單項(xiàng)選擇題

Using the schedtune output, memory is considered over-committed if:()

A. more than one process is spinning.
B. more than 4 processes become active.
C. the system schedules more than 16 processes.
D. the pageouts divided by page steals is greater than 1/h.


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2.單項(xiàng)選擇題Which of the following commands should be used to watch system errors as they are logged?()

A. errpt -c
B. tail -f /var/adm/ras/errlog
C. syslogd -d
D. /usr/lib/errdemon -s 8192

3.單項(xiàng)選擇題Which fileset includes the commands vmstat and sar?()

A. bos.perf
B. bos.acct
C. bos.adt.samples
D. perfagent.tools

4.單項(xiàng)選擇題How are hardware errors removed from an error report that are more than 30 days old?()

A. /usr/bin/errpt -d H 30
B. /usr/sbin/errclear - J H 30
C. /usr/bin/errclear -d H 30
D. /usr/sbin/errclear -j H 30

5.單項(xiàng)選擇題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.

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