A Linux administrator needs to determine whether a hostname is in the DNS. Which of the following would supply the information that is needed?

A Linux administrator needs to expand a volume group using a new disk. Which of the following options presents the correct sequence of commands to accomplish the task?

Junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults.
Typing "help" in the terminal will show a list of relevant event commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

A Linux administrator recently downloaded a software package that is currently in a compressed file. Which of the following commands will extract the files?

An administrator needs to make some changes in the IaC declaration templates. Which of the following commands would maintain version control?