Linux Foundation LFCA Online Practice Questions and Exam Preparation

Linux Foundation LFCA Online Questions & Answers

• Question 51:

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

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

• Question 52:

  Which of these providers host repositories of container images?

  A. Docker Hub
  B. GitHub
  C. Container Index
  D. GitLab
  A. Docker Hub

• Question 53:

  A server on the network is unreachable. What is the best method to verify connectivity between your computer and the remote server?

  A. lookup
  B. find
  C. ping
  D. netstat
  C. ping

• Question 54:

  What command is used to set or change permission attributes of files (such as read, write, execute)?

  A. chacl
  B. chmod
  C. chown
  D. setattr
  B. chmod

• Question 55:

  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 56:

  An IT associate would find the log files for syslog in which of the following directories?

  A. /var/log
  B. /usr/local/logs
  C. /home/logs
  D. /etc/logs
  A. /var/log

• Question 57:

  An IT associate has a web application running on multiple servers, configured to scale based on CPU usage. The current configuration has a minimum size of 1 and a maximum size of 5 servers, designed to launch and spread the instances across 3 Availability Zones (AZ). During a low utilization period, an entire AZ went down, and the application experienced downtime. What can the IT associate do to increase the availability of the application?

  A. Increase the minimum to 2
  B. Change to scale based on number of requests
  C. Decrease the AZs to 2
  D. Increase the maximum to 6
  A. Increase the minimum to 2

• Question 58:

  In which file are system and user account passwords stored?

  A. /etc/passwd
  B. /etc/login.defs
  C. /etc/shadow
  D. /etc/secure
  C. /etc/shadow

• Question 59:

  What does LVM stand for?

  A. Logical Virtualization Manager
  B. Linux Volume Manager
  C. Logical Volume Manager
  D. Linux Virtualization Manager
  C. Logical Volume Manager

• Question 60:

  What command do you use to view the structure of system directory hierarchies?

  A. tree
  B. fee | ls /etc
  C. ls -t
  D. ls tree
  A. tree