CompTIA Linux+ Certification (XK0-005) Free Practice Test
Question 1
A Linux administrator is adding a new configuration file to a Git repository.
Which of the following describes the correct order of Git commands to accomplish the task successfully?
Which of the following describes the correct order of Git commands to accomplish the task successfully?
Correct Answer: B
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Question 2
The Apache web server was recently installed on a Debian/Ubuntu server. The web server fails and a review of log messages on another partition reveals the installation was not completed properly due to lack of disk space. After clearing the files, the systems administrator has requested the installation to be performed again.
Which of the following command lines will perform this task? (Choose two.)
Which of the following command lines will perform this task? (Choose two.)
Correct Answer: A,C
Question 3
A Linux administrator needs to remotely update the contents of the www.comptia.org/contacts URL.
Which of the following commands would allow the administrator to download the current contents of the URL before updating?
Which of the following commands would allow the administrator to download the current contents of the URL before updating?
Correct Answer: A
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Question 4
An operator finds a user is having issues with opening certain files.
Which of the following commands would allow the security administrator to list and check the SELinux context?
Which of the following commands would allow the security administrator to list and check the SELinux context?
Correct Answer: A
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Question 5
An administrator needs to allow remote administrative access to a Linux server only to employees who are using the authorized private key. Which of the following options should the administrator set in the SSHD configuration file to achieve the goal?
Correct Answer: B
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Question 6
A systems administrator notices several intensive tasks executing from users Joe and Ann.
These processes are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?
These processes are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?
Correct Answer: D
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Question 7
Ann, a Linux administrator, wants to edit a configuration management file. When she opens the file to edit, her text editor reports that the file has been opened in read-only mode. She then tries to edit the file as root by elevating via sudo and is still unable to save any changes. The error message in her text editor says that the read-only option is set on the file. Ann checks the permissions on the file and sees the following:
-rw-rw-r-- 1 root wheel 30 Jun 13 15:38 infrastructure.yml
Which of the following commands is the BEST option to allow her to successfully modify the file?
-rw-rw-r-- 1 root wheel 30 Jun 13 15:38 infrastructure.yml
Which of the following commands is the BEST option to allow her to successfully modify the file?
Correct Answer: C
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Question 8
A systems administrator is investigating a service that is not starting up. Given the following information:
Which of the following systemd commands should the administrator use in order to obtain more details about the failing service?
Which of the following systemd commands should the administrator use in order to obtain more details about the failing service?
Correct Answer: D
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Question 9
A systems engineer deploys a new application server, but the server cannot communicate with the back-end database hostname. The engineer confirms that the application server can ping the database server's IP address. Which of the following is the most likely cause of the issue?
Correct Answer: A
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