单项选择题
A.telinit -q
B.refresh -s inetd
C.startsrc -g services
D.refresh -s portmap
单项选择题 OnAIXsystems，whereDNSresolutiontakesprecedenceoverNIS，aparticularprocessneedstoresolvenamesusing/etc/hostsfirst.Whichofthefollowingprocessesisthebestwaytoaccomplishthiswithoutaffectingtherestofthesystem’snameresolution？（）
单项选择题 Whichcommandisusedtoturnipforwardingonoroff？（）
单项选择题 Userscomplaintheycannotcommunicatewithaserver.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly？（）