单选题
Comprehensive Service Level Agreements typically do not address：（）
Roles & responsibilities
Headcount & budgets
Reporting policies
Penalites
单选题
Which of the following commands can be used to review the system error logs？（）
errpt -a
errpt -l
errdemon -l
syslogd -r
单选题
Which of the following tools should be used to report in-depth information about file fragments？（）
defragfs
istat
filemon
fileplace
单选题
An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）
perfmon -h 30 -l 25
chdev
no -o
smit chgsys
单选题
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
tin
tout
% idle
% tm_act
单选题
Which of the following statements are FALSE concerning the defragfs command？（）
The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.
The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.
The defragfs command can improve file system performance by increasing the file system’s contiguous free space.
The defragfs command can only be run against file systems that are mounted with read-write permissions.
单选题
When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）
The number pages over the limit
The pages to paging space per second
The number of page operations per second
The number of processes waiting for page out
单选题
Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）
chdev
cfgmgr
vmtune
schedtune
单选题
A small company would like help in identifying an apparent system performance problem on its internal mail server， especially to determine peak hour usage. What would be the first step in identifying the problem？（）
cd /var/spool/cron/crontabs，uncomment the lines in the adm file， in order to start gathering statistics.
cd /var/spool/cron/crontabs； uncomment the lines in the sys file， in order to start gathering statistics.
cd /usr/lib/cron/； vi the adm file； startsrc -s sadc
cd /usr/lib/cron/； vi the sys file； startsrc -s sadc
单选题
Which fileset includes the commands vmstat and sar？（）
bos.perf
bos.acct
bos.adt.samples
perfagent.tools
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