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
单项选择题 Whichofthefollowingcommandswillremovethehardwaredefinitionofthetapedrivermt0fromasystem?()
单项选择题 Asystemadministratordidnotreceivearesponsewhileattemptingtopingloopback.Whichofthefollowingwouldmostlikelyresolvethisproblem?()
单项选择题 The/etc/inittabfileiscomposedofposition-dependententries.Whatisthesecondfieldofan/etc/inittabfileentry?()