Linux Foundation LFCA Online Practice Questions and Exam Preparation

Linux Foundation LFCA Online Questions & Answers

• Question 1:

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

  A. Services
  B. Targets
  C. Units
  D. Modes
  B. Targets

• Question 2:

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

• Question 3:

  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
  C. 22/tcp

• Question 4:

  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
  B. usermod

• Question 5:

  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
  A. Production

• Question 6:

  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
  A. Discretionary Access Control

• Question 7:

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

  A. svstemctl
  B. sestatus
  C. firewall-cmd
  D. sudo
  B. sestatus

• Question 8:

  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
  C. Disabling ssh access for root

• Question 9:

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

• Question 10:

  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
  C. Containers