CompTIA XK0-004 Dumps - The Sure Way To Pass Exam
XK0-004 Exam Questions (Updated 2021) 100% Real Question Answers
NEW QUESTION 22
A systems administration team has decided to their systems as immutable instances. They keep the desired state of each of their systems in version control and apply automation whenever they provision a new instance.
If there is an issue with one of their servers, instead of troubleshooting the issue they terminate the instance and rebuild it using automation.
Which of the following is this an example of?
- A. Infrastructure as code
- B. Inventory
- C. Orchestration
- D. Agentless deployment
Answer: A
NEW QUESTION 23
A Linux administrator needs to take stock of USB devices attached to the system.
Which of the following commands would be BEST to complete this task?
- A. modprobe --usb
- B. lspci
- C. lsusb
- D. cat /proc/USB
Answer: C
Explanation:
Reference:
https://linuxhint.com/list-usb-devices-linux/
NEW QUESTION 24
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 REJECT
- B. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j FORWARD
- 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 REFUSE
Answer: A
Explanation:
Reference:
https://www.golinuxhub.com/2014/03/how-to-allowblock-ssh-connection-from.html
NEW QUESTION 25
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 *** 1 hello.sh
- C. 1 *** 0 hello.sh
- D. 0 24 ** Monday hello.sh
Answer: A
NEW QUESTION 26
A junior Linux administrator is setting up system-wide configuration settings. The goal is to ensure the PATH environment variable includes the following locations for all users who log into a Linux system.
The administrator issues the following commands at the terminal:
Respectively, the output of these commands is as follows:
Given this output, which of the following would be the BEST action for the administrator to perform to address this issue?
- A. Update the /etc/profile file using a text editor navigate to the PATH element, add the missing locations, and restart the bash process to update the changes.
- B. Update the /etc/profile.d file using a text editor, navigate to the PATH element, add the missing locations, and reboot to update the changes.
- C. Update the /etc/profile file using a text editor, navigate to the PATH element, add the missing locations and run the . /etc/profile command to update the changes.
- D. Update the /etc/profile.d file using a text editor, navigate to the PATH element add the missing locations, and run the bash_completion.sh script to update the changes.
Answer: C
NEW QUESTION 27
Which of the following commands will let a Linux user know the PCI devices that are installed in the system?
- A. lsdev
- B. cat /proc/devices/pci
- C. cat /proc/sys/dev
- D. lspci
Answer: D
Explanation:
Reference:
https://opensource.com/article/19/9/linux-commands-hardware-information
NEW QUESTION 28
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 creating administrator task shortcuts.
- B. It provides a method to partition a hard drive.
- C. It provides a method to pass parameters to the Linux kernel on startup.
- D. It provides a menu for running special shell scripts.
Answer: D
NEW QUESTION 29
A Linux administrator receives a call from the network operations team that one of the database applications is down on a Linux server. The Linux server is configured with RAID 1 for redundancy, and the array /dev/md0 consists of two devices called /dev/sda1 and /dev/sdb1. After looking at the status of the RAID 1 array in the /proc/mdstat file, the administrator discovers the RAID 1 array is degraded and the disk /dev/sdb1 on which the database application was installed appears to have failed.
Which of the following steps should the administrator take to remove the device /dev/sdb1 from the RAID array md0? (Choose two.)
- A. racadm --remove /dev/sdb1
- B. mdadm /dev/md0 --remove /dev/sdb1
- C. mdadm /dev/sdb1 --fail /dev/md0
- D. mdadm /dev/sdb1 --remove /dev/md0
- E. mdadm /dev/md0 --fail /dev/sdb1
- F. racadm --fail /dev/sdb1
Answer: B,E
NEW QUESTION 30
An administrator wants to know the amount of memory installed on a Linux server. Which of the following commands can be used to accomplish this task?
- A. cat /proc/sys/meminfo
- B. cat /sys/proc/meminfo
- C. cat /proc/meminfo
- D. cat /sys/meminfo
Answer: D
Explanation:
Reference:
20command%20in,use%20the%20"free"%20command.&text=As%20you%20can%20see%2C%20the,(also%
20called%20virtual%20memory)
NEW QUESTION 31
A Linux administrator attempts to install the package newprogram.x86_64.rpm using a package manager.
The administrator receives a warning indicating the command that was run was using a deprecated package manager. Which of the following commands should the administrator use to avoid the warning and install the newprogram.x86_64.rpm program?
- A. # rpm -e newprogram.x86_64.rpm
- B. # apt-get install newprogram.x86_64.rpm
- C. # dpkg -i newprogram.x86_64.rpm
- D. # dnf install newprogram.x86_64.rpm
Answer: A
NEW QUESTION 32
A systems administrator manually added a new library to the server. The administrator wants to rebuild the library cache for immediate use.
Which of the following commands should the systems administrator run to achieve this goal?
- A. make install
- B. ldconfig
- C. ldd
- D. make
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 33
A Linux administrator needs to add some files in a directory to the Git repository but must exclude some local
.tmp files that are occasionally created by the scripts.
Which of the following is the BEST way to accomplish this task?
- A. echo .tmp >> .gitignore
- B. rm -rf .tmp
- C. git add -x .tmp *
- D. git rm .tmp
Answer: A
Explanation:
Explanation/Reference: https://stackoverflow.com/questions/46383506/add-files-to-gitignore-directly-from-git-shell
NEW QUESTION 34
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 REJECT
- B. iptables -A -p tcp -d 192.168.10.24 -dropt 22 -j FORWARD
- 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 REFUSE
Answer: A
Explanation:
Explanation/Reference: https://www.golinuxhub.com/2014/03/how-to-allowblock-ssh-connection-from.html
NEW QUESTION 35
A Linux administrator is using a public cloud provider to host servers for a company's website. Using the provider's tools, the administrator wrote a JSON file to define how to deploy the servers. Which of the following techniques did the administrator use?
- A. Automated configuration
- B. Infrastructure as code
- C. Build automation
- D. Platform as a service
Answer: C
NEW QUESTION 36
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. VNC
- B. X11
- C. RPC
- D. KDE
Answer: A
NEW QUESTION 37
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 38
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. echo $LC_ALL
- B. stty
- C. export LANG = en_US.UTF-8
- D. locale
- E. cat $LC_ALL
- F. export $LANG = en_US.UTF
Answer: C,D
Explanation:
Explanation/Reference: https://www.tecmint.com/set-system-locales-in-linux/
NEW QUESTION 39
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 40
A junior systems administrator created a new filesystem /dev/sda1with mountpoint /dataand added it to the /etc/fstabfor auto-mounting.
When the systems administrator tries to mount the file system, the system refuses. Given the output below:
Which of the following steps is necessary?
- A. Change the dump column to 1 and run the mount -acommand.
- B. Change the filesystem from /dev/sda1to /dev/sda2and reboot.
- C. Change the mount point to data and reboot.
- D. Change the options to auto,dev,sync,rw,nosuidand run the mount -acommand.
Answer: D
NEW QUESTION 41
......
Benefits of the CompTIA Linux+ Certification
Given that Linux is becoming one of the most developing areas in the IT field, the CompTIA Linux+ certification indicates that an individual has all the right qualifications in a specific field. Beyond that here are a few benefits of possessing the certificate:
- CompTIA Linux+ is vendor-neutral, that is why the skills and knowledge gained in preparing for its test can be applied to different systems. In other words, you will be able to effectively work with other tools that have UNIX and macOS.
- Few IT experts have Linux certification. A recent study indicated that major IT openings had less or no individuals with such accreditation during a job search. In view of this, with Linux+, your application will be among the first.
- It puts you ahead of others in the professional sphere. Particularly now that the job market in the IT industry requires one to have valuable skills, with Linux+, you are certain to have an edge over competitors for the position you seek.
Target audience and recommended experience
If you are an IT professional who needs to gain skills in using Linux to manage everything from smartphones and cars to supercomputers and servers, you will get a lot of benefits from pursuing this pathway.
All the potential candidates should have the relevant knowledge of how to deal with different tasks, such as basic maintenance, networking, configuration and installation of workstations, as well as usage of the Linux command line. Besides that, you need to have the CompTIA A+ and CompTIA Network+ certifications and gain about a year of working as a Linux Administrator.
Pass CompTIA XK0-004 Exam Quickly With ExamsReviews: https://www.examsreviews.com/XK0-004-pass4sure-exam-review.html
Prepare XK0-004 Question Answers - XK0-004 Exam Dumps: https://drive.google.com/open?id=17Jh13NWSoamI3jFX0amtg34x8s9yZ8jd