当前分类： IBM(000-234)
问题：单选题Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）A falls below minperm.B is between minperm and maxperm.C higher than maxperm.D lower than maxperm....
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问题：单选题Which of the following commands should be used to identify packet sequence problems？（）A ping and arpB lsattr and ifconfigC netstat and iostatD iptrace and tcpdump...
问题：单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A foo ； lsps -sB tprof -kx ； fooC iostat ； foo ； iostatD vmstat -s ； foo ； vmstat s...
问题：单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A filemonB istatC vmstatD iostat...
问题：单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A Not enough NFS daemons runningB Too many NFS daemons runningC nfs_tcp_socketsize is too smallD nfs_tcp_socketsize i...
问题：单选题A system must be evaluated and tuned. In order to use a set of performance evaluation programs （e.g.， filemon， svmon， and tprof） which of the following packages should exist on the system in question？（）A bos.adtB bos.perfC Java.adtD perfagent.tool...
问题：单选题Which of the following commands can be used to clean up a failed software installation process？（）A installp -DB installp -dC installp -CD installp -c...
问题：单选题Which of the following commands should be used to monitor the number of bytes read on any given disk？（）A tprofB topasC filemonD vmstat...
问题：单选题The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）A renice 100 {PID}B renice -n 20 {PID}C renice --20 {PID}D renice -n -100 {PID}...
问题：单选题A typical example of a process # 19082 in the /proc file would be： # ls -l /proc/19082 total 0 dr-xr-xr-x 1 root system 0 Sep 15 15：12 . dr-xr-xr-x 1 root system 0 Sept 15 15：12 .. -rw------- 1 root system 0 Sept...
问题：单选题Which of the following tools should be used to report in-depth information about file fragments？（）A defragfsB istatC filemonD fileplace...
问题：单选题Comprehensive Service Level Agreements typically do not address：（）A Roles responsibilitiesB Headcount budgetsC Reporting policiesD Penalites...
问题：单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A % idleB % sysC % userD % iowait...
问题：单选题A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）A smit chgsysB bosbootC smit dumpD bootlist -r...
问题：单选题The system administrator notices that after running netstat -rn， several small c’s are showing up under the flags columns， and routes that were not defined are also showing up. How can these cloned routes be stopped？（）A By default cloned routes are tu...
问题：单选题When a system has both online transaction processing as well as large batch processing， which of the following common procedures will best help to improve system performance？（）A Boost the priority of batch jobs.B Schedule batch runs to reduce content...
问题：单选题Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）A chdevB cfgmgrC vmtuneD schedtune...
问题：单选题While monitoring a system that is CPU bound， which of the following output is most likely to occur？（）A AB BC CD D...
问题：单选题Which of the following commands should be used to determine DNS name resolution performance？（）A iptraceB vmstatC hostnameD ifconfig...
