单项选择题
How can the administrator use file ’a’ containing ’-El sys0’ to view the attributes of a device()?
A.lsdev -fv a B.lsattr -f a C.lsattr`cat a` D.lsdev -Cccat a
单项选择题 Whichsystemprovidesredundantsystemclocks?()
单项选择题 Duringanattemptto’scp’betweentwohosts,anerrorindicatingPRNGisnotseededisdisplayed.Whatisthelikelycauseoftheerror?()
单项选择题 Whatmustanadministratordotopreventnewtelnetusersfromconnectingtothesystem?()