2023 Updated Verified XK0-004 dumps Q&As - Pass Guarantee or Full Refund
XK0-004 PDF Questions and Testing Engine With 485 Questions
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.
CompTIA XK0-004: Career Prospects
The professionals who pass the CompTIA XK0-004 exam are qualified to get the CompTIA Linux+ certification. With this certificate, they can explore a variety of career prospects. Some of the job roles that they can take up include a Systems Administrator, a Technical Support Specialist, a Linux Administrator, a Web Administrator, and a Network Administrator, among others. The salary outlook for these titles is also attractive as the certified individuals in any of these positions can earn an average of $75,000 per annum. It’s important to mention that some individuals can get more than this average sum as it mostly depends on their job role, experience, and their workplace.
Exam details and topics
To get the CompTIA Linux+ certification, you need to pass only one test, also known as XK0 004. This is a 90-minute exam, which has about 90 questions of various types. Thus, during the test, you can run into the performance-based items, fill-in-the-blank, multiple choice, and multiple response. These questions will be in the English language only, and you will have to clear them with 720 points. This is the minimum passing score that you should achieve, so you can try to earn more. The maximum possible mark is 900. As for the voucher, it is required to purchase it on the Pearson VUE platform for $329.
NEW QUESTION 290
A Linux systems administrator needs to copy the contents of a directory named "working" on the local working system to a folder /var/www/html on a server named "corporate-web".
Which of the following commands will allow the administrator to copy all the contents to the web server?
- A. mv working webuser@corporate-web:/var/www/html
- B. scp -r working/* webuser@corporate-web:/var/www/html
- C. cp -r working/* webuser@corporate-web:/var/www/html
- D. tar working/* webuser@corporate-web:/var/www/html
Answer: B
Explanation:
Reference:
https://unix.stackexchange.com/questions/232946/how-to-copy-all-files-from-a-directory-to-a-remote-directory-using-scp
NEW QUESTION 291
Which of the following configuration management tools is considered agentless?
- A. Ansible
- B. Chef
- C. Ouppet
- D. Salt
Answer: A
Explanation:
Reference:
https://www.intigua.com/blog/puppet-vs.-chef-vs.-ansible-vs.-saltstack
NEW QUESTION 292
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. Configure the application to run on an active port
- B. Start the application to run on port 443
- C. Allow port 443 through the firewall
- D. Update the self-signed certificate
Answer: C
NEW QUESTION 293
You have been asked to parse a log file of logins to determine various information about who is logging in and when.
INSTRUCTIONS
Open and inspect the Login log file.
Drag and drop the correct commands onto the output that was generated from that command.
Tokens can be used only once and not all will be used.
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 294
A new video card was added to a customer workstation. To get the new video card to work correctly, a systems
administrator needs to remove support for the nouveau video driver on the Linux workstation.
Which of the following will accomplish this task?
- A. Use modprobe -R nouveau.
- B. Add blacklist nouveau to /etc/modprobe.conf.
- C. Use rmmod -f nouveau.
- D. Add blacklist nouveau to /etc/modprobe.d/blacklist.conf.
Answer: C
NEW QUESTION 295
An administrator receives an alarm because the disk of one of the sewers is running out of space. Which of the following commands can be used to see the space that each partition is using?
- A. df -h
- B. fsck /
- C. du -scg /
- D. fdisk -l
Answer: A
NEW QUESTION 296
A Linux administrator is configuring a server to log security events for the ping command while allowing the request to occur. The Linux server is using AppArmor to manage its security services.
Which of the following commands is the BEST option?
- A. aa-disable /bin/ping
- B. aa-complain /bin/ping
- C. aa-enforce /bin/ping
- D. aa-unconfined /bin/ping
Answer: B
NEW QUESTION 297
While creating a file on a volume, the Linux administrator receives the following message: No space left on device. Running the df -mcommand, 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 -icommand and notice the inode exhaustion
- B. Run the df -B command and notice the block size
- C. Run the df -h command and notice the space exhaustion
- D. Run the df -k command and notice the storage exhaustion
Answer: A
Explanation:
Explanation/Reference: https://www.tecmint.com/how-to-check-disk-space-in-linux/
NEW QUESTION 298
Which of the following is the template for the grub.cfg file?
- A. /etc/grub2.cfg
- B. /etc/sysct1.conf
- C. /boot/efi
- D. /etc/default/grub
Answer: D
Explanation:
Reference:
https://geek-university.com/linux/grub-version-2/
NEW QUESTION 299
A systems administrator is installing an HTTPD server on a Linux server and configuring it as a proxy server. The administrator runs the following commands to verify that the service is running:
However, the administrator is getting a 503 error when browsing to portal . company. internal. After reviewing the logs, the following error information is discovered:
Which Of the following commands BEST resolves the issue?
- A. Option D
- B. Option A
- C. Option C
- D. Option B
Answer: B
NEW QUESTION 300
A systems administrator is investigating low performance a server. After executing some diagnostic commands, the administrator analyzes the data:
Which of the following is the cause of low performance on the server?
- A. Lack of swap space
- B. Lack of available memory
- C. High disk activity
- D. User processes have taken up all the available CPU time
Answer: D
NEW QUESTION 301
A Linux server needs to be accessed, but the root password is not available.
Which of the following would BEST allow an administrator to regain access and set a new known password at the same time?
- A. Boot into a single-user mode and reset the password by editing the /etc/passwd file.
- B. Boot into a single-user mode and reset the password by editing the /etc/shadow file.
- C. Boot into a single-user mode and reset the password via the passwd command.
- D. Boot into a single-user mode and reset the password via the chage command.
Answer: C
NEW QUESTION 302
As a Systems Administrator, to reduce disk space, you were tasked to create a shell script that does the following:
Add relevant content to /tmp/script.sh, so that it finds and compresses rotated files in /var/log without recursion.
INSTRUCTIONS
Fill the blanks to build a script that performs the actual compression of rotated log files.
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 303
A Linux administrator needs to back up the folder /usr/domain, and the output must be a gzip compressed tar. Which of the following commands should be used?
- A. tar -cxzv /usr/domain domain.tar.gz
- B. tar -cv domain.tar.gz /usr/domain
- C. tar -cvf /usr/domain domain.tar.gz
- D. tar -czvf domain.tar.gz /usr/domain
Answer: D
Explanation:
Reference:
https://help.ubuntu.com/community/BackupYourSystem/TAR
NEW QUESTION 304
A Linux administrator needs to change the permission on a script so that he owner has permission to execute. Which of the following BEST accomplishes this task?
- A. Chmod ug=script,sh
- B. Chmod 0644 script,sh
- C. Chmod u+x script,sh
- D. Chmod -x script,sh
Answer: A
NEW QUESTION 305
A Linux administrator must identify a user with high disk usage. The administrator runs the # du -s /home/* command and gets the following output:
Based on the output, User3 has the largest amount of disk space used. To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?
- A. du -sh /home/User/
- B. df -k /home/User/files.txt
- C. du -a /home/User3/*
- D. find . -name /home/User3 -print
Answer: A
NEW QUESTION 306
An administrator is attempting to block SSH connections to 192.168.10.24 using the Linux firewall. After implementing a rule, a connection refused error is displayed when attempting to SSH to 192.168.10.24.
Which of the following rules was MOST likely implemented?
- A. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j FORWARD
- B. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j REFUSE
- C. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j DROP
- D. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j REJECT
Answer: D
Explanation:
Reference:
https://www.golinuxhub.com/2014/03/how-to-allowblock-ssh-connection-from.html
NEW QUESTION 307
A user wants to alias dir so it always returns the contents of the ls -la command. However, the user has to reset the alias with every login.
Which of the following is the BEST action the user can take to ensure the command is always available?
- A. echo "alias dir=ls -la" >> ~/.profile
- B. echo "alias dir=ls -la" > ~/.bashrc
- C. echo "alias dir=ls -la" >> /etc/skel
- D. echo "alias dir=ls -la" > /etc/profile
Answer: A
NEW QUESTION 308
A technical support engineer receives a ticket from a user who is trying to create a 1KB file in the /tmp directory and is getting the following error No space left on device. The support engineer checks the /tmp directory, and it has 20GB of free space.
Which of the following BEST describes a possible cause for this error?
- A. The /tmp directory has been set with an immutable attribute.
- B. the filesystem ran out of inodes.
- C. The /tmp directory is not mounted.
- D. The filesystem is formatted with a 4MB block size.
Answer: B
Explanation:
Reference:
https://www.maketecheasier.com/fix-linux-no-space-left-on-device-error/
NEW QUESTION 309
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. ~/.ssh/authorized_keys
- B. /etc/authorized_keys
- C. /etc/sshd/ssh.conf
- D. ~/ssh/authorized-keys
Answer: A
NEW QUESTION 310
A junior administrator is migrating a virtual machine from a Type 1 hypervisor to a Type 2 hypervisor. To ensure portability, which of the following formats should the administrator export from the Type 1 hypervisor to ensure compatibility?
- A. OWASP
- B. VDI
- C. VMDK
- D. OVA
Answer: D
Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-Fusion/11/com.vmware.fusion.using.doc/GUID-16E390B1-
829D-4289-8442-270A474C106A.html
NEW QUESTION 311
A Linux administrator tries to ping a hostname in a network but receives the message: hostname not
found. The administrator is sure the name exists on the network and wants to verify if the DNS server is
correctly configured on the client. Which of the following files should the administrator use to verify this
information?
- A. /etc/resolv.conf
- B. /etc/named.conf
- C. /etc/nsswitch.conf
- D. /etc/network
Answer: A
NEW QUESTION 312
......
Exam Engine for XK0-004 Exam Free Demo & 365 Day Updates: https://www.actual4cert.com/XK0-004-real-questions.html
Test Engine to Practice Test for XK0-004 Valid and Updated Dumps: https://drive.google.com/open?id=10YVTdWqX5u02TOMuZ_NAmCG5TNpLBkdV