Lpi 101-400 問題集

質問 1：
Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)
A. telinit 1
B. shutdown -single now
C. init 1
D. shutdown -R 1 now
E. runlevel 1
正解：A,C

質問 2：
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 issuing a command such as :set repetition=4 which repeats every
subsequentcommand 4 times.
D. By using the command :repeat followed by the number and the command.
正解：A

質問 3：
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
A. telinit 6
B. shutdown -k now "rebooting"
C. shutdown -r now
D. telinit 0
E. shutdown -r "rebooting"
正解：A,C

質問 4：
CORRECT TEXT
Which command is used to create and initialize the files used to store quota information?
(Specify ONLY the command without any path or parameters.)
正解：
quotacheck

質問 5：
Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground sends which of the following signal codes?
A. 15(SIGTERM)
B. 3(SIGQUIT)
C. 1(SIGHUP)
D. 2(SIGINT)
E. 9(SIGKILL)
正解：D

質問 6：
When planning a partition scheme, which of the following directories could be considered for separate partitions? (Choose three.)
A. /var
B. /opt
C. /lib
D. /etc
E. /home
正解：E

質問 7：
Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?
A. cut -d : -f 1,4 /etc/passwd
B. fmt -f 1,4 /etc/passwd
C. paste -f 1,4 /etc/passwd
D. split -c 1,4 /etc/passwd
正解：A