Expert Answers to CompTIA Exam XK0-006 Questions

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Linux+ CompTIA Linux+ V8 Exam

CompTIA Linux+ V8 Exam

Last Update Feb 1, 2026
Total Questions : 87

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Questions 2

A systems administrator wants to prevent the current contents of a file from being overwritten and wants to allow new additions at the end of the file. Which of the following commands should the administrator use?

Options:

setenforce file

setfacl -m m::t file

chattr +a file

chmod +t file

Discussion 0

Questions 3

A systems administrator is having issues with a third-party API endpoint. The administrator receives the following output:

Questions 3

Which of the following actions should the administrator take to resolve the issue?

Options:

Open a secure port in the server's firewall.

Request a new API endpoint from a third party.

Review and fix the DNS client configuration file.

Enable internet connectivity on the host.

Discussion 0

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Questions 4

A Linux administrator just finished setting up passwordless SSH authentication between two nodes. However, upon test validation, the remote host prompts for a password. Given the following logs:

Questions 4