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计算机考试 | CompTIA认证考试

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单选题 What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?()

A

 cut -d: -f 1,3 /etc/passwd

B

 chop -c 1,3 /etc/passwd

C

 tac 1-3/etc/passwd

D

 fmt -u /etc/passwd

单选题 What information is displayed by the command cat/proc/dma?()

A

 whether DMA is enabled

B

 which DMA channels are in use

C

 which DMA mode is in use

D

 general information about DMA on the machine

单选题 With Xorg 7.0, what is the name of the default font server?()

A

 xfserv

B

 xfs

C

 fonts

D

 xfstt

E

 fserv

多选题 What does the Filesystem Hierarchy Standard enable? ()

A

 software to predict the location of installed files and directories

B

 software to predict the ownership and access rights to files and directories

C

 users to predict the location of installed files and directories

D

 users to predict how the filesystem should be formatted according to need

单选题 You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true?()

A

 You need to rebuild the kernel.

B

 You need to upgrade the kernel

C

 You need to load the USB modules for your existing modular kernel.

D

 USB support is not available in Linux.

单选题 Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?()

A

 chmod 557 /bin/foo

B

 chmod o+rwx.a+rx/bin/foo

C

 chown 557 /bin/foo

D

 chmod 755/bin/foo

单选题 Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?()

A

 tr ’/r/n’  < userlist.txt > newlist.txt

B

 tr -c ’/n/r’  < newlist.txt > userlist.txt

C

 tr -d /r¯ < userlist.txt > newlist.txt

D

 tr /r¯/n¯ userlist.txt newlist.txt

E

 tr -s ®^M’¡®^J’ userlist.txt newlist.tx

单选题 In xorg.conf, which section is concerned with fonts?()

A

 the Fonts section

B

 the Files section

C

 the xfsCodes section

D

 the Graphics section

E

 the modeline section

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