LFCS 무료 덤프문제 온라인 액세스

In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

• A.By specifying the number right in front of a command such as 4l or 2yj.
• B.By selecting all affected lines using the shift and cursor keys before applying the command.
• C.By using the command :repeat followed by the number and the command.
• D.By issuing acommand such as :set repetition=4 which repeats every subsequent command 4 times.

Which of the following commands shows the current color depth of the X Server?

• A.xwininfo
• B.xcolordepth
• C.xcd
• D.xcdepth
• E.cat /etc/X11

What does the command mount -a do?

• A.It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.
• B.It opens an editor with root privileges and loads /etc/fstab for editing.
• C.It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
• D.It shows all mounted file systems that have been automatically mounted.
• E.It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

CORRECT TEXT
What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

• A.route del default
• B.ifconfig unset default
• C.ip route del default
• D.sysctl ipv4.default_gw=0
• E.netstat -r default