Linux+ Certification XK0-004 Sample Questions Reliable
Prepare for the Actual Linux+ XK0-004 Exam Practice Materials Collection
Books to Use to Prepare for XK0-004
Numerous books and study guides are always available as an option for personal studies. Put it otherwise, having earlier knowledge gained from the official training course is an added advantage but, you can always increase your chances of passing the CompTIA XK0-004 test through the use of books for self-learning. You can purchase these materials from third-party sites such as Amazon.
- CompTIA Linux+ All-in-one Exam Guide by Ted Jordan and Sandor Strohmayer.
This is a study guide written by technology trainers and Linux experts which is aimed at comprehensive training of candidates for the CompTIA Linux+ exam. The book covers all the objectives and includes test tips, practice questions, and detailed explanations. Having this edition on their hands, apart from theory, applicants will access more than 100 samples, virtual machines for practice, and over 20 tutorial videos. Also, it's safe to say that this guide is made to help you pass the challenging test, as well as will be a valuable consideration for on-the-job reference.
- CompTIA Linux+ Portable Command Guide 3rd Edition by William Rothwell.
This book is an essential material equipped with almost all of the vital commands you will require to pass the exam as it outlines each of XK0-004 test objectives. This guide has summaries of various commands, command arguments, keywords, and associated command prompts. Also, configuration samples are availed throughout to provide a detailed learning of the Linux commands as well as additional guides helping you on their correct use.
CompTIA XK0-004: Skills Measured
This certification exam is designed to validate the skills and knowledge of the IT professionals with practical experience in supporting, configuring, and monitoring the servers that are functioning on the Linux operating system. The test focuses on a variety of topics, including security, storage and virtualization, kernel models, device management within an enterprise, networking and firewalls, troubleshooting & SELinux, git and automation, server-side & command line, and server versus client-based coverage. The highlights of the domains included in the exam syllabus are enumerated below:
- Hardware & System Configuration: 21%
This topic measures the ability of the candidates to describe the concepts of a Linux boot process; verify and configure the network connection parameters; manage storage within the Linux environments; compare and contrast virtualization and Cloud technologies and concepts; configure localization alternatives.
- Security: 19%
This section requires the students’ skills and competence in acquiring or applying the relevant group or/and user ownership and permissions; configuring and implementing the relevant authentication and access methods; summarizing best practices within the Linux environment; implementing logging services; backing up, restoring, and compressing files.
- Linux Troubleshooting & Diagnostics: 20%
The test takers should be able to demonstrate their knowledge and skills in analyzing and remediating system properties; analyzing system processes for optimizing performance; analyzing and troubleshooting user issues; analyzing and troubleshooting hardware and application issues.
- Systems Operation & Maintenance: 26%
The examinees should have competence in conducting software installations, updates, configurations, and removals; managing groups and users; creating, redirecting, and modifying files; managing services; describing and summarizing server roles; scheduling and automating jobs. The individuals should also be able to describe the operation and usage of Linux devices and compare and contrast the graphical user interfaces of Linux.
- Automation & Scripting: 14%
This subject area requires one’s skills in executing and deploying fundamental BASH scripts; performing version control with the use of Git; summarizing orchestration concepts and processes.
XK0-004 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our CompTIA XK0-004 exam dumps will include the following topics:
- Hardware and System Configuration 21%
- Automation and Scripting 14%
- Linux Troubleshooting and Diagnostics 20%
- Security 19%
- Systems Operation and Maintenance 26%
NEW QUESTION 98
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 remote access to the server?
- A. /etc/sshd/ssh.conf
- B. ~/.ssh/authorized_keys
- C. ~/ssh/authorized-keys
- D. /etc/authorized_keys
Answer: B
Explanation:
Explanation/Reference: https://www.linode.com/docs/security/securing-your-server/
NEW QUESTION 99
Joe, a system administrator, realizes that the time zone on a system is different than his local time zone. Joe runs the command export Tz-America .Chicago to resolve this. However the next Joe logs in, Joe notices the issue has returned. Which of the following is the BEST way for Joe to fix this issue so the solution persists across logins?
- A. Add the export Tz=America/Chicage command to the bash_profile file.
- B. Run the export LC ALL=America/Chicago command
- C. Run the export Tz=/etc/localtime command
- D. Set the correct the zone with the date command.
Answer: A
NEW QUESTION 100
A server is almost out of free memory and is becoming unresponsive. Which of the following sets of commands will BEST mitigate the issue?
- A. fdisk, mkswap, swapon -a
- B. df, du, rmmod
- C. free, fack, partprobe
- D. lsof, lvcreate, mdadm
Answer: C
Explanation:
Reference:
https://vitux.com/7-commands-to-check-swap-space-in-debian-10/
NEW QUESTION 101
A junior systems is configuring localization option environment variables. The administrator is given a checklist of tasks with the following requirements:
* View current settings of the LC_ALL environment variable only.
* Modify the LANGenvironment variable to US English Unicode.
- A. stty
- B. cat $LC_ALL
- C. locale
- D. export $LANG = en_US.UTF
- E. Given this scenario, which of the following should be performed to meet these requirements? (Choose two.) echo $LC_ALL
- F. export LANG = en_US.UTF-8
Answer: C,F
Explanation:
Explanation/Reference: https://www.tecmint.com/set-system-locales-in-linux/
NEW QUESTION 102
Joe, a member of the accounting group on a Linux system, is unable to write a file called "taxes" in the accounting shared directory. The ownership and permissions on the directory and file are as follows:
accounting drwxrw-r-- user = ann, group = accounting
taxes -rw-r--r-- , user = ann, group = accounting
Which of the following commands would allow Joe to write to the file? (Choose two.)
- A. chmod 777 taxes
- B. chgrp accounting taxes
- C. chgrp taxes accounting
- D. chmod g+x accounting
- E. chmod u+x accounting
- F. chmod 774 accounting
Answer: D,E
NEW QUESTION 103
A technician recently installed Linux on a desktop computer. The desktop has two graphics cards from two different vendors. One of the graphics cards works, but the other does not. Which of the following commands should the technician use to start troubleshooting this issue?
- A. startx
- B. Vmstat
- C. Ismod
- D. Gdm
Answer: C
NEW QUESTION 104
An administrator needs to kill the oldest Bash shell running in the system. Which of the following commands should be issued to accomplish this task?
- A. killall -9 PID
killall -15 -o bash - B. kill -9 PID
ps -eo pid,etime,cmd | grep bash (to obtain PID) - C. ps axjf | grep bash to obtain PID
- D. kill -9 PID
ps -eo pid,etime| grep bash (to obtain PID)
Answer: A
Explanation:
Explanation/Reference: https://phoenixnap.com/kb/how-to-kill-a-process-in-linux
NEW QUESTION 105
An administrator installs a popular virtualization hypervisor on a Linux workstation. The softwareruns but generates a lot of AVC errors in the var/log/audit/audit .log file Rather than address each AVC error as it appears, which of the following should the admnisstrator run to locate and enable a comprehensive setting to allow use of the virtualization software? (Select TWO).
- A. Setenforce
- B. Getsebool
- C. Getenforce
- D. Setsebool
- E. Setfacl
- F. Getfacl
Answer: B
NEW QUESTION 106
A Linux administrator implemented a new HTTP server using the default configuration. None of the users on the network can access the server. If there is no problem on the network or with the users' workstations, which of the following steps will BEST analyze and resolve the issue?
- A. Run routeto ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and
443 - B. Run routeto ensure the port is correctly bound, and configure SELinux to allow access on ports 80 and
443 - C. Run netcat to ensure the port is correctly bound, and configure a static route to the web to allow access on ports 80 and 443
- D. Run netstatto ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and 443
Answer: C
Explanation:
Explanation/Reference: https://www.varonis.com/blog/netcat-commands/
NEW QUESTION 107
During the final step of staging new Linux hardware, GRUB2 is installed to the system drive. Which of the following BEST describes the role of GRUB2 in a new Linux installation?
- A. It provides a menu for running special shell scripts.
- B. It provides a menu for creating administrator task shortcuts.
- C. It provides a method to pass parameters to the Linux kernel on startup.
- D. It provides a method to partition a hard drive.
Answer: A
Explanation:
Reference:
https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/kernel-moduledriver- configuration/Working_with_the_GRUB_2_Boot_Loader/
NEW QUESTION 108
When requesting SSH access to a remote system, a user accidentally emailed the id_rsa key to the administrator. Which of the following should the user do NEXT?
- A. Delete id_rsa key file and send the id_rsa.pub key file instead.
- B. Run the ssh-add command to add the remote system to known_hosts.
- C. Ask the administrator to run chmod 600 id_rsa on the remote system.
- D. Stop using that key and run ssh-keygen to generate a new key pair.
Answer: D
NEW QUESTION 109
A systems administrator wants to download a package from a remote server. Which of the following are the BEST commands to use for this task? (Choose two.)
- A. tar
- B. nc
- C. make
- D. curl
- E. wget
- F. zip
Answer: B,E
Explanation:
Reference:
https://www.linuxtechi.com/nc-ncat-command-examples-linux-systems/
https://www.unifiedremote.com/tutorials/how-to-install-unified-remote-server-deb-via-terminal
NEW QUESTION 110
A Linux administrator needs to archive all the *.log files in the /var/log directory. The directory has several symbolic link files that need to be included in the car file. Which of the following commands should the administrator run to create
- A. tar -czh logarchive.tgz /var/log/*.log
- B. tar -cpz logarchive.tgz /var/log/*.log
- C. tar -tvz logarchive.tgz /var/log/".log
- D. tar -xhz Icgarchive.tgz /var/log/*.log
Answer: A
NEW QUESTION 111
An administrator is reviewing updates in the master online Git repository and notices a file named .htaccess.
The file contains passwords and should only be in the administrator's local repository, not the online one.
Which of the following would prevent this file from appearing online in the future?
- A. git commit -m "File Update" -x .htaccess
- B. sed -i 's/#Preserve Hidden=True/Preserve Hidden=True/g' .git/config
- C. echo ".htaccess" >> .gitignore
- D. chown nobody:nodoby .htaccess
Answer: C
NEW QUESTION 112
Find the file named core and remove it from the system.
INSTRUCTIONS
Type "help" to display a list of available commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
- A. See below.
Solution as
- B. See below.
Solution as
Answer: A
Explanation:
Reference:
https://www.cyberciti.biz/faq/linux-unix-how-to-find-and-remove-files/
NEW QUESTION 113
......
Ace CompTIA XK0-004 Certification with Actual Questions Feb 23, 2023 Updated: https://itcertspass.prepawayexam.com/CompTIA/braindumps.XK0-004.ete.file.html