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單項選擇題

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

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單項選擇題

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

單項選擇題

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

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