单项选择题
	A.Set the NSORDER environmental variable of the environment which invokes the process to:NSORDER="local,nis,bind"
	B.Set the NSORDER environmental variable of the environment which invokes the process to:  NSORDER="hosts=auth,nis,bind"
	C.Edit /etc/netsvc.conf to add a line similar to the following: process /full/path/of/process {hosts=local,nis,dns}
	D.Unset NSORDER environment variable of the environment which invokes the process
单项选择题 Whichcommandisusedtoturnipforwardingonoroff?()
单项选择题 Userscomplaintheycannotcommunicatewithaserver.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly?()
单项选择题 WhatisthecorrectfastpathtoconfigureoraddaTTYTerminal(directlyfromthescreen),whichconnectstoaserialport?()