During which phase of the boot process is the rootvg volume group varied on and the root file system (hd4) checked?（）

单项选择题The system administrator is making system wide changes to a server, which will add to the PATH variable for the server environment. Where is the PATH variable found for the system?（）

A./profile
B./etc/envpath
C./etc/profile
D./etc/environment

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

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'

单项选择题An administrator needs to configure a server (192.168.22.22) as a temporary solution for an NTP master that has stopped working. What is the process for configuring the NTP master?（）

A.Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'fudge 127.127.1.0 stratum 0', and then refresh the daemon.
B.Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'master 127.127.1.0 stratum 0', and then refresh the daemon.
C.Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and add the line 'fudge 192.168.22.22 stratum 0', and then refresh the daemon.
D.Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and add the line 'master 192.168.22.22 stratum 0', and then refresh the daemon.

单项选择题An administrator wants to run topas as their own userid but gets the following error when trying. user1>$ topas topas. Unable to initialize Spmi interface Spmi. Error 13 opening file etc Spmi_shm_hook. Which of the following is the most likely cause of the error?（）

A.The /dev/kmem file must be at 777 permissions.
B.The administrator is using other shell than ksh.
C.The number of pipe handles at /etc/tunables is too low.
D.The topas command must be run with root at least once previously.