单项选择题
A.Missing blv
B.Network problem
C.Wrong boot table
D.Corrupted file system
单项选择题 Anadministratorismovingavolumegroupfromoneservertoanother.Thediskswillbephysicallymovedbetweenthetwosystems.Whichtwooperationsarerequiredonthevolumegrouppriortothephysicaldiskswitch？（）
单项选择题 Anadministratorlearnsthatusersareunabletologintoaserverviassh.Aftermakingatelnetconnectiontotheserver，howcantheadministratorcheckthestatusofthesshdsubsystem？（）
单项选择题 AserverisexperiencingperformanceissuesandtheSANcouldbeapotentialbottleneck.Whichcommandwillshowthequeuedepthofhdisk1？（）