A support specialist started to apply an APAR on a system by inserting the tape into the tape drive， and loaded the fix using smitty installp. The following error message is displayed：
tape not in backup format  
Which of the following will resolve this problem？（）

单项选择题Auserhasusedalloftheallowedlogonattemptsfortheuserid.Whichcommandcanbeusedtoresettheunsuccessful_login_countto0forthatuser？（）

A.usrck
B.chsec
C.chuser
D.passwd

单项选择题WhichofthefollowingisthedefaultaccesscontrollistfilefortheResourceManagementandControl（RMC）subsystem？（）

A./var/rmc/ctrmc.acls
B./etc/ctrmc/rsct.acls
C./etc/security/rsct.acls
D./usr/sbin/rsct/cfg/ctrmc.acls

单项选择题Asystemadministratorissuedtheerrptcommandandhadnoresults.Thesystemadministratordeterminedthaterrorloggingwasturnedoff.Whichofthefollowingcommandsshouldbeusedtostartloggingsystemerrors？（）

A./usr/bin/errmsg
B./usr/lib/errdemon
C./usr/lib/errlogger
D./usr/bin/errinstall

单项选择题Asystemadministratorhasatwo-diskvolumegroup（testvg）withonelogicalvolume（testlv）whichhasjustbeenmirroredacrossbothdiskdrives.Whichofthefollowingcommandscanbeusedtoturnoffquorum？（）

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？（）

A.rm /dev/rmt0
B.rmdel -s rmt0
C.rmdev -dl rmt0
D.tctl -f /dev/rmt0 erase