单项选择题

AsystemadministratorhasamksysbontapeofanAIX5.2machinean……

A system administrator has a mksysb on tape of an AIX 5.2 machine and needs to install it on a different server. How can this be accomplished？（）

A.Install the base AIX from 5.2 media and then install the mksysb overtop.
B.Mount the tape and use the tar command to install AIX and the rest of the contents of the rootvg.
C.Insert the mksysb tape and a 5.2 base media CD and then boot to maintenance mode and initiate the install.
D.Install AIX 5.2 from base media and then perform an update_all install from the mksysb tape of the original machine.

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A.sendmail -bi
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单项选择题WhichcommandrestartstheTCP IPsubsystem？（）

A.refresh -s inetd
B.refresh -s tcpip
C.refresh -g /etc/rc.tcpip
D.refresh -g /etc/inetd.conf

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A.crontab -l
B.cron -l root
C.lscron -l root
D.cat /var/cron/crontabs/root

单项选择题Whichcronentrywillrun usr local bin myscriptat0500everySaturdayofthefollowing？（）

A.0 5 * * 6 /usr/local/bin/myscript
B.0 5 6 * * /usr/local/bin/myscript
C.6 * * 5 0 /usr/local/bin/myscript
D.5 0 Sat * * /usr/local/bin/myscript

单项选择题Asystemadministratorwantstorunascriptcalledmyscript，butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished？（）

A./usr/local/bin/myscript > /dev/null
B./usr/local/bin/myscript < /dev/null
C./usr/local/bin/myscript 2> /dev/null
D./usr/local/bin/myscript 1> /dev/null