XK0-004 Dumps - Grab Out For [NEW-2023] CompTIA Exam
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The CompTIA XK0-004 exam is ideal for IT professionals who work with Linux-based systems and want to enhance their knowledge and skills. It is also beneficial for those who want to start their career in Linux system administration. XK0-004 exam is vendor-neutral, which means that it is not tied to any specific Linux distribution or vendor.
NEW QUESTION # 231
A Linux server hosts Kerberos and LDAP, which of the following is the MOST likely role of this server?
- A. Authentication
- B. Clustering
- C. Database
- D. Certificate authority
Answer: A
NEW QUESTION # 232
A systems administrator needs to retrieve specific fields from a CSV file. Which of the following tools would accomplish this task?
- A. awk
- B. echo
- C. sort
- D. print
Answer: A
Explanation:
Explanation/Reference: https://stackoverflow.com/questions/19602181/how-to-extract-one-column-of-a-csv-file
NEW QUESTION # 233
A systems administrator clones copies of a Linux VM every time a new Linux server is needed. The administrator notices the command prompt always states localhost.localdomain.
Which of the following should the administrator run to have the command prompt consistently labeled as Server1 rather than localhost.localdomain?
- A. hostnamectl set-hostname Server1.localdomain --static
- B. echo "127.0.0.1 Server1 Server1.localdomain" >> /etc/hosts
- C. hostnamectl set-hostname "Server1" --pretty
- D. host Server1
- E. hostnamectl set-hostname Server1 --transient
Answer: C
NEW QUESTION # 234
Which of the following server roles would MOST likely be found in a PXE boot environment?
- A. Web
- B. DNS
- C. DCCP
- D. Proxy
Answer: B
NEW QUESTION # 235
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. chgrp accounting taxes
- B. chmod u+x accounting
- C. chgrp taxes accounting
- D. chmod 774 accounting
- E. chmod g+x accounting
- F. chmod 777 taxes
Answer: B,E
NEW QUESTION # 236
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 method to pass parameters to the Linux kernel on startup.
- C. It provides a method to partition a hard drive.
- D. It provides a menu for creating administrator task shortcuts.
Answer: A
Explanation:
Reference:
configuration/Working_with_the_GRUB_2_Boot_Loader/
NEW QUESTION # 237
Given that a company's policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?
- A. X11
- B. NX
- C. VNC
- D. RDP
Answer: C
NEW QUESTION # 238
Given the output below:
Which of the following commands can be used to remove MyPhoto.jpg from the current directory?
- A. unlink ./MyPhoto.jpg
- B. ln -rm ./Pictures/photo.jpg
- C. rm -f MyPhoto.jpg
- D. rm -rf ./Pictures
- E. del Pictures/photo.jpg
Answer: B
NEW QUESTION # 239
A security administrator wants to display a warning banner before a user logs in. Which of the following files must be edited to make this happen?
- A. /etc/motd
- B. /etc/hosts
- C. /etc/issue
- D. /etc/services
Answer: A
Explanation:
Reference:
https://kerneltalks.com/tips-tricks/how-to-configure-login-banners-in-linux/
NEW QUESTION # 240
An issue was discovered on a testing branch of a Git repository. A file was inadvertently modified and needs to be reverted to the master branch version. Which of the following is the BEST option to resolve the issue?
- A. git merge master testing
- B. git stash branch master
- C. git branch -b master file
- D. git checkout master -- file
Answer: D
Explanation:
Explanation/Reference:
Reference: https://www.git-scm.com/book/en/v2/Git-Basics-Undoing-Things
NEW QUESTION # 241
Which of the following is a difference between YAML and JSON?
- A. YAML has been deprecated for JSON.
- B. Users can comment in YAML but not in JSON
- C. JSON is used in web development, while YAML is used solely in back-end systems.
- D. JSON only curly brackets, while YAML only uses square brackets
Answer: B
Explanation:
Explanation/Reference: https://www.json2yaml.com/yaml-vs-json
NEW QUESTION # 242
An administrator notices that a long-running script, /home/user/script.sh, is taking up a large number of system resources. The administrator does not know the script's function. Which of the following commands should the administrator use to minimize the script's impact on system resources?
- A. bg
- B. nohup
- C. kill
- D. renice
Answer: D
NEW QUESTION # 243
Which of the following would be used to check a sensor input to a Linux system?
- A. SATA
- B. HBA
- C. SCSI
- D. GPIO
Answer: C
NEW QUESTION # 244
Which of the following is the MOST common method used to access Windows systems that are running in a cloud provider from a Linux system?
- A. SSH
- B. VNC
- C. NX
- D. XRDP
Answer: D
NEW QUESTION # 245
A Bash script is saving the following list of users from the home directory to a variable:
User=''home/matt home/tom home/john home/mike''.
Which of the following commands creates a list of only the usernames?
- A. Users=$(Users//home\ /)
- B. Users=$ (sed -r 's?|home/||'<<< $Users)
- C. Users='' (sed -r 's/home///g' <<< $Users)''
- D. Users='sed -r 's/home\ ///g' <<< $users'
Answer: C
NEW QUESTION # 246
A junior systems administrator is creating a cron job. The cron job requirements are as follows:
Run the hello.sh script every hour (24 times in one day).
Run it on Monday only.
Given this scenario, which of the following crontab options should be configured to meet these requirements?
- A. 24 *** Monday hello.sh
- B. 0 24 ** Monday hello.sh
- C. 1 *** 0 hello.sh
- D. 0 *** 1 hello.sh
Answer: A
NEW QUESTION # 247
While creating a file on a volume, the Linux administrator receives the following message: No space left on device. Running the df -m command, the administrator notes there is still 50% of usage left. Which of the following is the NEXT step the administrator should take to analyze the issue without losing data?
- A. Run the df -i command and notice the inode exhaustion
- B. Run the df -k command and notice the storage exhaustion
- C. Run the df -B command and notice the block size
- D. Run the df -h command and notice the space exhaustion
Answer: A
Explanation:
Reference:
https://www.tecmint.com/how-to-check-disk-space-in-linux/
NEW QUESTION # 248
A systems administrator installs a simple package, but the Linux system returns the following error: rpmdb open fails. To verify if there is a problem in the RPM database, the systems administrator runs the following command:
Which of the following commands should the systems administrator run NEXT to resolve this issue?
- A. cd/var/lib/rpm; rpm -qd; rpm --rebuilddb; yum clean all
- B. cd/var/lib/rpm; rm -f _db*; rpm --rebuilddb; yum clean all
- C. cd/var/lib/rpm; rpm --rebuilddb ; rm -f _db*; yum clean all
- D. cd/var/lib/rpm; rpm -qa; rm -f _db*; yum clean all
Answer: D
NEW QUESTION # 249
A systems engineer scheduled an at job that will reboot a critical server. A developer states the processes will not complete for another three hours.
Which of the following will help the systems engineer to remove the job?
- A. at -q
atrm <at job number> - B. at -q
atrm <PID> - C. atq
atrm <at job number> - D. atq
atrm <PID>
Answer: C
NEW QUESTION # 250
A Linux administrator installed a new network adapter and temporarily disabled the network service from starting on boot. The partial output of chkconfig is as follows:
Which of the following commands BEST describes how the administrator should re-enable the network service?
- A. chkconfig --level 0 network on
- B. chkconfig --level 0-6 network on
- C. chkconfig --level 12 network on
- D. chkconfig --level 6 network on
- E. chkconfig --level 345 network on
Answer: E
NEW QUESTION # 251
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CompTIA XK0-004 exam is an essential certification for IT professionals who want to work with Linux-based systems. CompTIA Linux+ Certification Exam certification validates the skills and knowledge of an individual in various domains of Linux-based systems. XK0-004 exam is designed to test the practical, hands-on skills that are essential for working with Linux-based systems. CompTIA Linux+ Certification Exam certification is recognized globally and is an excellent investment for IT professionals who want to advance their careers.
Conclusion
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