CompTIA XK0-005 Practice Test - Questions Answers, Page 27

Users are unable to create new files on the company's FTP server, and an administrator is troubleshooting the issue. The administrator runs the following commands:

Which of the following is the cause of the issue based on the output above?

An administrator added the port 2222 for the SSH server on myhost and restarted the SSH server. The administrator noticed issues during the startup of the service. Given the following outputs:

Which of the following commands will fix the issue?

After starting an Apache web server, the administrator receives the following error:

Apr 23 localhost.localdomain httpd 4618] : (98) Address already in use: AH00072: make_sock: could not bind to address [: :]80

Which of the following commands should the administrator use to further trou-bleshoot this issue?

A systems administrator detected corruption in the /data filesystem. Given the following output:

Which of the following commands can the administrator use to best address this issue?

A Linux administrator is configuring a two-node cluster and needs to be able to connect the nodes to each other using SSH keys from the root account. Which of the following commands will accomplish this task?

An administrator attempts to connect to a remote server by running the following command:

$ nmap 192.168.10.36

Starting Nmap 7.60 ( https://nmap.org ) at 2022-03-29 20:20 UTC

Nmap scan report for www1 (192.168.10.36)

Host is up (0.000091s latency).

Not shown: 979 closed ports

PORT STATE SERVICE

21/tcp open ftp

22/tcp filtered ssh

631/tcp open ipp

Nmap done: 1 IP address (1 host up) scanned in 0.06 seconds

Which of the following can be said about the remote server?

A systems administrator notices the process list on a mission-critical server has a large number of processes that are in state 'Z' and marked as 'defunct.' Which of the following should the administrator do in an attempt to safely remove these entries from the process list?

A Linux administrator found many containers in an exited state. Which of the following commands will allow the administrator to clean up the containers in an exited state?

Which of the following is the best tool for dynamic tuning of kernel parameters?