CompTIA Linux + XK0-005 Practice Questions by Topic

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CompTIA Linux+ XK0-005

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What file stores user password aging policies?
What is the best practice for SSH root login?
Which of the following technologies can be used as a central repository of Linux users and groups?
A systems administrator wants to back up the directory /data to /backup/data on a remote server remote. Which command wi...
How do you list all open ports and associated services?
A user is asking the systems administrator for assistance with writing a script to verify whether a file exists. Which o...
What command modifies SELinux mode temporarily?
How can a user securely transfer a file to a remote server?
A systems administrator is required to tag a web server for API connectivity. Which of the following commands will accom...
Developers have requested implementation of a persistent, static route on the application server. Packets sent over the...
What does /etc/hosts.deny do?
A Linux server web application runs on port 6379. SELinux is enforcing. Which of the following commands should resolve t...
What does the setuid permission do?
A Linux systems administrator is setting up SSH access with PKI for several users using their newly created RSA keys. Wh...
A systemd job is running only daily instead of every two hours as intended. What is MOST likely causing the issue? &nbsp...
Which tool scans a system for rootkits?
A Linux server cannot reach other servers on the same subnet. The administrator finds link status output. Which of the f...
What command displays the current runlevel of a Linux system?  
A Linux administrator is asked to run a container with an HTTP server that listens internally on port 8443 and is expose...
How do you create a symbolic link in Linux?  
An administrator needs to version control changes to IaC declaration templates. Which command will maintain version cont...
Which file lists users who are allowed to use sudo?  
To prevent logins from users other than root while /etc/nologin exists, which PAM module should be used?
An administrator is unable to rename a file due to restricted permissions. Which command should the administrator run ne...

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