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IBM(000-234) 问题列表
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 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 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 15 15:12 as -r-------- 1 root system 128 Sept 15 15:12 cred --w------- 1 root system 0 Sept 15 15:12 ctl dr-xr-xr-x 1 root system 0 Sept 15 15:12 lwp -r-------- 1 root system 0 Sept 15 15:12 map dr-x------ 1 root system 0 Sept 15 15:12 object -r--r--r-- 1 root system 448 Sept 15 15:12 psinfo -r-------- 1 root system 1024 Sept 15 15:12 sigact -r-------- 1 root system 1520 Sept 15 15:12 status -r--r--r-- 1 root system 0 Sept 15 15:12 sysent Writing to which of the following files will allow the owner to stop a process?()A
statusB
sysentC
ctlD
as
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Comprehensive Service Level Agreements typically do not address:()A
Roles responsibilitiesB
Headcount budgetsC
Reporting policiesD
Penalites
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 contention with OLTP.C
Schedule OS maintenance such that it includes frequent application of PTFs.D
Perform incremental backups of transaction processing and full backups of batch processing.
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Service Level Agreements (SLA) typically do not address()A
Network access and availabilityB
Application access and availabilityC
Escalation and conflict resolutionD
Headcounts and budgets
问题
单选题Which of the following commands should be used to obtain information about the installed software?()A
smit systemB
smit installpC
smit licensesD
smit list_software
问题
单选题Which of the following commands should be used to set network attributes on a currently running kernel?()A
noB
chdevC
vmtuneD
schedtune
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