Which of the following WLM commands should be used to monitor performance on a system running wlm？（）

单项选择题Whichofthefollowingcommandsshouldbeusedtowatchsystemerrorsastheyarelogged？（）

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

单项选择题Whichfilesetincludesthecommandsvmstatandsar？（）

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

单项选择题Howarehardwareerrorsremovedfromanerrorreportthataremorethan30daysold？（）

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Whenasystemhasbothonlinetransactionprocessingaswellaslargebatchprocessing，whichofthefollowingcommonprocedureswillbesthelptoimprovesystemperformance？（）

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.

单项选择题DataistransferredbetweentwoserversusingNFS，whereoneserverisconfiguredwithtokenring，andtheothersystemisconfiguredwithethernet.Itisdiscoveredthattheperformanceisgreatlyreducedduringthistransfer.Whichofthefollowingstepsshouldbetakentoimproveperformance？（）

A. Reduce MTU on token ring system to match ethernet system using ifconfig command （i.e. ifconfig tr0 mtu 1500）
B. Reduce MTU on token ring system to match ethernet system using no command （i.e. no -o mtu=1500）
C. Increase MTU on ethernet system to match token ring system using ifconfig command （i.e. ifconfig en0 mtu 4096）
D. Increase MTU on ethernet system to match token ring system using no command （i.e. no -o mtu=4096）