101-350無料問題集「Lpi LPI Level 1 Exam 101, Junior Level Linux Certification, Part 1 of 2」

質問 1

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

（A）chmod 775 /bin/foo

（B）chmod u=rwx,go=rx /bin/foo

（C）chmod 577 /bin/foo

（D）chmod o+rwx,a+rx /bin/foo

正解：B 解答を投票する

質問 2

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 files in /mnt have been scanned and added to the locate database.

（C）Another file system still contains a symlink to a file inside /mnt.

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

（E）The kernel has not finished flushing disk writes to the mounted device.

正解：A 解答を投票する

質問 3

What does the ? symbol within regular expressions represent?

（A）Match the preceding qualifier zero or one times.

（B）Match the preceding qualifier one or more times.

（C）Match a literal ? character.

（D）Match the preceding qualifier zero or more times.

正解：A 解答を投票する

質問 4

Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

（A）3

（B）5

（C）1

（D）6

（E）0

正解：D、E 解答を投票する

質問 5

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

（A）touch /tmp/myfile.txt

（B）echo -n "Hello" >>/tmp/myfile.txt

（C）file /tmp/myfile.txt

（D）echo "Hello" >/tmp/myfile.txt

（E）sed -ie "s/1/2/" /tmp/myfile.txt

正解：C 解答を投票する

質問 6

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 shows all mounted file systems that have been automatically mounted.

（C）It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

（D）It opens an editor with root privileges and loads /etc/fstab for editing.

（E）It ensures that all file systems listed with the option auto in /etc/fstab are mounted.

正解：E 解答を投票する

質問 7

CORRECT TEXT
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)

正解：

HISTFILE

質問 8

You are experimenting with a binary in /tmp/foo.d that expects its configuration file at /etc/foo.conf. You don't want to save it there, but use a symbolic link to /tmp/foo.d/foo.conf instead. Which command would accomplish that?

（A）ln /etc/foo.conf /tmp/foo.d/foo.conf

（B）ln -s /tmp/foo.d/foo.conf /etc/foo.conf

（C）ln /tmp/foo.d/foo.conf /etc/foo.conf

（D）ln -s /etc/foo.conf /tmp/foo.d/foo.conf

正解：B 解答を投票する

質問 9

You want the default permissions for your files to be -rw-r-----. Which is the most useful setting for umask below?

（A）027

（B）037

（C）038

（D）640

正解：A 解答を投票する

質問 10

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

（A）chop -c 1,3 /etc/passwd

（B）fmt -u /etc/passwd

（C）tac 1-3 /etc/passwd

（D）cut -d: -f1,3 /etc/passwd

正解：D 解答を投票する

質問 11

Pressing the Ctrl-C combination on the keyboard while a command is executing in the
foreground sends which of following signal codes?

（A）2 (SIGINT)

（B）9 (SIGKILL)

（C）1 (SIGHUP)

（D）3 (SIGQUIT)

（E）15 (SIGTERM)

正解：A 解答を投票する

質問 12

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

質問 13

Which of the following shell redirections will write standard output and standard error output to a file named filename?

（A）>filename 2>&1

（B）1&2>filename

（C）1>&2>filename

（D）>>filename

（E）2>&1 >filename

正解：A 解答を投票する

質問 14

When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

（A）GnuPG signatures

（B）Timestamps

（C）MD5 checksums

（D）Inodes

（E）File sizes

正解：B、C、E 解答を投票する

質問 15

You are having some trouble with a disk partition and you need to do maintenance on this partition but your users home directories are on it and several are logged in. Which command would disconnect the users and allow you to safely execute maintenance tasks?

（A）halt 1

（B）runlevel 1

（C）init 1

（D）shutdown --maintenance now

（E）logout --all now

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 16

Which function key is used to start Safe Mode in Windows NT?

（A）F6

（B）F8

（C）Windows NT does not support Safe Mode

（D）F10

正解：C 解答を投票する

101-350 無料問題集「Lpi LPI Level 1 Exam 101, Junior Level Linux Certification, Part 1 of 2」

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