LFCS認定ガイドPDFは100%カバー率でリアル試験問題が使える [Q49-Q69]

LFCS認定ガイドPDFは100%カバー率でリアル試験問題が使える

合格させるLFCS試験にはリアル問題解答

LFCS認定試験の背後にある組織であるLinux Foundationは、Linuxおよびオープンソースソフトウェアを促進および前進させることを目的とする非営利組織です。 Linux Foundationは、LFCS認定試験を含むさまざまな認定プログラムを提供し、ITの専門家がLinuxおよびオープンソーステクノロジーのスキルと知識を検証するのを支援しています。認定プログラムはIT業界で非常に尊敬されており、世界中のトップ企業や組織によって認められています。

 

質問 # 49
What is the default nice level when a process is started using the nice command?

• A. 0
• B. 1
• C. 2
• D. 3

正解：D

質問 # 50
What is the purpose of a screen reader?

• A. It reads text displayed on the screen to blind or visually impaired people.
• B. It displays lines and markers to help people use speed reading techniques.
• C. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
• D. It manages and displays files that contain e-books.

正解：A

質問 # 51
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)

• A. /sbin/mkfs -t ext3 /dev/sdb1
• B. /sbin/mke3fs -j/dev/sdb1
• C. /sbin/mkfs -c ext3 /dev/sdb1
• D. /sbin/mke2fs -j /dev/sdb1

正解：A、D

質問 # 52
Which of the following commands can be used to limit the amount of memory a user may use?

• A. umask
• B. passwd
• C. usermod
• D. ulimit
• E. chage

正解：D

質問 # 53
SIMULATION
On a Linux system with shadow passwords enabled, which file in the file system contains the password hashes of all local users? (Specify the full name of the file, including path.)

正解：

解説：
/etc/shadow

質問 # 54
CORRECT TEXT
The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

正解：

解説：
/usr/share/zoneinfo/

質問 # 55
Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?

• A. 0017
• B. 0640
• C. 0027
• D. 0038

正解：C

質問 # 56
Which of the following settingsfor umask ensures that new files have the default permissions -rw-r----- ?

• A. 0017
• B. 0640
• C. 0027
• D. 0038

正解：C

質問 # 57
Which RPM command will output the name of the package which supplied the file /etc/exports?

• A. rpm -Kl /etc/exports
• B. rpm -qi /etc/exports
• C. rpm -F /etc/exports
• D. rpm -qp /etc/exports
• E. rpm -qf /etc/exports

正解：E

質問 # 58
Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?

• A. File size
• B. Inode number
• C. Permissions
• D. Link count
• E. Modify timestamp

正解：D

質問 # 59
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

• A. ifconfig unset default
• B. netstat -r default
• C. sysctl ipv4.default_gw=0
• D. route del default
• E. ip route del default

正解：D、E

質問 # 60
Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)

• A. esc zz
• B. esc ZZ
• C. ctrl XX
• D. esc :wq!
• E. ctrl :w!

正解：B、D

質問 # 61
CORRECT TEXT
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 # 62
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

• A. myapp | cat > file1.log
• B. cat < myapp | cat > file1.log
• C. myapp 0>&1 | cat > file1.log
• D. myapp | tee file1.log
• E. tee myapp file1.log

正解：D

質問 # 63
Which RPM command will output the name of the package which supplied the file /etc/exports?

• A. rpm -Kl /etc/exports
• B. rpm -qi /etc/exports
• C. rpm -F /etc/exports
• D. rpm -qp /etc/exports
• E. rpm -qf /etc/exports

正解：E

質問 # 64
What command will generate a list of user names from /etc/passwd along with their login shell?

• A. chop -c 1,7 /etc/passwd
• B. colrm 1,7 /etc/passwd
• C. cut -d: -f1,7 /etc/passwd
• D. column -s : 1,7 /etc/passwd

正解：C

質問 # 65
What is true regarding a default route?

• A. Without a default route, no network communication even in directly attached networks is possible.
• B. When a default route is set, all other routes are disabled until the default route is deleted.
• C. The default route is only used if there is not a more specific route to a destination host or network.
• D. The default route is always used first. When the default route is not available more specific routes are tried.

正解：C

質問 # 66
The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?

• A. It is placed in curly brackets as in Section SectionName { ... }.
• B. It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.
• C. It is placed after the row [SectionName].
• D. It is placed between a line containing Section "SectionName" and a line containing EndSection.
• E. It is placed between the tags <Section name="SectionName"> and </Section>

正解：D

質問 # 67
CORRECT TEXT
Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

正解：

解説：
mkdir, /usr/bin/mkdir

質問 # 68
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. lookup
• E. substitute

正解：A、C

質問 # 69
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