单项选择题
A./profile B./etc/envpath C./etc/profile D./etc/environment
Duringsystemboot，rootvgfailstovaryon，causinganLEDcodeof...
单项选择题During system boot， rootvg fails to vary on， causing an LED code of 0552. What is the most likely cause for rootvg not varying on？（）
A.Missing blv B.Network problem C.Wrong boot table D.Corrupted file system
Anadministratorismovingavolumegroupfromoneservertoanoth...
单项选择题An administrator is moving a volume group from one server to another. The disks will be physically moved between the two systems. Which two operations are required on the volume group prior to the physical disk switch？（）
A.’varyoffvg’ and ’exportvg’ B.’varyofflv’ and ’importvg’ C.’varyofflv’ and ’migratepv’ D.’varyoffvg’ and ’migratevg’
Anadministratorlearnsthatusersareunabletologintoaserver...
单项选择题An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server， how can the administrator check the status of the sshd subsystem？（）
A.lssys -a com B.lssys -a sshd C.lssrc -s sshd D.lssrc -s tcpip
