2023年最新のLFCS問題集の無料PDFゲットせよ！最近更新された問題
LFCS認定試験問題集には260練習テスト問題
認定試験は、ユーザーとグループの管理、ネットワーキングの構成、ストレージデバイスの管理、システムの問題のトラブルシューティングなど、Linuxコマンドラインでさまざまなタスクを実行する候補者の能力を評価するように設計されています。 LFCS認定試験は、Linux管理スキルを検証し、潜在的な雇用主に専門知識を実証する優れた方法です。 Linux管理分野でのキャリアを前進させようとしている専門家に競争力を提供します。
質問 # 81
Whenremoving a package, which of the following dpkg options will completely remove the files including configuration files?
- A. --clean
- B. --purge
- C. --delete
- D. -remove
正解：B
質問 # 82
Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)
- A. search
- B. method
- C. nameserver
- D. substitute
- E. lookup
正解：A、C
質問 # 83
SIMULATION
What command displays all aliases defined in the current shell? (Specify the command without any path information)
正解：
解説：
alias -or- alias -p
質問 # 84
SIMULATION
Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)
正解：
解説：
up
質問 # 85
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. The cron daemon will refuse to start and report missing files in the system's logfile.
- B. When a user creates a user specific crontab the system administrator must approve it explicitly.
- C. Without additional configuration, no users may have user specific crontabs.
- D. Without additional configuration, all users may have user specific crontabs.
正解：C
質問 # 86
In compliance with the FHS, in which of the directories are man pages found?
- A. /usr/share/man
- B. /var/pkg/man
- C. /var/man
- D. /opt/man
- E. /usr/doc/
正解：A
質問 # 87
Which of the following find commands will print out a list of files owned by root and with the SUID bit set in / usr?
- A. find /usr -ls \*s\* -u root
- B. find /usr -suid -perm +4000
- C. find /usr -uid 0 -perm +4000
- D. find -user root +mode +s /usr
- E. find -type suid -username root -d /usr
正解：C
質問 # 88
Given a file called birthdays containing lines like:
YYYY-MM-DD Name
1983-06-02 Tim
1995-12-17 Sue
Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?
- A. grep 05?6? birthdays
- B. grep '[0-9]*-0[56]-' birthdays
- C. grep '[56]' birthdays
- D. grep 06 birthdays | grep 05
正解：B
質問 # 89
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
- A. Ethernet MAC address
- B. PCI bus speed
- C. Device IRQ settings
- D. Device vendor identification
- E. System battery type
正解：B、C、D
質問 # 90
Which configuration file would be edited to change the default options for outbound SSH sessions?
- A. /etc/ssh/ssh
- B. /etc/ssh/ssh_config
- C. /etc/ssh/sshd_config
- D. /etc/ssh/ssh_client
- E. /etc/ssh/client
正解：B
質問 # 91
Which of the following commands will print the last 10 lines of a text file to the standard output?
- A. cat -n 10 filename
- B. head -n 10 filename
- C. tail -n 10 filename
- D. dump -n 10 filename
正解：C
質問 # 92
When the command echo $ outputs 1, which of the following statements is true?
- A. It is the exit value of the command executed immediately before echo.
- B. It is the process ID of the current shell.
- C. It is the process ID of the echo command.
- D. It is the exit value of the echo command.
正解：A
質問 # 93
In the vi editor, which of the following commands will copy the current line into the vi buffer?
- A. c
- B. 1y
- C. yy
- D. cc
- E. 1c
正解：C
質問 # 94
SIMULATION
Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
正解：
解説：
/usr/bin/xwininfo -or- xwininfo
質問 # 95
What is the difference between the commands test -e path and test -f path?
- A. They are equivalent options with the same behaviour.
- B. Both options check the existence of the path. The -f option also confirms that it is a regular file.
- C. The -f option tests for a regular file. The -e option tests for an executable file.
- D. The -f option tests for a regular file. The -e option tests for an empty file.
正解：B
質問 # 96
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
- A. When using udev, it is not possible to create block or character devices in /dev/ using mknod.
- B. The /dev/ directory is a filesystem of type tmpfs andis mounted by udev during system startup.
- C. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
- D. Entries for all possible devices get created on boot even if those devicesare not connected.
- E. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
正解：B、E
質問 # 97
Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?
- A. 30 * * * 6 myscript
- B. 30 0-23 * * 0 myscript
- C. 30 0 * * 0 myscript
- D. 0 * * * 30 myscript
- E. 0 0-23 * * 30 myscript
正解：B
質問 # 98
Which of the following are syslog facilities? (Choose TWO correct answers.)
- A. postmaster
- B. remote
- C. mail
- D. local7
- E. advanced
正解：C、D
質問 # 99
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