CompTIA Linux+ Certification - XK0-004 Exam Practice Test
A Linux administrator opens a ticket to have an external hard drive mounted. As a security policy, external storage kernel modules are disabled.
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
Correct Answer: B
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Which of the following would be used to check a sensor input to a Linux system?
Correct Answer: B
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A Linux administrator is running a script that runs a Java application but receives the following error:
Error: Java_Home is not set
Java is installed on the Linux server and java -version returns a value. Which of the following should the administrator add to the script to resolve this issue?
Error: Java_Home is not set
Java is installed on the Linux server and java -version returns a value. Which of the following should the administrator add to the script to resolve this issue?
Correct Answer: B
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A Linux user uses a VPN to securely access the company's systems from a laptop.
Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)
Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)
Correct Answer: B,D
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An administrator is reviewing web application logs and discovers several external addresses are trying to perform port scans, SQL injections, or URL oVectory traversal attacks The administrator is able to create an automated security log for malicious traffic IP addresses and requests The secunty administrator then uses the following information to protect the server:
Which of the following actions should the security administrator recommend to protect the server?
Which of the following actions should the security administrator recommend to protect the server?
Correct Answer: C
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A systems administrator configured a new kernel module, but it stopped working after reboot. Which of the following will allow the systems administrator to check for module problems during server startup?
Correct Answer: B
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A user cannot write files to the /home/user directory. The junior Linux administrator runs the following commands:
Which of the following BEST represents why the user cannot write files?
Which of the following BEST represents why the user cannot write files?
Correct Answer: A
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Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely?
Correct Answer: C
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In which of the following Linux GUI environments would the Konsole application MOST likely be found?
Correct Answer: B
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A system administrator recently installed and configure a web proxy server with the IP address 192.68 address. What is the should be implemented on then proxy server to ensure traffic is processes.
A)
B)
D)
A)
B)
D)
Correct Answer: B
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A systems administrator is creating a new volume opt _ app in a volume group app_vg. The new volume should utilize all the available disk space from the newly added disk device /dev/ sdb. Which of the following will achieve the task, assuming the app_vg volume group does not exist yet and the disk device was added but not configured?
Correct Answer: D
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Ann, a Linux administrator, is storing scripts in a private Git repository. Which of the following commands should Ann use to avoid entering the login and password every time Ann commits change?
Correct Answer: A
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A user cannot reach the internet from a workstation. A systems administrator performs diagnostics with the following results:
Which of the following is the cause for lack of internet connectivity?
Which of the following is the cause for lack of internet connectivity?
Correct Answer: D
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