Linux Foundation Linux Foundation Certified SYSADMIN LFCS Questions & Answers

• Question 241:

  What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)

  A. The user bob is removed from the system's user database.

  B. The user bob's home directory is removed.

  C. The locate database is updated to drop files owned by bob.

  D. All files owned by bob are remove from all mounted filesystems.

  E. In case bob was the last member of a group, that group is deleted.

  Correct Answer: AB

• Question 242:

  Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

  A. 2001:db8::15 www.example.com www

  B. www.example.com www 203.0.13.15

  C. 203.0.113.15 www.example.com www

  D. www.example.com,www 203.0.13.15,2001:db8::15

  E. 2003.0.113.15,2001:db8::15 www.example.com www

  Correct Answer: AC

• Question 243:

  What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

  A. Device IRQ settings

  B. PCI bus speed

  C. System battery type

  D. Device vendor identification

  E. Ethernet MAC address

  Correct Answer: ABD

• Question 244:

  What is the purpose of the Filesystem Hierarchy Standard?

  A. It is a security modelused to ensure files are organized according to their permissions and accessibility.

  B. It provides unified tools to create, maintain and manage multiple filesystems in a common way.

  C. It defines a common internal structure of inodes for all compliant filesystems.

  D. It is a distribution neutral description of locations of files and directories.

  Correct Answer: D

• Question 245:

  Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

  A. dirname

  B. which

  C. basename

  D. query

  E. whereis

  Correct Answer: E

• Question 246:

  What is true about the file /etc/localtime?

  A. It is a plain text file containing a string such as Europe/Berlin.

  B. It is created and maintained by the NTP service based on the geolocation of the system's IP address.

  C. It is a symlink to /sys/device/clock/ltime and always contains the current local time.

  D. It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/Berlin.

  Correct Answer: D

• Question 247:

  Which command can be used to delete a group from a Linux system?

  A. groupdel

  B. groupmod

  C. groups

  D. groupedit

  Correct Answer: A

• Question 248:

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

  A. Timestamps

  B. MD5 checksums

  C. Inodes

  D. File sizes

  E. GnuPG signatures

  Correct Answer: ABD

• Question 249:

  Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.)

  A. FIND

  B. ID

  C. LABEL

  D. NAME

  E. UUID

  Correct Answer: CE

• Question 250:

  In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

  A. cat /proc/self/mounts

  B. free

  C. mount

  D. lsmounts

  E. cat /proc/filesystems

  Correct Answer: AC