当前分类: IBM(000-234)
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...
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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Which tool is based on the AIX trace facility?()A noB netpmonC entstatD nfso...
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Data is transferred between two servers using NFS, where one server is configured with token ring, and the other system is configured with ethernet. It is discovered that the performance is greatly reduced during this transfer. Which of the following s...
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....
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In AIX 5L and later, the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem?()A It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.B It is a JFS moun...
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A System Administrator needs to determine if the system has the latest version of perfmgr and if the filesets copied to the /tmp directory are the latest. Which of the following command sequences would be required to accomplish this?()A lslpp -l perfm...
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Which of the following WLM commands should be used to monitor performance on a system running wlm?()A wlmcntrlB wlmstatC wlmcheckD wlmassign...
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Which of the following commands will only provide a snapshot of average memory usage for a process?()A vmtuneB ps auC iostatD rmss -m...
问题:单选题When trying to run topas on an AIX 4.3.x system, the system administrator gets the error message "ksh: topas: not found." Which of the following options is the most likely reason this occurred?()A The fileset bos.perf.tools is not loaded on this sy...