CompTIA Linux+

368 XK0-004 dumps in preparation for CompTIA Linux+ exam success

XK0-004 dumps prepare 368 real and valid exam questions and answers according to actual requirements, preparing for the CompTIA Linux+ Certification exam you are eager to get.

You don’t need to be too nervous, it’s not difficult for us to get 720 points in 90 minutes. Use the Lead4Pass XK0-004 dumps: to help you successfully pass the CompTIA Linux+ Certification exam under the rules. By the way, the XK0-004 dumps contain both PDF and VCE learning methods, which are simple and convenient, improve your learning speed and help you successfully pass the CompTIA Linux+ Certification exam on the first try.

So, first, take a look at the XK0-004 free dumps

The questions for XK0-004 were last updated on April 18, 2022.

Viewing questions 1-13 out of 368 questions:


A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate. The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?

A. nice -n 5 -p 2864
B. nice -n -5 -p 2864
C. renice -n 10 -p 2864
D. renice -n -10 -p 2864

Correct Answer: C


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 -I OUTPUT -p tcp –sport 443 -j ACCEPT
B. iptables -A INPUT -p tcp –dport 443 -j ACCEPT
C. iptables -I INPUT –dport 443 -j ACCEPT
D. iptables -A OUTPUT -p tcp –dport 443 -j ACCEPT

Correct Answer: C


The following represents a partial listing of a user\’s .bashrc file: HISTSIZE=800 HISTFILESIZE=1000
umask 2002 HISTCONTROL=ignoreboth When the user opens a terminal, an error message appears: Octal number out of range Which of the following lines in the partial .bashrc should be modified to prevent the error from occurring?

C. umask 2002
D. HISTCONTROL=ignoreboth

Correct Answer: C


A user needs to modify the IP address of a laptop. Which of the following files can be used to configure the network interface named eth0?

A. /etc/sysconfig/network/interfaces.cnf
B. /system/config/interfaces
C. /etc/sysconfig/network-scripts/ifcfg-eth0
D. /system/networking/ifconfig
E. /etc/interfaces/eth0.conf

Correct Answer: C


Users in the payroll department are not configured to use DNS due to security concerns. The users ask the junior Linux administrator to configure their workstations to access the payroll server at by the name “Payroll”.
Which of the following commands should the administrator issue meet this request?

A. echo “nameserver #Payroll” >> /etc/resolv.conf
B. echo “net.ipv4.ip_dynaddr= Payroll” >> /etc/sysctl.conf
C. echo “ Payroll” >> /etc/hosts
D. echo `IPADDR=”″ #Payroll\’ >> /etc/network/interface

Correct Answer: C


An administrator receives a USB drive and wants to make an exact copy of the disk before starting to work on it. One of the partitions on the USB drive was mounted as /dev/sdc1. Which of the following commands should the administrator use?

A. dd if=/dev/sdc of=~/usb_copy.img bs=512
B. dd if=/dev/sdc1 of=~/usb_copy.img count=1024
C. dd if=/dev/sdc1 of=~/usb_copy.img bs=1024
D. dd of=/dev/sdc if=~/usb_copy.img bs=1M

Correct Answer: C


A Linux administrator is helping the security team troubleshoot an SELinux policy violation incident. Which of the following would be the BEST utility command to display SELinux violation and AVC denial messages?

A. journalctl | grep sealert
B. sealert -a /var/log/audit/audit.log
C. aureport | grep AVC
D. cat /var/log/messages | grep selinux

Correct Answer: B


A server is almost out of free memory and is becoming unresponsive. Which of the following sets of commands will BEST mitigate the issue?

A. free, fack, partprobe
B. lsof, lvcreate, mdadm
C. df, du, rmmod
D. fdisk, mkswap, swapon -a

Correct Answer: D


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/class/scsi_host/host0/scan
C. echo “- – -” > /sys/scsi/scsi_host/host0/scan
D. echo “scan” > /sys/class/scsi_host/host0/scan

Correct Answer: A


A systems administrator has set up third-party log aggregation agents across several cloud instances. The systems administrator wants to create a dashboard of failed SSH attempts and the usernames used. Which of the following files should be watched by the agents?

A. /var/log/audit/audit.log
B. /var/log/kern.log
C. /var/log/monitor
D. /etc/rsyslog.conf

Correct Answer: A


An administrator needs to mount the shared NFS file system testhost:/testvolume to mount point/mnt/testvol and make the mount persistent after reboot. Which of the following BEST demonstrates the commands necessary to accomplish this task?

xk0-004 q11

A. Option A
B. Option B
C. Option C
D. Option D

Correct Answer: A


A junior systems administrator needs to make a packet capture file that will only capture HTTP protocol data to a file called test.pcap.
Which of the following commands would allow the administrator to accomplish this task?

A. netcat -p 80 -w test.pcap
B. tshark -r test.pcap -o http
C. tcpdump -i eth0 port 80 -r test.pcap
D. tcpdump -i eth0 port 80 -w test.pcap

Correct Answer: B


A server, which is used to collect data about the network and data center environment via SNMP, is running out of space. Which of the following should the server administrator implement to reduce disk utilization?

A. journald
B. Snapshots
C. logrotate
D. tar -cvf

Correct Answer: B


Use the XK0-004 dumps provided by Lead4Pass:, easy to learn, fast progress, to help you easily complete the CompTIA Linux+ Certification exam and achieve success.

CompTIA XK0-004 exam dumps questions and answers from Lead4pass

lead4pass certification

Correct CompTIA XK0-004 exam preparation method

How can I get CompTIA Linux+ certification in my first exam? If you want to get CompTIA Linux+ certification, you’re not
An easy thing to do! Choose the right choice and you’ll be successful easily! This is a risk and compliance exam and get a high salary, please read me carefully
By the end of the article, you’ll get the most valuable reward!

Every year, a very large number of people register themselves and take the CompTIA Linux+ certification exam. Take the XK0-004 certification exam for the first time
And the success rate is not very high! Now, you must want to be confident about preparing and passing the XK0-004 exam. All your questions and answers are at Lead4PassXK0-004 dumps.
Based on feedback from the XK0-004 syllabus and on-site exams, and our year-round update of questions and answers, easy to learn, easy to buy,
Help you pass exams very easily.

Information about CompTIA XK0-004 Exam

  • Vendor: CompTIA
  • Exam Code: XK0-004
  • Exam Name: CompTIA Linux+ Certification Exam
  • Certification: CompTIA Linux+
  • Total Questions: 268 Q&A
  • Exam Language: English
lead4pass exam

Lead4Pass CompTIA XK0-004 exam dumps in 3 formats

Lead4pass provides XK0-004 dumps in the form of XK0-004 PDF and VCE practice exams.
Lead4pass is 8 years old and we’ve helped thousands of aspiring people get CompTIA Linux+ certification. The candidates used us
XK0-004 dumps, and successfully obtained certification awards. You are still preparing for exam XK0-004, or you have failed. Lead4pass is an old shop, one worth it Trusted old store, choose lead4pass XK0-004 dumps to help every CompTIA Linux+ certification exam candidate successfully get certified.
Get a high salary!

CompTIA XK0-004 PDF exam

CompTIA XK0-004 dumps PDF, easy to use on all devices (mobile devices, pc devices, tablets)! You can go through all the operating systems
The device reads XK0-004 pdf exam questions. We also regularly update the pdf version of the CompTIA Linux+ exam to improve exam questions XK0-004.
Passing your CompTIA Linux+ exam certification is the first step to successful certification. XK0-004 pdf can help you easily learn and pass the XK0-004 exam.

CompTIA XK0-004 VCE exam

VCE tools are tools created by professional developers of Led4Pass and are easy to use at XK0-004 VCE! Easy to operate! More features and easier!
CompTIA XK0-004 dumps VCE for ease of use on all devices (mobile devices, pc devices, tablets)! You can go through all the operating systems
The device reads XK0-004 VCE exam questions. We also regularly update the VCE version of the CompTIA Linux+ exam to improve the XK0-004 exam questions.
Passing your CompTIA Linux+ exam certification is the first step to successful certification. XK0-004 VCE can help you easily learn and pass the XK0-004 exam.

Our third XK0-004 exam format is recommended (pdf + vce)

Improve the success rate of the XK0-004 exam, and learn efficiently we have introduced the (PDF And VCE) model! This is a feature of the Lead4Pass XK0-004 practice test.
This makes our software unique. To pass the CompTIA Linux+ exam certification with good grades, you should select the XK0-004 exam
a key technology. Be sure to practice these techniques with confidence to sit in the exam room. Based on CompTIA XK0-004 (PDF And VCE) exam questions and answers can help you
Learn how to answer the final XK0-004 question within the set time. After trying to simulate an exam, you will learn all the key exam techniques.

lead4pass dumps

Share some of the XK0-004 online practice tests for free:

Lead4pass XK0-004 exam discount code

We know that thousands of candidates around the world take the CompTIA XK0-004 exam, but not everyone has enough exam balances!
So Lead4pass shares timely and effective XK0-004 exam discount codes throughout the year to help more people in need save more money!
Lead4pass has always been the highest test value for money across the network! We have a small profit and more sales! Serve more people in need!

comptia discount code

CompTIA XK0-004 Dumps with Free Updates and Refund Guaranty

I keep mentioning that Lead4pass is an old store, which is our pride, we serve thousands of new and old customers! They prefer to use The Lead4Pass XK0-004 exam dumps as it is by ours
CompTIA exam experts design and long-term word-of-mouth cast results! Choosing Lead4pass PDF and VCE (Practice Exam) will help you get the most out of your exam and help
You save more on learning practices and get the latest exam tips. Successfully passing the CompTIA XK0-004 exam will not only help you gain certification but will also help you stand out and achieve higher levels in your career
Return! Our XK0-004 exam preparation materials are created by the latest exam question updates that are fed back in each practice exam! CompTIA Linux+ experts are available to update and change the latest exam questions and answers.
If the purchase of our products after the change, within 60 days of purchase to obtain a replacement of the product. Most importantly, if you first try to pass our study materials and fail the exam we will buy them for you
A full refund is available for the product. Our sole purpose is to help you pass the exam.