单项选择题

Ifasystemadministratorwantstoshowonlyadiskreportfordisk……

If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）

A. iostat disk1 1
B. iostat -d disk1 2
C. iostat disk2 1
D. iostat -d disk2 2

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热门试题

单项选择题Whichiostat%iowaitminimumthresholdindicatesapossibleI Obottleneck?（）

A.20%
B.40%
C.60%
D.80%

单项选择题Whichcommandrecordsthepathtakenbynetworkpacketsbetweenasourceanddestinationsystem?（）

A. traceroute
B. netstat -p
C. ping
D. netstat -rn

单项选择题Whichofthefollowingcommandsshouldbeusedtoobservethenumberofsystemcallspersecond?（）

A. sar
B. iostat
C. svmon
D. vmstat

单项选择题AllofthefollowingtypesofstatisticsarereportedbytheiostatcommandtoolEXCEPT:（）.

A. Free memory
B. CPU statistics
C. Disk statistics
D. Terminal statistics

单项选择题To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）

A. errpt -t
B. errpt -a
C. errpt -D
D. errpt