单项选择题
Which of the following commands should be used to identify packet sequence problems？（）
A. ping and arp
B. lsattr and ifconfig
C. netstat and iostat
D. iptrace and tcpdump
相关考题
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单项选择题
InAIX5Landlater，theoperatingsystemsupportsthe/procfilesystem.Whatwouldbethebestdescriptionofthe/procfilesystem？（）
A. It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
B. It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.
C. It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
D. It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system. -
单项选择题
Whichcommandseriesshouldbeusedtodeterminewhetherfilepagingorpagingspacepagingisaproblemwhenrunningaprogramfromanidlesystem？（）
A. foo ； lsps -s
B. tprof -kx ； foo
C. iostat ； foo ； iostat
D. vmstat -s ； foo ； vmstat s -
单项选择题
Asystemadministratorwouldliketoresetstatisticstoinitialvaluespriortocollectingdevicestatisticsonent0interface.Whichofthefollowingcommandsshouldberuntoaccomplishthis？（）
A. netstat -v ent0
B. chdev -l ent0 -a reset=true
C. entstat -r ent0
D. Ethernet interface values cannot be reset
