单项选择题

The ping loopback hangs with no output. Which of the following is the most likely cause？（）

A.The loopback interface is down and resolv.conf is configured.
B.The loopback is not in /etc/hosts and resolv.conf is configured.
C.The loopback interface is down and resolv.conf is not configured.
D.The loopback is not in /etc/hosts and resolv.conf is not configured.

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热门试题

单项选择题Whatisthecorrectmethodfordeleting‘paging04’pagingspace？（）

A.swapoff paging04 rmps paging04
B.swapoff /dev/paging04 rmps paging04
C.swapoff paging04 rmps /dev/paging04
D.swapoff /dev/paging04 rmps /dev/paging04

单项选择题A system has two configured fibre channel cards， one of which， fsc0， has failed and must be replaced. Which command should an administrator use to remove the card device and attached child devices？（）

A.rmdev -Rdl fcs0
B.rmdev -cdl fcs0
C.rmdev -cdl fscsi0
D.rmdev -Rdl fscsi0

单项选择题After mirroring rootvg， a system administrator wants to validate that the system will boot correctly. Which of the following tasks must be performed before changing the boot order？（）

A.Run a bosboot -a command
B.Mirror the hd5 on the two disks
C.Set up another service mode bootlist
D.Check the disks using a lsvg -p rootvg command

单项选择题Theadministratorcreatedanentryintheinittabforrunlevel2.Thesystemwasalreadybootedinnormalmode.Whichwillstartthenewlycreatedentry？（）

A.init 1
B./etc/rc
C.telinit q
D./etc/rc.d/rc2.d

单项选择题ThesystemhangsatboottimeafterstartingNFSservices.Whatisthemostlikelycause？（）

A.The action parameter of rcnfs in /etc/inittab is ’off’ and the script called is not exiting.
B.The action parameter of rcnfs in /etc/inittab is ’wait’ and the script called is not exiting.
C.The action parameter of rcnfs in /etc/inittab is ’once’ and the script called is not exiting.
D.The action parameter of rcnfs in /etc/inittab is ’respawn’ and the script called is not exiting.