[更新されたのは2022年]Linux Foundation LFCS問題準備には無料サンプルのPDF [Q21-Q39]

[更新されたのは2022年]Linux Foundation LFCS問題準備には無料サンプルのPDF

2022年最新の認定サンプル問題LFCS問題集と練習試験合格させます

Linux Foundation LFCS 認定試験の出題範囲：

トピック	出題範囲
トピック 1	オンデマンドでファイルシステムをマウントするようにシステムを構成する 他のネットワークピアを使用して時刻を同期する
トピック 2	起動時に自動的に開始するようにネットワークサービスを構成します 永続的および非永続的なカーネルランタイムパラメータを変更します
トピック 3	スクリプトを使用してシステムメンテナンスタスクを自動化 リソースの整合性と可用性を確認する
トピック 4	起動時または起動中にファイルシステムをマウントするようにシステムを構成する 基本的な正規表現を使用してテキストを分析する
トピック 5	さまざまな動作モードでのシステムサービスの動作を照会および変更します 基本的なファイルシステムの機能とオプションを評価および比較します
トピック 6	暗号化されたストレージの作成と構成 仮想マシンの管理と構成
トピック 7	ネットワークとホスト名の解決を静的または動的に構成します システムを起動するか、異なる動作モードに変更します
トピック 8	ブートローダーのインストール、構成、トラブルシューティング 主要プロセスの整合性と可用性の検証

 

質問 21
Which approach will provide a listing of the contents in a tar archive?

• A. Use the grep command.
• B. Use the tar command with -t.
• C. Use the zless command.
• D. Use the find command.
• E. Use the zlist command.

正解: B

 

質問 22
SIMULATION
With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

正解:

解説:
64

 

質問 23
Which of the following are commonly used Mail Transfer Agent (MTA) applications? (Choose THREE correct answers.)

• A. Exim
• B. Procmail
• C. Sendmail
• D. SMTPd
• E. Postfix

正解: A,C,E

 

質問 24
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

• A. chmod 577 /bin/foo
• B. chmod o+rwx,a+rx /bin/foo
• C. chmod 775 /bin/foo
• D. chmod u=rwx,go=rx /bin/foo

正解: D

 

質問 25
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

• A. The password of the group.
• B. The list of users that belong to the group.
• C. The name of the group.
• D. The description of the group.
• E. The home directory of the group.

正解: A,B,C

 

質問 26
What is true regarding the command sendmail?

• A. All MTAs, including Postfix and Exim, provide a sendmail command.
• B. With any MTA, the sendmail command must be run periodically by the cron daemon.
• C. The sendmail command prints the MTAs queue history of which mails have been sent successfully.
• D. It is only available when the sendmail MTA is installed.

正解: A

 

質問 27
CORRECT TEXT
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)

正解:

解説:
/etc/cron.allow

 

質問 28
How can the existing environment variable FOOBAR be suppressed for the execution of the script./ myscript only?

• A. env -i FOOBAR./myscript
• B. set -a FOOBAR="";./myscript
• C. env -u FOOBAR./myscript
• D. unset -v FOOBAR;./myscript

正解: C

 

質問 29
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

• A. kill -KILL 123
• B. kill -PIPE 123
• C. kill -STOP 123
• D. kill -TERM 123

正解: D

 

質問 30
Which of the following commands can remove a user from a group?

• A. passwd
• B. grouprm
• C. groupmod
• D. usergroups
• E. usermod

正解: E

 

質問 31
CORRECT TEXT
What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)

正解:

解説:
xorg.conf

 

質問 32
After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem.
Which of the following describes the resulting situation?

• A. foo would be removed. bar would still exist but would be unusable.
• B. foo and bar would both be removed.
• C. The user is prompted whether bar should be removed, too.
• D. foo would be removed while bar would remain accessible.
• E. Both foo and bar would remain accessible.

正解: D

解説:
Explanation

 

質問 33
CORRECT TEXT
What two character sequence is present at the beginning of an interpreted script? (Please specify the TWO correct characters only)

正解:

解説:
#!

 

質問 34
Which of the following programs can be used to determine the routing path to a given destination?

• A. netstat
• B. traceroute
• C. dig
• D. route
• E. ping

正解: B

 

質問 35
What is the default action of the split command on an input file?

• A. It will break the file into new files of 1,024 kilobyte pieces each.
• B. It will break the file into new files of 1,024 byte pieces each.
• C. It will break the file into new files that are no more than 5% of the size of the original file.
• D. It will break the file into new files of 1,000 line pieces each.

正解: D

 

質問 36
Which configuration file would be edited to change default options for the OpenSSH server?

• A. /etc/ssh/sshd_config
• B. /etc/ssh/ssh_server
• C. /etc/ssh/ssh_config
• D. /etc/ssh/ssh
• E. /etc/ssh/server

正解: A

解説:
Explanation/Reference:

 

質問 37
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?

• A. chown dan:staff file.txt
• B. chown -u dan -g staff file.txt
• C. chown dan/staff file.txt
• D. chown dan -g staff file.txt

正解: A

 

質問 38
What is the maximum niceness value that a regular user can assign to a process with the nice command when executinga new process?

• A. 0
• B. 1
• C. 2
• D. 3

正解: D

 

質問 39
......

LFCS豪華セット学習ガイドにはオンライン試験エンジン：https://www.passtest.jp/Linux-Foundation/LFCS-shiken.html

LFCSテスト準備トレーニング練習試験問題練習テスト：https://drive.google.com/open?id=1ViEivtPZJGY6TeubcQFnR363VTwxHWi2