Linux Foundation Linux Foundation Certifications LFCA Questions & Answers

• Question 51:

  What technology could be used to address software dependency conflicts between applications on the same host operating system?

  A. Type 1 hvpervisors

  B. Type 2 hvpervisors

  C. Containers

  D. cgroups

  Correct Answer: C

• Question 52:

  Which is a common best practice to automatically reduce disk usage associated with the storage of log files?

  A. Use the loqrotate utility to periodically rotate the loq files.

  B. Create a cron job that deletes all log files in the folder every day.

  C. Delete the Vvar/log" directory so the log files are prevented from being created.

  D. Manually empty the log files every day of the week.

  Correct Answer: A

• Question 53:

  Which of the following is considered a best practice for hardening SSHD?

  A. Using portknocking to protect ssh access for root

  B. Completely disabling ssh access

  C. Disabling ssh access for root

  D. Renaming root to a random name

  Correct Answer: C

• Question 54:

  Which of the following commands is used to display SELinux status?

  A. svstemctl

  B. sestatus

  C. firewall-cmd

  D. sudo

  Correct Answer: B

• Question 55:

  By default, the Linux operating system uses what access control to manage files/users?

  A. Discretionary Access Control

  B. Mandatory Access Control

  C. Least Privilege

  D. Full Control

  Correct Answer: A

• Question 56:

  Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?

  A. Production

  B. Runtime

  C. Staging

  D. Website

  Correct Answer: A

• Question 57:

  Which of the following commands can be used to lock a user's account so that they cannot log into a Linux server without removing any files, folders, or data?

  A. lock

  B. usermod

  C. userdel

  D. chmod

  Correct Answer: B

• Question 58:

  Which port is normally required to be open for secure remote interactive shell access to Linux systems?

  A. 443/tcp

  B. 23/tcp

  C. 22/tcp

  D. 25/tcp

  Correct Answer: C

• Question 59:

  Which of the following best describes the technical term "Elasticity"?

  A. The degree to which a system can adapt to dynamic computing demands

  B. The degree to which a business accommodates larger loads just by adding resources

  C. The degree to which a system consistently performs according to its specifications

  D. The ability to meet the business's needs through a variety of cloud offerings

  Correct Answer: A

• Question 60:

  On systemd-based Linux systems, what are runlevels called?

  A. Services

  B. Targets

  C. Units

  D. Modes

  Correct Answer: B