单项选择题
Which of the following commands should be used to delete an entry from the /etc/inittab？（）
A.xitab B.rmitab C.chitab D.delitab
单项选择题 WhichactionenablesanadministratortomakeaVIOServerautomaticallyactivatewhenthephysicalmachineispoweredon？（）
单项选择题 Whatisthelikelycauseofasystemhangingatbootcode557（）
单项选择题 WhatistheminimumnumberofCECsrequiredtoavoidsinglepointsoffailureonaPower570server？（）
