CompTIA Linux+ (XK0-004) Free Practice Exam Questions

280 real CompTIA Linux+ (XK0-004) exam questions with answers and AI explanations. CompTIA certification prep — page 20 of 28.

  1. Question 221: A new IO card has been added to the security server to log the opening and closing of the main entrance. A switch is attached, so the interface card returns a…
  2. Question 222: Which of the following would allow remote users to access a corporate server? (Choose two.)
  3. Question 223: A junior Linux administrator needs to access production servers using a secure SSH protocol. Which of the following files should contain the public key to gain…
  4. Question 224: After connecting a USB drive, the system is unable to detect it. There is no entry in /dev, and there is no information in the message log. Which of the follow…
  5. Question 227: A Linux administrator needs to update a script that is stored in the team's Git repository. After the administrator clones the repository, which of the followi…
  6. Question 228: A systems administrator discovers httpd is running and preventing another application service from listening on the default web port. The administrator stops a…
  7. Question 229: Joe, a Linux administrator implemented an IP blocking solution to secure a server, but he is now unable to connect to the server from the office. Which of the…
  8. Question 230: A Linux administrator needs to generate SSH keys for remote users. The company security policy requires at least 4096-bit encryption on all public/private key…
  9. Question 231: A technician's laptop is configured with wired and wireless interfaces. Both interfaces have obtained the appropriate IP address from the organization's DHCP s…
  10. Question 233: A network administrator installed a web server on a Linux host and added a firewalld command to open port 80/tcp. The web server worked without error until an…