Authentic CompTIA XK0-004 Exam Dumps PDF - 2023 Updated
Get Prepared for Your XK0-004 Exam With Actual 485 Questions
What Does XK0-004 Entail?
Passing the CompTIA XK0-004 test grants you the aforementioned CompTIA Linux+ certification, which will help you start a career as a Linux system administrator. It is among the most sought-after certificates currently offered by the vendor that validates your skills in monitoring, supporting, and configuring servers running on Linux OS. The CompTIA XK0-004 exam has a few prerequisites that you have to fulfill to be eligible for this certification. This includes the A+ or the Network+ certification and at least 9-12 months of experience administrating Linux. Also, this certification test covers a variety of topics like Systems Operation as well as Maintenance and Linux Diagnostics & Troubleshooting. In addition, you will need to possess a solid knowledge of System and Hardware Configuration, Automation alongside Scripting, and finally, Security. All in all, XK0-004 is 90 minutes long and consists of up to 90 questions. Answering so many questions in such a short time is not an easy task, so you will need to become an effective time manager. The questions can be of various types, such as fill-in-the-blank, multiple-choice, multiple-response, or performance-based. The passing score is 720 points, which should be your target when taking this test. As of now, the exam is available in the English language. A few other languages that include Spanish, Portuguese, and Japanese are coming soon. You should also know that XK0-004 test costs $329 and you need to apply for it on the Pearson VUE platform.
CompTIA Linux+ Certified IT Professional. Exam Overview
Exam XK0-004 issued by CompTIA will verify your knowledge of Linux OS from a vendor-neutral viewpoint. It covers all the key aspects of Linux Server Administration, networking, and security concepts. Therefore, if your goal is to become a CompTIA Linux+ certified expert in the IT field, apply for this test, as sitting for it only takes a maximum of an hour and a half.
However, after the last update, the new exam version has more focus on kernel modules, security, device management, storage and virtualization, git and automation, server and command line alongside networking and firewalls, and many other vital areas of Linux systems.
XK0-004 test costs $338 and is available in English. But, it will soon be available in Portuguese, Japanese, and Spanish too. Then, all standard rules regarding tests apply. You should expect not to have any learning materials with you during XK0-004 exam. Once you are done with it, your results will be communicated to you via email. It should be kept in mind that the test score is based on a scale of 100 to 900, and for you to pass, you should attain at least 720.
The exam includes various questions, such as performance-based, multiple responses, multiple-choice, and fill-in-the-blank. The overall total number of items is not more than 90.
CompTIA Linux+ XK0-004 Practice Test Questions, CompTIA Linux+ XK0-004 Exam Practice Test Questions
The CompTIA XK0-004 exam is associated with the Linux+ certification that is an ideal choice for those who want to prepare themselves to work with Linux and get high-quality skills. It is an option from the Infrastructure series of the certificates that CompTIA offers in its program. A vast number of companies use Linux in cybersecurity, Cloud, web administration, and mobile applications, which means that this certification will help your career in any case.
NEW QUESTION 108
A Linux engineer is troubleshooting a newly added SCSI device for a Linux server that needed more disk space without rebooting. The engineer discovers that the new device is not visible by the Linux kernel in fdisk -l output. Which of the following commands should be used to rescan the entire SCSI bus?
- A. echo "- - -" > /sys/class/scsi_host/host0/scan
- B. echo "- - -" > /sys/scsi/scsi_host/host0/scan
- C. echo ' ' > /sys/class/scsi_host/host0/scan
- D. echo "scan" > /sys/class/scsi_host/host0/scan
Answer: A
Explanation:
Reference:
https://geekpeek.net/rescan-scsi-bus-on-linux-system/
NEW QUESTION 109
Which of the following statements BEST represents what the term "agentless" means regarding orchestration?
- A. It facilitates version control when using infrastructure as code during orchestration
- B. It automatically removes malware from the remote system during orchestration
- C. A tool can only be accessed remotely to perform orchestration tasks
- D. Installation of a tool is not required on the remote system to perform orchestration tasks
Answer: D
Explanation:
Explanation/Reference: https://whatis.techtarget.com/definition/agentless
NEW QUESTION 110
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 50
- B. RAID 10
- C. RAID 01
- D. RAID 03
Answer: B
NEW QUESTION 111
While trying to access a website hosted on the server, the systems administrator receives the following error message:
The administrator then performs some diagnostics:
Which of the following commands should the administrator use to fix the issue?
- A. restorecon /var/www/html/website/index.html
- B. chmod -R 777 /var/www/website
- C. chown -R www:www /var/www/website
- D. chcon -t httpd_sys_content_t /etc/httpd
Answer: A
NEW QUESTION 112
A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults.
Typing "help" in the terminal will show a list of relevant commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
CentOS Command Prompt
- A. Solution below.
- B. Solution below.
Answer: A
NEW QUESTION 113
A systems administrator wants to disable the Linux Kernel WatchDog Timer Driver for security purposes.
Which of the following will accomplish this task?
- A. Add blacklist watchdog to the /etc/modprobe.d/blacklist file.
- B. Add watchdog=0 to the /etc/modprobe.conf file.
- C. Remove the watchdog=1 from the /usr/modules/watchdog.conf file.
- D. Rename the /etc/modprobe.d/watchdog file to watchdog.off instead.
Answer: A
NEW QUESTION 114
A systems administrator is unable to reach other devices on the network and the Internet. The server is configured with the IP address 192.169.1.50/24 on eth0. The server's router is 192.168.1.1. The administrator reviews the output of route -n:
Which of the following commands should the administrator run to correct the issue?
- A. route add -net 192.168.10.0 netmask 255.255.255.0 gw 192.168.2.1 eth0
- B. route host gw 192.168.1.1 eth0
- C. route add 192.168.1.1 default 192.168.1.50 eth0
- D. route del default gw 192.168.2.1 eth0; route add default gw 192.168.1.1 eth0
Answer: A
NEW QUESTION 115
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. traceroute
- C. dig
- D. nmap
Answer: B
NEW QUESTION 116
A server technician deployed ten ctoned Linux devices in an organization. When testing network functionality of the devices, the technician notices the cloned devices have identical hostnames. Which of the following commands si hostnames of the devices permanently'?
- A. Issue the nslookup command
- B. Edit the /etc/sysconfig/network file.
- C. Issue the host- command
- D. Edit the 'etc/dhcp/dhclient .conf file.
Answer: B
NEW QUESTION 117
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. X11
- B. VNC
- C. KDE
- D. RPC
Answer: B
NEW QUESTION 118
A user, jsmith, needs access to database files located on a server. Which of the following will add jsmith to the
"dba" group and preserve existing group memberships?
- A. usermod -g dba jsmith
- B. groupmod dba -u jsmith
- C. usermod -a -G dba jsmith
- D. useradd -g dba jsmith
Answer: C,D
Explanation:
Explanation
According to the reference given below. Both AC is correct.
NEW QUESTION 119
An analyst is trying to determine which public IP addresses are managed by Company A, but the script is not working correctly.
Which of the following explains what is wrong with the script?
- A. $(cat ip-list.txt)should be changed to `cat ip-list.txt`in the forstatement.
- B. The -neflag should be changed to -eqin the ifstatement.
- C. The >should be changed to 2>in the dostatement.
- D. The forshould be changed to whilein the loop.
Answer: A
NEW QUESTION 120
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. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: D
NEW QUESTION 121
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 run the . /etc/profile command 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 run the bash_completion.sh script to update the changes.
- C. 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.
- D. 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.
Answer: A
NEW QUESTION 122
Which of the following server roles is MOST appropriate to route files to multifunction devices?
- A. Router
- B. Web server
- C. Proxy
- D. Print server
Answer: D
NEW QUESTION 123
A new HTTPS web service is being deployed on a server. Which of the following commands should the Linux administrator use to ensure traffic is able to flow through the system firewall to the new service?
- A. iptables -A INPUT -p tcp --dport 443 -j ACCEPT
- B. iptables -I INPUT --dport 443 -j ACCEPT
- C. iptables -I OUTPUT -p tcp --sport 443 -j ACCEPT
- D. iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT
Answer: B
NEW QUESTION 124
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. 0 24 ** Monday hello.sh
- D. 1 *** 0 hello.sh
Answer: A
Explanation:
Reference:
https://www.debian.org/doc/manuals/system-administrator/ch-sysadmin-time.html
NEW QUESTION 125
A Linux administrator suspects unauthorized users are attempting to log in to the Linux server remotely. Which of the following should the administrator check FIRST?
- A. /var/log/messages
- B. /var/log/dmesg
- C. /var/log/secure
- D. /var/log/kern.log
Answer: C
Explanation:
What's logged?
RedHat and CentOS based systems use this log file instead of /var/log/auth.log. It is mainly used to track the usage of authorization systems. It stores all security related messages including authentication failures. It also tracks sudo logins, SSH logins and other errors logged by system security services daemon.
NEW QUESTION 126
......
Accurate & Verified New XK0-004 Answers As Experienced in the Actual Test!: https://www.validtorrent.com/XK0-004-valid-exam-torrent.html
Valid XK0-004 Test Answers Full-length Practice Certification Exams: https://drive.google.com/open?id=1lV2RbETQMKuk3_WJNOEJjo24OucXsdiz