CompTIA LX0-101 問題集

質問 1：
The system is having trouble and the engineer wants to bypass the usual /sbin/init start up and run /bin/sh. Which of the following is the usual way to pass this change to the kernel from the boot loader?
A. Pass init=/bin/sh on the kernel parameter line.
B. Pass start=/bin/sh on the kernel parameter line.
C. Pass /bin/sh on the kernel parameter line.
D. Start in runlevel 1.
正解：A

質問 2：
CORRECT TEXT
The priority of any process can range from -20 to ________. (Provide only the numerical value).
正解：
+19,19

質問 3：
An administrator is trying to make a hard link to an ordinary file but ln returns an error. Which of the following could cause this?
A. The source and the target are on different filesystems.
B. The source file is hidden.
C. The administrator does not own the source file.
D. The source file is read-only.
E. The source file is a shell script.
正解：A

質問 4：
Which of the following does the command mount -a do?
A. It opens /etc/fstab to edit.
B. It shows all mounted file systems.
C. It mounts all file systems listed in /etc/fstab.
D. It mounts the floppy disk for all users.
正解：C

質問 5：
An administrator wishes to kill a process with a PID of 123. Which of the following commands will allow the process to "clean up" before exiting?
A. kill -15 123
B. kill -9 123
C. kill -1 123
D. kill -17 123
正解：A

質問 6：
The lspci command can display information about devices EXCEPT:
A. card IRQ settings.
B. card Ethernet MAC address.
C. card bus speed (e.g. 66Mhz).
D. card AGP rate (e.g. 1x, 2x, 4x).
E. card vendor identification.
正解：B

質問 7：
While editing a file in vi, an administrator realizes that the wrong file is being changed. Which of the following vi command sequences will allow the administrator to quit without saving any changes?
A. :wq!
B. :q!
C. :Q!
D. :w!
正解：B

質問 8：
Which of the following commands will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?
A. /bin/grep -v #$ foobar
B. /bin/grep #$ foobar
C. /bin/grep ^# foobar
D. /bin/grep -v ^# foobar
正解：D

質問 9：
Which of the following directories contains additional information about installed packages?
A. /usr/share/doc
B. /usr/local/share/documentation
C. /usr/local/doc
D. /usr/packages/doc
E. /usr/share/documentation
正解：A