IBM(000-234)单项选择题每日一练(2019.01.17)

单项选择题
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？（）
A. perfmon -h 30 -l 25
B. chdev
C. no -o
D. smit chgsys
单项选择题
Comprehensive Service Level Agreements typically do not address：（）
A. Roles & responsibilities
B. Headcount & budgets
C. Reporting policies
D. Penalites
单项选择题
Which of the following tools is used to report the location of logical partitions of a file system on a physical volume？（）
A. lsfs
B. iostat
C. lslv -p
D. lsvg -p
单项选择题
Which of the following commands can be used to watch system errors as they are logged？（）
A. smit errpt
B. smit errdemon
C. smit alog
D. smit syslogd
单项选择题
Which tool is based on the AIX trace facility？（）
A. no
B. netpmon
C. entstat
D. nfso