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1.Once the filemon command is invoked, which of the following procedures should be performed
to stop the command so that the filemon reports will still be generated?
A. Run "filemon -u".
B. Run "trcstop" command.
C. Perform a "kill -9" of the fliemon process.
D. Send a SIGSTOP signale to the filemon process.
我觉得答案应该是B.
2.Which of the following commands should be used to monitor the number of bytes read on any
given disk?
A. tprof B. iostat C. svmon D. vmstat
我认为答案是B
3.It has been determined that print jobs from an application are not being removed from the
system after they have been printed. To remove these jobs from the /var/spool directory, which
cron entry will remove files more than 7 days old?
A. find /var/spool/lpd/qdir -mtime - 7type f -exec rm -f{}\;
B. find -name/var/spool/* exec rm {}\;
C. find -name/var/spool/lpd/* -exec rm {}\;
D. find /var/spool/lpd/qdir -mtime +7type f -exec rm -f{}\;
看不懂答案。
4.Which of the following conclusions is most appropriate to draw to describe why du shows fewer
blocks used than df?
A.The df command only counts the number of disk blocks and superblocks.
B.The df command ignores space used for inodes, gnodes, and vnodes.
C.The du command does not take into account filesystem metadata.
D.The du command counts indirect blocks and superblocks in its calculations.
我认为答案是C.
5.During a boot, which of the following procedures is most likely to present a menu that
prompts the user to copy a dump?
A. Set the dump device to /dev/hd6.
B. Run sysdumpdev to set the force copy flag for dump to true.
C. Run sysdumpdev to set the force copy flag for dump to false.
D. Increase spece in the /tmp directory.
我认为答案是B.
6.Which of the following statements is TRUE about the primary system dump device?
A. it is shared.
B. It must be /dev/hd6.
C. It must be an internal disk
D. It can be an external device.
我认为答案是C.
7.All of the following classes of errors are logged in the error report EXCEPT:
A. Messages B. Software C. Hardware D. Unknown
我认为是A，不知可否。
8.Which scheduling policy does schedtue -t effect?
A. SCHED_OTHER B. SCHED_FIFO
C. SCHED_RR D. SCHED_FIFO2
答案的几个参数我都没有见过。
9.A patch has been applied to the operating system. After rebooting, the system is hung.
Which of the following commands should have been performed to prevent the system from
hanging?
A. lppchk, bosboot
B. lslpp-l, oslevel
C. installp -C, lppchk
D. bosboot, synchlvodm
我考虑是C.。
10. All of the following are contained in a system dump except:
A. The entire contents of memory
B. The history of kernel function calls
C. The process/thread that was active
D. The final history of error log events leading up to the system crash
书上的答案是A,但是我认为是C. |
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发表于 2006-04-07 09:32
