117-101無料問題集「Lpi Level 1 Exam 101(with rpm)」

質問 1

Which command will print line numbers before each line in a file?

（A）ln

（B）nl

（C）numline

（D）cat -n

正解：B 解答を投票する

質問 2

CORRECT TEXT
You have a text file with tab-separated values, but your application needs them space-separated. What command would you use from the Bash shell to achieve this? Please fill in the command only, without any options.

正解：

The expand command is used to convert from tab to space. Example: expand -t 2 test a. It will convert the tab into two spaces.

質問 3

What command will uninstall a package but leave its configuration files in case a package is re-installed?

（A）none, no command will do this

（B）dpkg -s pkgname

（C）dpkg -L pkgname

（D）dpkg -P pkgname

（E）dpkg -r pkgname

正解：E 解答を投票する

質問 4

After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy. What is a common reason for this message?

（A）A user has a file open in the /mnt directory.

（B）The kernel has not finished flushing disk writes to themounted device.

（C）The files in /mnt have been scanned and added to the locate database.

（D）The kernel thinks that a process is about to open a file in /mnt for reading.

（E）The previous rm command has not finished.

正解：A 解答を投票する

質問 5

What command will display all of the background tasks running in the current shell?

（A）jobs

（B）kill -l

（C）list

（D）history

正解：A 解答を投票する

質問 6

The system is having trouble and the engineer wants to bypass the usual /sbin/init startup and run /bin/sh. What is the usual way to pass this change to the kernel from your 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/shon the kernel parameter line

（D）Start in runlevel 1

正解：A 解答を投票する

質問 7

What key combination is used to forcibly halt the X server in the event of the graphical session becoming unusable (e.g., desktop manager or full screen application hanging)?

（A）press CTRL+ALT+DEL

（B）press CTRL+ALT+F1 then run

（C）press CTRL+ALT+DEL twice

（D）press CTRL+ALT+BACK_SPACE

正解：D 解答を投票する

質問 8

To ensure that a running process continues to execute after you log out, the process should be started with what command?

（A）sh

（B）saferun

（C）live

（D）nohup

正解：D 解答を投票する

質問 9

Which of the following Linux filesystems pre-allocates a fixed number of inodes at the filesystem's make/creation time, and does NOT generate them as needed?

（A）ext3

（B）reiserfs

（C）xfs

（D）jfs

正解：A 解答を投票する

質問 10

Select the line that best represents what permissions the /etc/passwd file should have

（A）all answers listed are not correct

（B）-rw------- 1 root root 531 Apr 3 12:36 /etc/passwd

（C）-rw-r--r-- 1 root root 531 Apr 312:36 /etc/passwd

（D）-rw-r--r-- 1 1 1 531 Apr 3 12:36 /etc/passwd

（E）all answers listed are correct

正解：C 解答を投票する

質問 11

What does the command mount -a do?

（A）It opens /etc/fstab to edit.

（B）It mounts the floppy disk for all users.

（C）It mounts all file systems listed in /etc/fstab.

（D）It shows all mounted file systems.

正解：C 解答を投票する

質問 12

You wish to kill a process with a PID of 123. Select the command which will allow the process to "clean up" before exiting.

（A）kill -9 123

（B）kill -15 123

（C）kill -1 123

（D）kill -17 123

正解：B 解答を投票する

質問 13

CORRECT TEXT
In the vi editor, which of the following commands will delete the current line at the cursor and the 16 lines following it (17 lines total)?

正解：

17dd

質問 14

CORRECT TEXT
Which file the /proc filesystem lists parameters passed from the bootloader to the kernel?

正解：

cmdline
/proc/cmdline

質問 15

What is the process ID number of the init program?

（A）1

（B）It is set to the current run level.

（C）It is different with each reboot.

（D）-1

（E）0

正解：A 解答を投票する

117-101 無料問題集「Lpi Level 1 Exam 101(with rpm)」

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