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 Linux user uses a VPN to securely access the company's systems from a laptop.
Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)

A systems administrator is installing an HTTPD server on a Linux server and configuring it as a proxy server. The administrator runs the following commands to verify that the service is running:

However, the administrator is getting a 503 error when browsing to portal . company. internal. After reviewing the logs, the following error information is discovered:

Which Of the following commands BEST resolves the issue?

A systems administrator is investigating low performance a server. After executing some diagnostic commands, the administrator analyzes the data:

Which of the following is the cause of low performance on the server?

A Linux adrmmstrator wants to resolve a remote server name locally. When of the following files should the administrator modify?