A junior Linux administrator is optimizing a system in which an application needs to take priority 0 when running the process. The administrator runs the ps command and receives the following output:

Given this scenario, which of the following steps will address this issue?

A company wants to provide internal identity verification services for networked devices. Which of the following servers should be installed?

A systems administrator wants to verify the DNS information of a system that is in production.
Which of the following will provide this information?

A user cannot write files to the /home/user directory. The junior Linux administrator runs the following commands:

Which of the following BEST represents why the user cannot write files?

Which of the following commands would show the default printer on a Linux system?