Linux Foundation LFCA - Questions & Answers

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

Which option will cause ls to display hidden files and folders?

Which type of cloud computing combines on-premise infrastructure with a public cloud?

When working on a Linux system with firewalld enabled, how can other systems be allowed to access the HTTPS port on the system in the default firewall zone so that the access is granted immediately and persists across reboots?

A supervisor instructs an IT associate to encrypt all data on a particular partition on a Linux database host.

What open source technology would be used to encrypt the data?

A team just developed a new feature on the company's main web application. An IT associate wants to test this new feature by making it available for only 10% of the users. If everything works without any problems for a week, the associate will then make it available for all users.

Which release type should be used to achieve this goal?

In which file are system and user account passwords stored?

A company's IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting.
Of the options below, which is the best way of doing this?

An IT associate is researching technology options to use at a company. The company's application requires a Linux server, features a small memory footprint, and runs mostly web services and a few back-end applications.

Which of the following would allow for the most efficient use of system resources and fast startup speeds?

Which of the following is a non-functional requirement?