单项选择题

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

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单项选择题

Which fileset includes the commands vmstat and sar？（）

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

单项选择题

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

单项选择题

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.