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20 lines
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20 lines
4.5 KiB
id&qtp&qim&qil&qtx&qca&qia&qrm&qnxt&qprv&qalb&subj&wght&pts&flr&ded&layout&qfixed&qptsbyans&flags
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osbasic.001&mcs&0&Y&Which one of the following best describes the purpose of an operating system?&Managing hardware and providing services to applications&Sorting large files;Managing on-line application development;Managing the tape library;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.002&mcs&0&Y&Which of the following IBM eServers use IRQs, I/O addresses, and DMAs as a way for the operating system to connect with the processor?&xSeries and Netfinity servers&iSeries and AS/400 servers;zSeries and S/390 servers;pSeries and RS/6000 platforms;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.003&mcs&0&Y&Which of the following is a false statement?&Virtual memory reduces main memory requirements per program by no more than 5 percent.&Very positive and practical results have been achieved with virtual memory environments because the 80/20 rule has proven to be reliable.;Virtual memory implementations help programmers.;&This statement is false because virtual memory reduces main storage by much more that 5 percent. &&&a&undefined.0&&&&&1:v&&&N.
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osbasic.004&tf&0&Y&True or False? IBM eServer platforms are capable of handling concurrent transactions and providing sub-second response time, while running batch jobs to fill in any idle time.&TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.005&mcs&0&Y&Which one of the following did the material in this lesson suggest was a very popular and cost-effective security measure?&Passwords changed at regular intervals&Retina scanners;Card swipes;Security guards;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.006&mcs&0&Y&Your CIO says, "We have a lot of technology personnel who leave to pursue other opportunities. How can I be sure someone doesn't take some of our business files with them on their way out?" Click the best security rule to apply in this situation.&Restrict file access&Create an audit trail;Issue new user IDs once a month;Institute a multiple password system;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.007&mcs&0&Y&What kind of services does the operating system provide to coordinate shared resources and maintain the integrity of updated resources? &Serialization services&Timer services ;Locking services;Management services;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.008&tf&0&Y&True or False? The AIX kernel provides the ability to share resources simultaneously among many processes or threads and users.&TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.009&tf&0&Y&True or False? A computer's operating system workload can not be prioritized using preemptive multitasking. &TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.010&tf&0&Y&True or False? Virtual memory is used to optimize central storage.&TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.011&mcs&0&Y&Virtual memory operating systems can keep only how much of a typical program in main memory and still meet service level objectives for the program.&20%&30%;50%;10%;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.012&tf&0&Y&True or False? One advantage of virtual memory is that it degrades the overall performance of the operating system. &FALSE&TRUE&The degrading of the overall performance of the operating system is a disadvantage.&&&&undefined.0&&&&&1&&&N.
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osbasic.013&tf&0&Y&True or False? Additional memory can not do anything to help reduce or eliminate the effects of disk drag and its impact on overall system performance.&FALSE&TRUE&Additional memory can help reduce or eliminate the effects of disk drag and its impact on overall system performance&&&&undefined.0&&&&&1&&&N.
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osbasic.014&tf&0&Y&True or False? One benefit of virtual memory is that when a large portion of the system is present in virtual memory, ongoing upgrades of main memory or expanded storage capacity improve the overall performance?&TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.015&tf&0&Y&True or False? A subsystem makes the larger processing system operate slower and less efficiently.&FALSE&TRUE&The opposite is true, the subsystem makes the larger system operate more efficiently.&&&&undefined.0&&&&&1&&&N.
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osbasic.016&mcs&0&Y&What is the opposite of batch processing?&Transaction processing&Automatic processing;Management processing;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.017&tf&0&Y&True or False? Hackers pose almost no threat to zSeries and s/390&TRUE&FALSE&&&&&undefined.0&&&&&1&&&N.
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osbasic.018&mcs&0&Y&What is the most secure server?&zSeries&iSeries;UNIX;Windows;&&&&a&undefined.0&&&&&1:v&&&N.
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osbasic.019&mcs&0&Y&What is the most widely used security technique?&Passwords&Retina scanners;Tracking;&&&&a&undefined.0&&&&&1:v&&&N.
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