Linux Foundation Certified IT Associat - LFCA Exam Practice Test

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 user needs to grant the file owner read, write, and execute permissions, the group read and execute permissions, and no permissions to others. Which command achieves this?

A storage array must provide both improved read performance and the ability to survive a single disk failure while minimizing wasted capacity. Which RAID level is most appropriate?

An administrator needs to list all listening TCP sockets and their associated port numbers without performing DNS resolution. Which command is most appropriate?

On a systemd-based distribution, which command displays the logs for the sshd service since the most recent boot?

What does IaaS stand for?

A system administrator needs to stop all running processes and halt the system while leaving the power on for further diagnostics. Which command accomplishes this?

A server reports that a partition is full, but adding up the file sizes in the directory does not appear to account for the used space. Which pair of commands should the administrator use to compare filesystem-level usage with directory-level usage?

What is a common method for securing data transmitted over the internet?

What does LVM stand for?

In cloud computing, what are the major benefits of using Reserved Instances or Reserved Capacity?

What command is used to view new content as it is written to a log file?

What type of cloud deployment is used by a single organization but may be hosted externally?