features can be implemented in software alone, but the software can never go beyond the capabilities of the hardware it runs on.&105&103&&OS&&&&0
|
||
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it190.105&tf&0&Y&The hardware bit specifications (32-bit, 64-bit) affect the processor, the data path, and the memory addressing. &FALSE&TRUE&Sorry! This is true!&106&104&&OS&&&&0
|
||
|
|
it190.106&tf&0&Y&It is possible for operating system software and application software that is 32-bit by design, to still function in a 64-bit architecture.&FALSE&TRUE&Sorry, this is true statement!&107&105&&OS&&&&0
|
||
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it190.107&mcs&0&Y&Which of the following is not a characteristic of 64-bit computing?&64-bit processors cannot have a 128-bit data path&very large main memory support;large file support;large virtual address spaces;&No. The correct answer is '64-bit processors cannot have a 128-bit data path.'&108&106&a&OS&&&&0
|
||
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it190.108&mcs&0&Y&What is the main reason why viruses exist on PC's?&Many PC-based operating systems allow application programs to directly access key system areas of the computer.&Most PC's use 56k modems to access the Internet instead of a T1 or ISDN connection like mainframes do.;Most PC's have 32-bit processors instead of 64-bit processors.;Good virus protection software is too expensive to run on the average PC.&Wrong. The correct answer is 'Many PC-based operating systems allow application programs to directly access key system areas of the computer.'&109&107&a&OS&&&&0
|
||
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it190.109&mcs&0&Y&Identify the <B><I>false</B></I> statement below.&For a Windows-based PC, device drivers are linked into the base operating system also known as the kernel.&The Personal Computer is designed to be a personal productivity tool, and the operating system on a PC caters to the needs of individuals.;For S/390 systems, device support is included as part of the operating system.;For UNIX operating systems, some device drivers are linked into the kernel, while some add-on products may require unique device drivers.;&This statement is true. The false statement is 'For a Windows-based PC, device drivers are linked into the base operating system also known as the kernel.'&110&108&a&OS&&&&0
|
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it190.110&mcs&0&Y&Which answer is a list of operating systems that run on PC-based servers? &DOS, PC-DOS, Windows NT and LINUX.&Windows 2000, OS/400, MPE and VMS;VSE, VM, MVS and TPF;Windows 98, OS/390, UNIX and VSE;&Incorrect. The right answer is 'DOS, PC-DOS, Windows NT and LINUX.'&111&109&a&OS&&&&0
|
||
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it190.111&mcs&0&N&Which one of the following statements is <B><I>false </B></I&Regarding internal organization, there are dozens of types of databases.&Databases help keep data organized and accessible.;Query means 'ask.';Relational databases are very powerful.;&The false statement is 'Regarding internal organization, there are dozens of types of databases. 'There are only a few types, such as flat file, relational, multi-dimensional, and hierarchical databases.&&&a&Database.0&&&&0
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it190.112&mcs&0&N&Database software is essential for:&providing reliable access to key information.&using machine language to diagnose programs.;keeping the operating system logic intact.;allowing desktops to provide GUIs.;&Databases are essential for accessing key information stored in files.&&&a&Database.0&&&&0
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it190.113&tf&0&N&Database Management has long been a key part of transaction processing.&TRUE&FALSE&This is true.&&&&Database.0&&&&0
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it190.114&mcs&0&N&Which of the following statements about database technology is <B><I>not</B></I> true? &The most popular type of database structure is the flat file database.&Database technology is important to web-based electronic transaction processing (eTP) applications. ;Database technology is one of the most successful and productive business applications of all time.;Many vendors have recognized that database management is crucial to business.;&Sorry, this statement is true. The correct answer is the false statement, 'The most popular type of database structure is the flat file database.'&&&a&Database.0&&&&0
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it190.115&tf&0&&A relational database consists of one table that can be examined in many different ways or relations.&FALSE&TRUE&No! Relational databases can consist of multiple tables.&&&&Database&&&No! Relational databases can consist of multiple tables.&0
|
||
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it190.116&mcs&0&&Which one of the following statements is <B><U>false</B></U>?&Flat file databases are powerful databases that compress data (or flatten) so more data can be stored in a small area.&Relational databases are versatile because relationships can be established for a cross section of the data stored.;Subsets of data in tables can be merged to create new tables.;Hierarchical databases use pointers with objects linked beneath and beside each other forming a pyramid.;&Sorry! The correct answer is 'Flat file databases are powerful databases that compress data (or flatten) so more data can be stored in a small area.'&&&a&Database&&&Sorry! The correct answer is 'Flat file databases are powerful databases that compress data (or flatten) so more data can be stored in a small area.'&0
|
||
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it190.117&mcs&0&N&Which one of the following statements is <B><U>false</B></U>?&Meta-data consists of large files of actual business data.&A database organizes data.;Organization is key so data can be retrieved quickly when requested by a user.;A query can be submitted by a person or an application program.;&No, this is true. The false statement and correct answer is 'Meta-data consists of large files of data.'&&&a&Database.0&&&&0
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||
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it190.118&tf&0&N&In form view, database records are viewed one at a time, whereas in table or column view, multiple records can be seen simultaneously.&TRUE&FALSE&This one is true.&&&&Database.0&&&&0
|
||
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it190.119&mcs&0&&Which list is associated with database files and the entities that hold data?&fields, records and tables&pointers, queries and requests;subsets, archives and warehouses;meta-data, holders and indexes;&Wrong! The correct answer is 'fields, records and tables.'&&&a&Database&&&Wrong! The correct answer is 'fields, records and tables.'&0
|
||
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it190.120&tf&0&N&A field is a place where a single piece of information is stored, such as a 'name' field that would serve as a holder for people's names.&TRUE&FALSE&The statement is indeed true!&&&&Database.0&&&&0
|
||
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it190.121&mcs&0&&When speaking in database terms, what is a record?&A database record is a complete set of related fields.&A database record is a group of files that are related.;A database record is a table with multiple database files.;A database record is a set of queries that search for specific files.;&No, the correct answer is 'A database record is a complete set of related fields.'&&&a&Database&&&No, the correct answer is 'A database record is a complete set of related fields.'&0
|
||
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it190.122&tf&0&&A user always needs to view files as tables. Looking at individual records serves no purpose.&FALSE&TRUE&Wrong! Sometimes a user will want to work with one record at a time.&&&&Database&&&Wrong! Sometimes a user will want to work with one record at a time.&0
|
||
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it190.123&mcs&0&N&Which one of the following statements is <B><U>false</B></U>?&You can thank Oracle for inventing Structured Query Language (SQL).&English is the business language of the world.;Structured Query Language (SQL) is how users can access relational databases on mainframes and UNIX servers.;There are many database vendors in today's marketplace.;&The false statement is 'You can thank Oracle for inventing Structured Query Language (SQL).' SQL came from IBM.&&&a&Database.0&&&&0
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it190.124&tf&0&N&SQL (Structured Query Language) was designed for programmers and database managers and is not very user friendly.&FALSE&TRUE&This statement is false. SQL was designed to be user-friendly.&&&&Database.0&&&&0
|
||
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it190.125&mcs&0&N&Why is SQL so popular and widely used?&It has an English-like syntax, and it is available on PC and mainframe database systems.&It is easily converted to COBOL for use in other applications.;It is mainly used in the mainframe environment.;It is run from an internet-based server.;&No, the best answer is 'It has an English-like syntax and it is available on PC and mainframe database systems.'&&&a&Database.0&&&&0
|
||
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it190.126&tf&0&N&Since its initial release, there have been several new versions of SQL that add new features to make the language more powerful and easier to use.&TRUE&FALSE&This is true.&&&&Database.0&&&&0
|
||
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it190.127&mcs&0&N&Which one of the following statements is <B><U>false</B></U> about BI (Business Intelligence (Also called DM or Data Mining)&BI is a very simple process because it takes various data from different sources and easily predicts trends.&BI solutions provide new insights related to customer buying habits and market opportunities.;BI applications often help companies find new ways of serving and interacting with their customers.;BI is an all-encompassing term used to describe the use of data to help with decision making in business.;&No. This statement is true. The correct answer is 'BI is a very simple process because it takes various data from different sources and easily predicts trends.' In fact, BI is very complex, and source data must be 'cleansed' of duplications, errors, inconsistancies and other quality problems before trends can be established.&&&a&Database.0&&&&0
|
||
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it190.128&tf&0&Y&Retailer Toys 'R' Us has the largest data warehouse on record. This helps with both on-line e-business and restocking stores nationwide.&FALSE&TRUE&Not true! Wal-Mart has the largest data warehouse on record.&&&&Database.0&&&&0
|
||
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it190.129&tf&0&Y&Data warehousing is a difficult and expensive technology, but it can provide enormous rewards because it can enable business decision makers to predict buying patterns.&TRUE&FALSE&This is a true statement.&&&&Database.0&&&&0
|
||
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it190.130&mcs&0&N&Which statement is <B><U>true</B></U> when speaking about data mining?&Data mining refers to the ability to drill down and look for patterns and matches within the raw data.&Data mining is only useful for companies who do all their business on mainframes. ;Data mining is not a complex process.;Data mining was developed to help dig out information from another company's files.;&The correct answer is 'Data mining refers to the ability to drill down and look for patterns and matches within the raw data.'&&&a&Database.0&&&&0
|
||
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it190.131&mcs&0&&What is considered the most expensive component of data warehousing?&Cleansing data of the inconsistencies in syntax, semantics and the different ways the data is stored.&Creating subsets of data or 'data marts' that specialize in more detailed analysis of the information gathered.;The computer hardware, especially the tape drives and optical disks for storage of data.;Scattered sources of information that come from a variety of formats and from numerous vendors.;&Sorry, that's wrong! The correct answer is 'Cleansing data of the inconsistencies in syntax, semantics and the different ways the data is stored.' Some estimates suggest up to 80% of a data warehousing budget should be dedicated to data cleansing.&&&a&Database&&&Sorry, that's wrong! The correct answer is 'Cleansing data of the inconsistencies in syntax, semantics and the different ways the data is stored.' Some estimates suggest up to 80% of a data warehousing budget should be dedicated to data cleansing.&0
|
||
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it190.132&tf&0&N&Since building a data warehouse usually means crossing different political domains within an organization, the implied loss of control can make data owners less than cooperative. This needs to be addressed early on to avoid political repercussions.&TRUE&FALSE&This is true. Politics in an organization almost always figures in when information has to be shared by many different departments.&&&&Database.0&&&&0
|
||
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it190.133&tf&0&N&The terms 'Internet' and 'World Wide Web' have come to be used interchangeably, though one is actually a subset of the other.&TRUE&FALSE&This is true!&&&&Internet.0&&&&0
|
||
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|
it190.134&mcs&0&&In the earliest days of the Internet the content presented on the screen to users was mainly:&text&hyperlinks;web pages;browsers;&No, the correct answer is 'text.' As the Internet and transmission of information became more sophisticated, graphics were added and web browsers made the Internet more user friendly.&&&a&Internet&&&No, the correct answer is 'text.' As the Internet and transmission of information became more sophisticated, graphics were added and web browsers made the Internet more user friendly.&0
|
||
|
|
it190.135&mcs&0&&The Internet began as a test-bed for emerging network technologies. It was created by the Department of Defense Advanced Research Projects Agency and named:&ARPANET&INTRENET;GOPHER;INTRANET;&Wrong. The correct answer is 'ARPANET.' ARPANET connected four universities allowing scientists to share both information and resources over the network.&&&a&Internet&&&Wrong. The correct answer is 'ARPANET.' ARPANET connected four universities allowing scientists to share both information and resources over the network.&0
|
||
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|
it190.136&mcs&0&N&What was the standard internet protocol adopted by ARPANET?&TCP/IP&APPLETALK protocol;FTP;JAVA protocol;&The correct answer is 'TCP/IP'.&&&a&Internet.0&&&&0
|
||
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|
it190.137&mcs&0&&The University of Minnesota developed a hierarchical, menu-based method for providing and locating information on the Internet. It was named:&GOPHER&HEDGHOG;WOLVERINE;BEAVER;&Wrong. It was named 'Gopher' after the mascot for the University of Minnesota.&&&a&Internet&&&Wrong. It was named 'Gopher' after the mascot for the University of Minnesota.&0
|
||
|
|
it190.138&tf&0&N&The first graphical web browser, Microsoft's Internet Explorer, was introduced in 1993-94 and made the Internet more appealing to the general public.&FALSE&TRUE&The statement is false. The first graphical browser was Mosaic.&&&&Internet.0&&&&0
|
||
|
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it190.139&tf&0&N&Part of the reason why the web can function so well among different hardware architectures is because all the computers accessing it are basically using a common software base (e.g. HTML and TCP/IP) to interconnect.&TRUE&FALSE&The statement is true.In 1993, a new technology was introduced that changed everything. That technology was HTML (Hyper Text Markup Language) and the World Wide Web (WWW).&&&&Internet.0&&&&0
|
||
|
|
it190.140&mcs&0&N&FILL IN THE BLANKS: Web ____________ request web __________ which are delivered by web _____________.&browsers, pages, servers&servers, databases, browsers;objects, telephone lines, transmissions;servers, browsers, pages;&No. The best words to use to fill in the blanks are: 'browsers, pages, servers.'&&&a&Internet.0&&&&0
|
||
|
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it190.141&tf&0&N&A 'web site' is a collection of 'web pages' that are linked together and relate to the same topic.&TRUE&FALSE&This statement is correct.&&&&Internet.0&&&&0
|
||
|
|
it190.142&mcs&0&N&Which of the following items can be contained in a web page?&all of the others answers are correct&text and graphics;connections to other web sites;audio and video;&The correct answer is 'all of the others.' Web pages can contain a multitude of links, graphics, text and audio-visual effects.&&&a&Internet.0&&&&0
|
||
|
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it190.143&tf&0&N&When you arrive at a web site, the first page you come to is usually referred to as the 'home page.'&TRUE&FALSE&This is true.&&&&Internet.0&&&&0
|
||
|
|
it190.144&tf&0&&The two most popular web browsers today are <B><I>Mosaic</B></I> and <B><I>Netscape Navigator</B></I> .&FALSE&TRUE&Sorry. The two most popular web browsers today are Netscape's Navigator and Microsoft's Internet Explorer.&&&&Internet&&&Sorry. The two most popular web browsers today are Netscape's Navigator and Microsoft's Internet Explorer.&0
|
||
|
|
it190.145&mcs&0&N&Which one of the following statements is <I><U>not true</I></U> about web browsers?&A web browser runs in either native mode or batch mode depending on the device.&A web browser is software that is installed on a computer.;A web browser allows the user to view, use and transmit information across the Internet.;A web browser contains such things as bookmarking, e-mail systems and multimedia capabilities.;& The statement that is not true is 'A web browser runs in either native mode or batch mode depending on the device.'&&&a&Internet.0&&&&0
|
||
|
|
it190.146&tf&0&N&Every web site has its own 'address' on the Internet. This address is known as a Java resource identifier.&FALSE&TRUE&The statement is false. The address for a web page is its Uniform Resource Locator or URL.&&&&Internet.0&&&&0
|
||
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it190.147&mcs&0&N&<I><B>Fill in the blanks.</i></B> You can see where you are on the _____________ by looking at the _______________ field of your _______________.&web, location, browser&computer, number, browser;server, web, tool bar;Internet, TCP/IP, menu bar;&Sorry! The correct answer is 'web, location, browser.' By looking at the address (location) field of your browser you can see the web site's URL.&&&a&Internet.0&&&&0
|
||
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it190.148&tf&0&N&An IP address is four numbers separated by periods that helps locate a computer on the Internet.&TRUE&FALSE&This statement is true.&&&&Internet.0&&&&0
|
||
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it190.149&mcs&0&&The 'clickable' words and graphics on a web page that take you to other web pages or web sites are known as:&hypertext and hyperlinks&extensions and filenames;IP addresses and URL's;web portals and bookmarks;&Wrong! The correct answer is 'hypertext and hyperlinks.'&&&a&Internet&&&Wrong! The correct answer is 'hypertext and hyperlinks.'&0
|
||
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it190.150&tf&0&N&An index-based search engine scans the web and records data about web-page content.&TRUE&FALSE&This statement is true.&&&&Internet.0&&&&0
|
||
|
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it190.151&tf&0&N&Yahoo! is primarily a directory-based search engine useful for finding web sites on the Internet related to a specific topic.&FALSE&TRUE&Yahoo is an index-based search engine.&&&&Internet.0&&&&0
|
||
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it190.152&tf&0&N&HTTP is the system of codes used to create interactive pages for online viewing.&FALSE&TRUE&This statement is not true. HTML (HyperText Markup Language) is the simple programming language used to create interactive pages for viewing online. HTTP is the protocol.&&&&Internet.0&&&&0
|
||
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it190.153&mcs&0&&All of the following apply to HTML <B><U>except</B></U>:&HTML was created by software engineers at Microsoft.&HTML is a programming language used to create interactive pages for viewing online.;HTML uses 'tags' that are usually numbers and letters contained inside angle brackets.;HTML documents are plain text files that contain no graphics or media.;&Sorry. This is true. The false statement is 'HTML was created by software engineers at Microsoft.'&&&a&Internet&&&Sorry. This is true. The false statement is 'HTML was created by software engineers at Microsoft.'&0
|
||
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it190.154&mcs&0&&What does your web browser do when it encounters HTML tags?&It applies attributes to text displayed on screen while hiding the tags from view.&It puts content 'on the web.';It creates HTML tags in the document.;It creates a hyperlink to the web server.;&No, sorry! The correct answer is 'It applies attributes to text displayed on screen while hiding the tags from view.'&&&a&Internet&&&No, sorry! The correct answer is 'It applies attributes to text displayed on screen while hiding the tags from view.'&0
|
||
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it190.155&tf&0&N&GIFs and JPEGs are the preferred graphics formats for the web because they are both understood by most web browsers and they result in relatively small file sizes.&TRUE&FALSE&The statement is true.&&&&Internet.0&&&&0
|
||
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|
it190.156&tf&0&N&Animation on a web page is created by stacking several slightly different pictures on top of one another, then causing them to flip-just like a flip book that a cartoonist or a child may create.&TRUE&FALSE&This statement is true. That's how simple animation is created on a web page.&&&&Internet.0&&&&0
|
||
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it190.157&mcs&0&N&Which of the following statements BEST describes HTML?&HTML is an easy to learn programing language that uses a system of codes to create interactive pages for online viewing.&HTML code consists of tags and commands that are translated into viewable text and graphics by HTTP.;HTML is plain text that is translated into code by the server when the server is selected by your web browser.;HTML programming is both complicated and cumbersome and is typically only used by senior software engineers.;&The best summary of HTML is 'HTML is an easy to learn programing language that uses a system of codes to create interactive pages for online viewing.'&&&a&Internet.0&&&&0
|
||
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it190.158&tf&0&N&The Java programming language was originally developed by engineers for running consumer appliances and games. &TRUE&FALSE&This is true.&&&&Internet.0&&&&0
|
||
|
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it190.159&mcs&0&N&Which of the following is <B><I><U>not</B></I></U> a benefit of Java mini-programs, also known as applets?&Java applets are designed to open from a web page when the contacted web server converts HTML into the Java language.&Java applets can be understood and used by many different computer platforms.;Java applets can be simply integrated into web pages, and web browsers can be easily adapted to use them.;Java applets are small which makes them ideal for rapid transmission across the web.;&The statement that is not true is 'Java applets are designed to open from a web page when the contacted web server converts HTML into the Java language.'&&&a&Internet.0&&&&0
|
||
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it190.160&mcs&0&N&Microsoft came up with technology similar to Java called ActiveX. One disadvantage of ActiveX is:&It only works with the Microsoft Windows operating systems.&It needs a Java translator program in order to access most sites on the web.;It only works with Windows and UNIX operating systems.;It has to be used along side other applications already running.;&The disadvavtage of ActiveX is that it only works with the Microsoft Windows operating systems.&&&a&Internet.0&&&&0
|
||
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|
it190.161&tf&0&&Streaming is a method of compressing and sending audio or video data over the Internet and allowing it to play in a web browser or other application once it has been completely downloaded and saved to the computer's hard drive.&FALSE&TRUE&Sorry, the statement is false because streaming allows the browser to play the audio or video clip as it arrives from the web site.&&&&Internet&&&Sorry, the statement is false because streaming allows the browser to play the audio or video clip as it arrives from the web site.&0
|
||
|
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it190.162&mcs&0&&Which of the following statements BEST summarizes what XML (eXtensible Markup Language) was developed for?&XML was developed to bridge the gap between the simpler HTML and the more advanced SGML, allowing for more complex web documents.&XML was developed so Microsoft's ActiveX could be used on platforms other than the Windows operating system.;XML was developed so mainframe computers could access web pages created by people using PC's.;XML was developed to translate documents composed in HTML into DHTML to make for better viewing of web sites by the browser.;&No, the best summary statement is 'XML was developed to bridge the gap between the simpler HTML and the more advanced SGML, allowing for more complex web documents.'&&&a&Internet&&&No, the best summary statement is 'XML was developed to bridge the gap between the simpler HTML and the more advanced SGML, allowing for more complex web documents.'&0
|
||
|
|
it190.163&tf&0&N&In the context of the Internet, bandwidth commonly refers to the speed of your modem.&FALSE&TRUE&This statement is false. Bandwidth refers to the amount of data that can be transmitted across the copper wires or optical cable that are connected to the computer.&&&&Internet.0&&&&0
|
||
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it190.164&mcs&0&&<B><I> Fill in the blanks.</I> Due to the abundance of ________________________, ___________________ and ______________________, the telephone companies ran out of local telephone numbers.&fax machines, cell phones, computers&modems, web sites, cell phones;IP addresses, ISDN lines, modems;clients, servers, mainframes;&Wrong! The correct answer is 'fax machines, cell phones, computers.'&&&a&Internet&&&Wrong! The correct answer is 'fax machines, cell phones, computers.'&0
|
||
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it190.165&mcs&0&N&As the web grew during the 1990's, one limitation was that an IP address consisted of four sections separated by periods. This is also known as:&IPv4 with its 32-bit IP address space&IPv6 with its 128-bit IP address space;IPv8 with its 16-bit IP address space;The TCP/IP protocol suite;&The correct answer is 'IPv4 with its 32-bit IP address space.'&&&a&Internet.0&&&&0
|
||
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it190.166&tf&0&N&While traditional ISDN is used on copper phone lines, B-ISDN (Broadband-ISDN) is sent via satellite link&FALSE&TRUE&This statement is false because B-ISDN uses optical cable instead of copper lines.&&&&Internet.0&&&&0
|
||
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it190.167&tf&0&&One of the growing trends in Internet connectivity is the use of cable modems that allow for quicker response compared to traditional telephone lines. &TRUE&FALSE&This statement is true. Cable modems are quickly growing popular in areas where the service is provided.&&&&Internet&&&This statement is true. Cable modems are quickly growing popular in areas where the service is provided.&0
|
||
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it190.168&tf&0&N&When IPv6 was announced, a common concern frequently raised was that it would only last for a decade before it would run out of addresses.&FALSE&TRUE&Sorry. This statement is false. For all practical purposes, it provides a limitless number of addresses.&&&&Internet.0&&&&0
|
||
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it190.169&tf&0&&'e-business' can often be conducted with greater efficiency than traditional business.&TRUE&FALSE&This statement is true.&&&&Internet&&&This statement is true.&0
|
||
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it190.170&mcs&0&N&Which of the following is available through the Internet and e-commerce?&all of the above&online auctions;buying groceries;online banking through financial institutions;&The correct answer is 'all of the above.' Almost any business transaction can be handled over the Internet.&&&a&Internet.0&&&&0
|
||
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it190.171&tf&0&Y&Some analysts predict that during the next decade, 10% of the world's purchases will be done online.&TRUE&FALSE&This is true.&&&&Internet.0&&&&0
|
||
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it190.172&tf&0&N&Typically only large corporations can afford sell their products on the Internet. &FALSE&TRUE&Even small home-based businesses can effectively advertise and sell on the Internet.&&&&Internet.0&&&&0
|
||
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it190.173&mcs&0&Y&Which of the following statements reflects the most widely held view?&The Internet can be a very profitable, inexpensive and a highly visible marketplace.&e-commerce is probably a passing fad like the yo-yo and hula hoop.;e-commerce is good for comparison shopping but not for real purchases.;Internet commerce is limited to only a few categories of specialty shops. It's not practical for everyday business transactions.;&The correct answer is 'The Internet can be a very profitable, inexpensive and a highly visible marketplace.'&&&a&Internet.0&&&&0
|
||
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it190.174&tf&0&&Intranets use Internet technologies to replace complicated and expensive networking systems in an effort to enhance the communications systems for internal communications.&TRUE&FALSE&This is true!&&&&Internet&&&This is true!&0
|
||
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it190.175&mcs&0&N&Which of the following statements is <B><U>not</B></U> true about intranets?&Intranets are versatile for business-based operations and services, but the high cost of running an intranet is reserved for bigger businesses.&Traditional business tasks can be done faster and less expensively using an intranet, which also aids in enhancing worker productivity.;Intranets can exist on their own without being connected to the Internet.;An intranet uses web-browser technology for internal communications within a company.;&Sorry! The statement that is not true is 'Intranets are versatile for business based operations and services, but the high cost of running an intranet is reserved for bigger businesses.' Even smaller businesses can afford to have an intranet structure to network computers, peripherals and services.&&&a&Internet.0&&&&0
|
||
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it190.176&tf&0&N&Most business intranets are also linked to the Internet. Traffic between the two are screened by using security filters called 'cyber guards.'&FALSE&TRUE&The statement is false. The security filters used to screen the Internet are called 'firewalls.'&&&&Internet.0&&&&0
|
||
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it190.177&mcs&0&N&<I>Fill in the blanks. </I> Intranets allow businesses to provide information and services via web browser technology. A common use is to publish using the intranet, thereby cutting costs for ____________________, _________________, and ______________________.&printed memos/directories, news-releases, customer call centers&fax connections, telephone lines, office equipment;printed labels, CEO's, office supplies;pagers, printers, insurance;&The correct answer is 'printed memos, news-releases, customer call centers.'&&&a&Internet.0&&&&
|
||
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it190.178&mcs&0&Y&Which of the following is an advantage of using a mainframe as a web server?&all of the above&reliability;lower deployment costs;security;&The correct answer should be 'all of the above.'&&&a&Internet.0&&&&0
|
||
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it190.179&tf&0&Y&Wall Street financial firms only use Windows NT web server for allowing customers to obtain stock quotes and examine portfolios.&FALSE&TRUE&Merrill Lynch uses an Amdahl Corporation mainframe as a web server that allows its customers to obtain stock quotes, examine portfolios and observe other types of dynamic data.&&&&.0&Internet&&&0
|
||
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it190.180&tf&0&Y&The problem with using a smaller UNIX, Windows NT or other RISC computer with a mainframe system to conduct Internet business is the costs and headaches associated with converting data and constructing different tiers.&TRUE&FALSE&Businesses are finding out that using mainframes as web servers can actually save money.&&&&Internet.0&&&&0
|
||
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it190.181&tf&0&N&Some UNIX and NT advocates caution against using mainframes as web servers because the mainframe data is so close to the web site, possibly creating security exposures. Therefore, they recommend using intermediate RISC or Pentium servers to provide firewall protection.&TRUE&FALSE&This statement is true. Mainframe web-server advocates counter that mainframe computers are far more secure than smaller systems, suggesting that security risks aren't the same in the mainframe environment. &&&&Internet.0&&&&0
|
||
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it190.182&mcs&0&Y&Which of the following statements BEST summarizes the use of mainframes as web servers?&Mainframes make excellent web servers.&A mainframe makes a great multi-tier web server.;Mainframes would be great web servers if they could match the speed and reliability of UNIX and NT web servers.;Mainframes are not used as web servers.;&The best summary statement is 'Mainframes make excellent web servers.'&&&a&Internet.0&&&&0
|
||
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it190.183&mcs&0&Y&Which of the following is <i>not</i> something middleware can help with?&Makes patches to microcode install more easily.&Middleware helps share information between systems.;Existing applications need ways to seamlessly communicate with new and different applications.;Network programming is difficult and middleware removes some of the complexity.;&The correct answer is 'Makes patches to microcode install more easily'&&&a&Middleware.0&&&&0
|
||
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it190.184&tf&0&N&A heterogeneous computing environment uses different systems with different architectures to share data and to communicate across different platforms.&TRUE&FALSE&This statement is true.&&&&Middleware.0&&&&0
|
||
|
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it190.185&mcs&0&N&Which of the following is <B><U>not</B></U> a function of middleware?&Middleware is ERP software that connects the factory to the sales staff.&Middleware is software that is used to move information from one program to one or more programs.;Middleware is the plumbing for applications to exchange information, irrespective of the environment they are run in.;Middleware is software that isolates and protects an end-user application from the constantly changing technology.;&Wrong. This is a function of middleware. The false statement is 'Middleware is ERP software that connects the factory to the sales staff.'&&&a&Middleware.0&&&&0
|
||
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it190.186&mcs&0&N&Fill in the blanks. Products known as MOM's (message-oriented middleware) are __________________________&higher-level middleware&low-end middleware;&MOM's are higher level middleware software.&&&a&Middleware.0&&&&0
|
||
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it190.187&tf&0&N&Since middleware allows heterogeneous applications to communicate and pass information, middleware is sometimes referred to as the glue that ties applications together.&TRUE&FALSE&This is true. &&&&Middleware.0&&&&0
|
||
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it190.188&mcs&0&&If you are using RPC's (Remote procedure calls) or ORB's (Object request brokers), the encoding/decoding rules are defined by:&an interface definition language&self-describing messages;context bridging;naming services and concurrency services;&Wrong answer! The correct answer is 'an interface definition language.'&&&a&Middleware&&&Wrong answer! The correct answer is 'an interface definition language.'&0
|
||
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it190.189&tf&0&N&In the middleware arena, the ability to find and track resources and statistics are respectively called naming services and concurrency services.&TRUE&FALSE&This is true!&&&&Middleware.0&&&&0
|
||
|
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it190.190&mcs&0&N&In a distributed application, programs are sometimes unable to keep up with the flow of information, or they can be busy doing something else when information arrives. This can cause:&excessive system resource consumption&premature equipment failure;an asynchronous resource overflow;reconfiguration of an application resource ;&The correct answer is 'excessive system resource consumption.'&&&a&Middleware.0&&&&0
|
||
|
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it190.191&mcs&0&N&Which of the following are network protocols?&TCP/IP, IPX/SPX, DECnet and AppleTalk &ORB, CORBA, RMI and DCE;&TCP/IP, IPX/SPX, DECnet and AppleTalk are all network protocols offered by various vendors.&&&a&Middleware.0&&&&0
|
||
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it190.192&tf&0&N&There is only one version of RPC to use, which is Sun's ONC implementation.&FALSE&TRUE&There are several different versions of RPC to choose from, Sun's ONC being one.&&&&Middleware.0&&&&0
|
||
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it190.193&tf&0&N&For some types of middleware, especially middleware that depends on an interface definition language, it is very difficult to handle changes to the network.&TRUE&FALSE&This statement is true. All kinds of problems can occur when adding new network equipment such as routers, bridges and switches.&&&&Middleware.0&&&&0
|
||
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it190.194&mcs&0&N&Which of the following is <B><I><U>not</B></I></U> true about database middleware.&There are few trained RDBMS (Relational Database Management System) programmers and administrators working in the IT industry.&Database middleware implies synchronous, point-to-point communication.;Database middleware can be viewed as a data-centric architecture.;Database middleware is the most mature and popular of the different middleware approaches.;&The false statement is 'There are few trained RDBMS (Relational Database Management System) programmers and administrators working in the IT industry.' In fact there are many such programmers and administrators.&&&a&Middleware.0&&&&0
|
||
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it190.195&tf&0&&Gateways translate requests into the language of the target database.&TRUE&FALSE&Sorry, this is a true statement.&&&&Middleware&&&Sorry, this is a true statement.&0
|
||
|
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it190.196&mcs&0&N&In facilitating communications between programs, the database acts as a:¢ral repository for the information&translator from one program to the next;go-between mechanism for clients accessing data;buffer to slow down the transmission of information;&The correct answer is 'central repository for the information.'&&&a&Middleware.0&&&&0
|
||
|
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it190.197&tf&0&N&In many UNIX environments the database quickly becomes the choke point when many applications are trying to communicate.&TRUE&FALSE&This is true.&&&&Middleware.0&&&&0
|
||
|
|
it190.198&mcs&0&&Which of the following statements is <B><U>not</B></U> true regarding TP (Transaction Processing) monitors?&TP monitors are used for general purpose program-to-program communication.&TP monitors provide a complete environment for transaction applications, usually involving relational databases.;TP monitors provide application development tools, system administration and transaction execution.;TP monitors tend to be extensive, can become expensive and typically require a great deal of expertise to implement properly.;&Not this one! This statement is true. The false statement is 'TP monitors are used for general purpose program-to-program communication.' Typically, TP monitors are not used for general purpose program-to-program communication.&&&a&Middleware&&&Not this one! This statement is true. The false statement is 'TP monitors are used for general purpose program-to-program communication.' Typically, TP monitors are not used for general purpose program-to-program communication.&0
|
||
|
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it190.199&tf&0&N&TP monitors should be considered for use when there are transactions that need to be coordinated and synchronized over multiple databases.&TRUE&FALSE&This is true!&&&&Middleware.0&&&&0
|
||
|
|
it190.200&mcs&0&&Which of the following is IBM's premier Online Transaction Processing software/middleware?&CICS&TUXEDO;ACID;Viper;&Sorry, its called CICS.&&&a&Middleware&&&Sorry, its called CICS.&0
|
||
|
|
it190.201&mcs&0&Y&How important is CICS to IBM?&CICS is very important to IBM, especially in the area of mission critical e-business computing.&CICS is a popular IBM product, but it is being phased out by a newer and more effective TP monitor called BOSS.;&This is not the BEST answer!&&&a&Middleware.0&&&&0
|
||
|
|
it190.202&tf&0&N&Customers who opt to use CICS for e-business are limited to two different ways to web-enable a CICS transaction program.&FALSE&TRUE&There are at least four different ways to web-enable a CICS transaction program.&&&&Middleware.0&&&&0
|
||
|
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it190.203&mcs&0&N&Which of the following is <B><U>not</B></U> true about RPC's (Remote Procedure Calls)?&Due to its synchronous nature (request-wait for reply), RPC is a good choice to use as a building block for enterprise-wide applications where high performance and high reliabilty are needed.&RPC's work well for smaller, simple applications where all communication is one-to-one.;From a procedural programmer's point of view, RPC's are easy to understand.;RPC's do not scale well to large, mission-critical applications, because they leave many crucial details up to the programmer.;&The statement that is not true is 'RPC is a good choice to use as a building block for enterprise-wide applications where high performance and high reliabilty are needed.'&&&a&Middleware.0&&&&0
|
||
|
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it190.204&tf&0&N&Remote procedure calls are relatively new to the field of middleware software.&FALSE&TRUE&Remote procedure calls have been around for some time.&&&&Middleware.0&&&&0
|
||
|
|
it190.205&mcs&0&&Which of the following is a <U>true</U> statement about RPC's?&When using RPC's most of the details are taken care of and the programmer has little to worry about.&When using RPC's, very little communication code needs to be written because most of the code is generated from the IDL.;When using RPC's the application components communicate with each other asynchronously.;Over the years RPC standards have been refined and defined across many platforms.;&No, sorry. The correct answer is 'When using RPC's most of the details are taken care of and the programmer has little to worry about.'&&&a&Middleware&&&No, sorry. The correct answer is 'When using RPC's most of the details are taken care of and the programmer has little to worry about.'&0
|
||
|
|
it190.206&mcs&0&&Which of the following would RPC's be better suited for?&synchronous events&high-volume transactions;&No. OLTP systems would probably be a better choice than RPC for the high-volume stuff.&&&a&Middleware&&&No. OLTP systems would probably be a better choice than RPC for the high-volume stuff.&0
|
||
|
|
it190.207&mcs&0&N&Which of the following statements is <u>not</u> true about ORB's (Object Request Brokers)?&ORB methodology can not be extended to regard programs like traditional stand-alone applications or CICS transactions as objects.&ORB's are designed to be used in projects using a strict object-oriented approach, where all entities are objects.;When using an ORB, an IDL is used to define the interface between objects.;Like RPC, an ORB is generally synchronous and operates in a point-to-point manner.;&No, this statement is true. The false statement is 'ORB methodology can not be extended to regard programs like traditional stand-alone applications or CICS transactions as objects.'&&&a&Middleware.0&&&&0
|
||
|
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it190.208&tf&0&N&ORB's work best when the interfaces between objects are not changing frequently, causing the code to be recompiled and re-linked.&TRUE&FALSE&This is true!&&&&Middleware.0&&&&0
|
||
|
|
it190.209&mcs&0&N&Object-oriented programming is based on objects, which are:&self contained packages comprised of both code and data to be processed.&subroutines used to define interfaces to procedures.;communication links between systems.;messages and queues that send information across heterogeneous networks.;&The correct way to end the sentence would be 'self contained packages comprised of both code and data to be processed.'&&&a&Middleware.0&&&&0
|
||
|
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it190.210&tf&0&N&ORB's are very popular because their singular design standard makes them widely applicable.&FALSE&TRUE&There is no single standard for ORB's. In fact, there are two competing standards.&&&&Middleware.0&&&&0
|
||
|
|
it190.211&tf&0&N&In general, both CORBA and DCOM assume that application programs have a reliable communications layer, and therefore they do not address the difficult problems that may arise when this layer is not reliable.&TRUE&FALSE&This statement is true.&&&&Middleware.0&&&&0
|
||
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it190.212&mcs&0&&FILL IN THE BLANKS. Message-oriented middleware (MOM's), also called ______________, provides the most flexibility to the network developer, but at the expense of having _________________.&enterprise message technology (EMT), non-standard interfaces&message transfer protocol (MTP), large data files;remote method invocation (RMI), multiple programming languages;message driven technology (MDT), higher cost implementation;&No, sorry. The correct answers to fill in the blanks are 'enterprise message technology (EMT)' and 'non-standard interfaces.'&&&a&Middleware&&&No, sorry. The correct answers to fill in the blanks are 'enterprise message technology (EMT)' and 'non-standard interfaces.'&0
|
||
|
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it190.213&tf&0&N&With MOM, the information can be passed asynchronously, allowing clients and servers to function at their own required times and rates without being simultaneously active.&TRUE&FALSE&This is true.&&&&Middleware.0&&&&0
|
||
|
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it190.214&tf&0&N&Sending messages asynchronously causes program slow-down because they need to wait for a reply to messages sent. Also, operating asynchronously causes the system to respond more slowly to external events.&FALSE&TRUE&Actually, the exact opposite is true: Response time is quicker because there's no need to wait for replies, and they can respond faster to external event&&&&Middleware.0&&&&0
|
||
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it190.215&mcs&0&&All of the following are true about MOM's <B><U>except</B></U>:&Like ORB and RPC products, MOM assumes you have a reliable transport layer underneath that guarantees the message arrives safely.&MOM products usually cover more than just passing information; they also include services for translating data, security, error recovery, etc.;Two different types of message-oriented middleware have emerged: 'message passing' and 'message queuing.';In general, MOM products work by passing information in a message from one program to one or more other programs.;&No, this is true. The false statement is 'Like ORB and RPC products, MOM assumes you have a reliable transport layer underneath that guarantees the message arrives safely.' Actually MOM tries to address problems related to unreliable transport layers so it isn't a problem.&&&a&Middleware&&&No, this is true. The false statement is 'Like ORB and RPC products, MOM assumes you have a reliable transport layer underneath that guarantees the message arrives safely.' Actually MOM tries to address problems related to unreliable transport layers so it isn't a problem.&0
|
||
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it190.216&mcs&0&N&Which of the following is an increasingly popular type of message passing?&publish-subscribe&message balancing;&The correct answer is 'publish-subscribe.'&&&a&Middleware.0&&&&0
|
||
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it190.217&tf&0&N&Publish-subscribe middleware is most appropriate for highly-distributed applications where fault tolerance and high performance are important.&TRUE&FALSE&This statement is true.&&&&Middleware.0&&&&0
|
||
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it190.218&mcs&0&N&Which statement is <B><I><U>not</B></I></U> true about message queuing:&Message queuing tools are easy to set up, performance is generally above average and if access to a queue is lost the system is unharmed.&In message queuing, program-to-program communications occur via a queue, which is typically a file but can be memory based.;Message queuing allows programs to send and receive information without having a direct connection established between them.;Message queuing provides safe storage of information and is most appropriate where applications cannot be connected directly.;&The false statement is 'Message queuing tools are easy to set up, performance is generally above average and if access to a queue is lost the system is unharmed.' Actually, message queuing tools require quite a bit of configuration, performance can be poor and if access to a queue is lost, the entire system can be affected.&&&a&Middleware.0&&&&0
|