[Nov 28, 2021] Download Free CompTIA XK0-004 Real Exam Questions
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The benefit in Obtaining the XK0-004 Exam Certification
- There are many companies and organizations have made CompTIA certifications compulsory for certain positions and several job advertisements list the certification as primary requirements. Certified professionals earn more than non-certified IT professionals in the same job roles.
- The big advantage of CompTIA certifications is especially for those candidates who are new to the IT field and they want to increase their own personal confidence. After getting a certification they gain proof that will give them more credibility and determination to advance their career.
- Many colleges and universities are giving college credit for students who get CompTIA certifications.
- There are many companies like Microsoft, CompTIA, Novell, HP, etc. in their own certification tracks are require a CompTIA certification like A+.
NEW QUESTION 59
An administrator has written the following Bash script:
All necessary files exist in the correct locations. However, when the administrator executes /home/user/ test.shthe following error is received:
No such file or directory
Which of the following is the MOST likely cause of the error?
- A. The script is not executable.
- B. Nslookup is not installed.
- C. The shebang points to the wrong path.
- D. The formatting of the file is incorrect.
Answer: C
NEW QUESTION 60
A networked has been crashing intermittently. A Linux administrator would like to write a shell script that will attempt to ping the server and email an alert if the server fails to respond. The script will later be scheduled via cron job.
Which of the following scripts would BEST accomplish this task?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION 61
Users are unable to connect to a server using HTTPS. The administrator runs the following command on the remote system:
Then, the administrator runs the following command from a local workstation:
Which of the following steps should the administrator take to address the issue?
- A. Allow port 443 through the firewall
- B. Configure the application to run on an active port
- C. Start the application to run on port 443
- D. Update the self-signed certificate
Answer: A
NEW QUESTION 62
In which of the following Linux GUI environments would the Konsole application MOST likely be found?
- A. KDE
- B. Gnome
- C. MATE
- D. Unity
- E. Cinnamon
Answer: A
NEW QUESTION 63
A technician suspects a company's border firewall is down, thus blocking Internet access. The technician executes the following commands:
#ping -c 1 firewall.company.com
64 bytes from firewall.company.com (192.168.1.1): icmp_seq=1 ttl=64 time=0.061ms
#ping -c 16 www.comptia.com
16 packets transmitted, 0 received, 100% packet loss, time 14999ms
Which of the following commands should the technician use to BEST determine the source of this outage?
- A. tcpdump
- B. dig
- C. traceroute
- D. nmap
Answer: C
NEW QUESTION 64
After installing a new web server, you are unable to browse to the default web page.
INSTRUCTIONS
Review all the command output and select the command needed to remediate the issue.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
NEW QUESTION 65
Given the output below:
Which of the following commands can be used to remove MyPhoto.jpg from the current directory?
- A. ln -rm ./Pictures/photo.jpg
- B. unlink ./MyPhoto.jpg
- C. del Pictures/photo.jpg
- D. rm -rf ./Pictures
- E. rm -f MyPhoto.jpg
Answer: A
NEW QUESTION 66
A Linux administrator recently reprovisioned a new corporate web server to replace a legacy one. To minimize the impact on the company's users, the administrator modified the network and DNS settings of the new server to be the same as the legacy server.
When attempting to log in to the new server remotely over SSH, the following error message is displayed:
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Which of the following should the administrator do to resolve the issue?
- A. Remove the entry for the web server from the known_hosts file on the local machine.
- B. Restart the network services on both the remote server and the local machine.
- C. Add the administrator's public key to the authorized_keys on the remote server.
- D. Update the /etc/hosts file on the remote server and local machine.
Answer: C
NEW QUESTION 67
Which of the following commands would show the default printer on a Linux system?
- A. lpq
- B. lpr
- C. lpstat
- D. lspci
Answer: A
Explanation:
Explanation/Reference: https://superuser.com/questions/123576/show-default-linux-printer
NEW QUESTION 68
An administrator needs to create a file named hello in the home directory that contains the following text:
it's me!
Which of the following commands would accomplish this goal?
- A. mkdir ~/hello
touch ~/"it's me!" - B. type ~/hello
print "it's me!" - C. mv ~/hello
cp "it's me!" > ~/hello - D. touch ~/hello
echo "it's me!" > ~/hello
Answer: A
NEW QUESTION 69
Joe, a user, reports that he is no longer able to write files to his home directory. Upon inspection, the Linux administrator discovers that attempting to create a new file gives the following error: No space left on device.
However, the disk and partition are not full. Which of the following commands would be BEST for the administrator to use to continue troubleshooting this problem?
- A. fdisk /dev/sda
- B. rm -Rf ~/.*
- C. fsck -y /dev/sda1
- D. df -i
Answer: D
NEW QUESTION 70
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. Solution as
- B. Solution as
Answer: B
Explanation:
Reference:
https://www.cyberciti.biz/faq/linux-unix-how-to-find-and-remove-files/
NEW QUESTION 71
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?
- A. dmesg
- B. modinfo
- C. modprobe
- D. lsmod
Answer: B
Explanation:
Reference:
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/sec-displaying_information_about_a_module
NEW QUESTION 72
A systems administrator needs to run the yum update command two hours after employees log off and leave for the day on Friday.
Which of the following is the BEST command to complete the task, if the task only needs to be run once?
- A. nohup
- B. at
- C. cron
- D. screen
Answer: A
NEW QUESTION 73
A junior systems administrator 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.
Given this scenario, which of the following should be performed to meet these requirements? (Choose two.)
- A. export $LANG = en_US.UTF
- B. echo $LC_ALL
- C. stty
- D. export LANG = en_US.UTF-8
- E. cat $LC_ALL
- F. locale
Answer: D,F
Explanation:
Explanation/Reference: https://www.tecmint.com/set-system-locales-in-linux/
NEW QUESTION 74
A four-drive Linux NAS has been improperly configured. Each drive has a capacity of 6TB, for a total storage capacity of 24TB. To reconfigure this unit to be not pluggable for drive replacement and provide total storage of
11TB to 12TB, which of the following would be the correct RAID configuration?
- A. RAID 03
- B. RAID 10
- C. RAID 50
- D. RAID 01
Answer: B
NEW QUESTION 75
A Linux user needs to connect to a remote email server named mail.foo.com through the SMTP port.
Which of the following commands will accomplish this task?
- A. netcat mail.foo.com 25
- B. netcat mail.foo.com 110
- C. traceroute mail.foo.com 25
- D. traceroute mail.foo.com 110
Answer: A
NEW QUESTION 76
A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software's master branch?
- A. Clone the feature branch into the master branch.
- B. Save the changes to the master branch automatically with each Git commit.
- C. Merge the changes from the feature branch to the master branch.
- D. Pull the changes from the feature branch into the master branch.
Answer: C
Explanation:
Reference:
https://git-scm.com/book/en/v2/Git-Branching-Basic-Branching-and-Merging
NEW QUESTION 77
An administrator is troubleshooting to determine why backups are failing on a particular server. The administrator runs the ps command and analyzes the following output.
The administrator runs kill -9 10112 yet the process remains.
Which of the following BEST describes the issue and how to fix it?
- A. The backup process is a zombie process, and the system needs to be rebooted.
- B. The backup process is using 100% of system resources and needs to be rescheduled with renice.
- C. The backup process is out of memory, and more memory needs to be added to the system.
- D. The backup process is still running and needs to be killed with kill -9 --force 10112.
Answer: A
NEW QUESTION 78
Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely?
- A. RPC
- B. KDE
- C. X11
- D. VNC
Answer: D
NEW QUESTION 79
......
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.
- 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.
- 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.
Who should take the XK0-004 exam
The CompTIA Linux+ certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled in CompTIA Linux+. if a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The CompTIA Linux+ certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass CompTIA XK0-004 Exam then he should take this exam.
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