A directory called /employee is shared with many employees in a company. New hardware was acquired, and the systems administrator needs to back up all files in /employee before the server is replaced.
Which of the following commands should be used to back up all the files and compress them to use little space in the filesystem?

A systems administration team has decided to treat their systems as immutable instances. They keep the desired state of each of their systems in version control and apply automation whenever they provision a new instance. If there is an issue with one of their servers, instead of troubleshooting the issue, they terminate the instance and rebuild it using automation.
Which of the following is this an example of?

Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/ sdcwith /dev/sddwhile editing a file in vi?

A Linux administrator wants to fetch a Git repository from a remote Git server.
Which of the following is the BEST command to perform this task?

Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the /tmpdirectory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?