CompTIA XK0-005 Practice Test - Questions Answers, Page 29

The application team has reported latency issues that are causing the application to crash on the Linux server. The Linux administrator starts troubleshooting and receives the following output:

Which of the following commands will improve the latency issue?

An administrator runs ping comptia.org. The result of the command is:

ping: comptia.org: Name or service not known

Which of the following files should the administrator verify?

Which of the following should be used to verify the integrity of a file?

A new application container was built with an incorrect version number. Which of the following commands should be used to rename the image to match the correct version 2.1.2?

A Linux administrator wants to prevent the httpd web service from being started both manually and automatically on a server. Which of the following should the administrator use to accomplish this task?

Which of the following will prevent non-root SSH access to a Linux server?

Due to performance issues on a server, a Linux administrator needs to terminate an unresponsive process. Which of the following commands should the administrator use to terminate the process immediately without waiting for a graceful shutdown?

A Linux administrator needs to determine if prerequisites are met. One of the application requirements is to install Perl on a system. Which of the following commands would accomplish this task?

A Linux administrator is troubleshooting an SSHD issue on a server. Users are receiving error messages stating the connection is refused. Which of the following commands should be used to verify whether the service is listening?