单项选择题
A.chvg -Qn testvg B.chlv -Qn testlv C.varyoffvg testvg； varyonvg -Qn testvg D.varyoffvg testvg； exportvg testvg； importvg -Qn testvg； varyonvg testvg
Whichofthefollowingcommandswillremovethehardwaredefinit...
单项选择题Which of the following commands will remove the hardware definition of the tape drive rmt0 from a system？（）
A.rm /dev/rmt0 B.rmdel -s rmt0 C.rmdev -dl rmt0 D.tctl -f /dev/rmt0 erase
Asystemadministratordidnotreceivearesponsewhileattempti...
单项选择题A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）
A.Issue startsrc -s loopback B.Issue startsrc -g tcpip C.Issue rc.tcpip D.Reconnect the network cable
The/etc/inittabfileiscomposedofposition-dependententrie...
单项选择题The /etc/inittab file is composed of position-dependent entries. What is the second field of an /etc/inittab file entry？（）
A.Label B.Action C.Command D.RunLevel
