单项选择题
A.tcpdump webserver
B.tcpdump host webserver
C.tcpdump -hostname webserver
D.tcpdump -print -h webserver
单项选择题 Apreviouslyfunctional，scheduledsnapshotoperationagainstaJFS2filesystemhasfailed.TheJFS2filesystemismountedandappearsintact.Whatisthemostlikelycauseofthefailureandhowshoulditberesolved？（）
单项选择题 AnadministratorissupportinganAIX6.1LPARremotelyandneedsatapeoperatortoplugacableintoanEthernetadapter.ThetapeoperatordoesnothavePOWER6595knowledge.Whatcantheadministratordotoassistthetapeoperatortolocatethecorrectadapter？（）
单项选择题 Whichcommandwilllistthetop5memoryintensiveprocesses？（）