Latest [Nov 05, 2022] Real CompTIA XK0-004 Exam Dumps Questions
XK0-004 Dumps To Pass Linux+ Exam in One Day (Updated 407 Questions)
Linux remains to make significant inroads in the mainstream IT world, proving to be a practical and economical solution to day-to-day activities. As many companies adopt this operating system, the need for qualified and skilled Linux IT professionals is on the upsurge. For this reason, earning the CompTIA Linux+ certification is beneficial as it is the critical qualification validating an IT professional as well equipped.
This certificate covers all the necessary skills required to fix and run the Linux Operating System, including file permissions, user administration, the management of Linux systems, and fundamental concepts software configurations. Also, CompTIA recommends you pass XK0-004 exam before you can proceed to advanced certifications from Linux, Oracle, or Novell.
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.
NEW QUESTION 152
Ann, a junior systems administrator, is required to add a line to the /etc/yum.conf file. However, she receives the following error message when she tries to add the line:
Ann performs some diagnostics to attempt to find the root cause:
Which of the following commands should Ann execute to write content to /etc/yum?
- A. setenforce 0
- B. chattr -I /etc/yum.conf
- C. setfacl -m m:rw /etc/yum.conf
- D. chmod 755 /etc/yum.conf
Answer: B
Explanation:
https://www.linuxtoday.com/upload/5-chattr-commands-to-make-important-files-immutable-unchangeable-in-linux-141004025008.html
NEW QUESTION 153
A user issues the following command:
ls -l /var/log | egrep -e '^d[rwx]{3}.*[rw-]{3}.*'
The list of files in the system is shown below:
Which of the following results matches the command issued?
- A. drwxr-xr-x 2 root root 4096 Apr 24 08:36 apt
drwxr-xr-x 2 root root 4096 Apr 9 14:25 dist-upgrade
drwxr-x--- 2 root adm 4096 Apr 25 14:41 unattended-upgrades - B. drwxr-xr-x 2 root root 4096 Apr 24 08:36 apt
drwxr-xr-x 2 root root 4096 Apr 9 14:25 dist-upgrade
drwxr-x--- 2 root adm 4096 Apr 25 15:41 attended-upgrades - C. drwxr-x--- 2 root adm 4096 Apr 25 14:41 unattended-upgrades
drwxr-x--- 2 root adm 4096 Apr 25 15:41 attended-upgrades - D. -rw-r--r-- 1 root root 2877 Apr 24 14:14 alternatives.log
-rw-r--r-- 1 syslog adm 246139 Jun 12 15:21 cloud-init.log
-rw-r--r-- 1 root root 8872 Jun 12 15:21 cloud-init-output.log
Answer: D
NEW QUESTION 154
An administrator is setting UP a NAT gateway. Two interfaces have been configured:
The firewall configuration has been completed:
The IP forwarding configuration parameter is:
When testing the NAT from a workstation, the administrator encounters an issue:
Which of the following is the MOST likely cause of the packet loss?
- A. The MASQUERADE source and destination are in the incorrect order,
- B. IPv4 forwarding has not been enabled on the NAT gateway
- C. The firewall is blocking the connection.
- D. The etho interface is wrong.
Answer: A
NEW QUESTION 155
Which of the following will boot from a network-hosted ISO image at power on?
- A. FTP
- B. iSCSI
- C. NFS
- D. PXE
Answer: D
NEW QUESTION 156
A systems administrator notices several intensive tasks executing from users Joe and Ann. These processes are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?
- A. strace -u joe ann
- B. nohup -u joe ann
- C. pkill -u joe ann
- D. renice 11 -u joe ann
Answer: D
Explanation:
Explanation/Reference: https://www.computerhope.com/unix/renice.htm#:~:text=On%20Unix%2Dlike%20operating%
20systems,the%20Linux%20version%20of%20renice
NEW QUESTION 157
A Linux administrator needs to schedule a cron job to run at 1:15 p.m. every Friday to report the amount of free disk space on the system and to send the output to a file named "freespace". Which of the following would meet this requirement?
- A. 15 13 * * 5 df > /freespace
- B. 15 1 * * 6 df > /freespace
- C. 15 13 6 * * df > /freespace
- D. 13 15 * * 5 df > /freespace
Answer: D
NEW QUESTION 158
A member of the production group issues the following command:
echo "Monday through Friday" > /production_docs/days
The command fails to execute, so the user obtains the following output:
drwxr--r-- root production 0 Jun 16 2018 production
-rw-r--r-- production production 4096 Jun 14 2018 days
Which of the following commands should the user execute to BEST fix the issue?
- A. chown production to change the ownership of the production_docs directory
- B. chmod g+w production to change the permissions of the days file
- C. chmod g+S production to set the GUID on the production_docs directory
- D. chgrp root production_docs/days to change the group ownership of the production_docs/
days file
Answer: A
NEW QUESTION 159
Which of the following BEST describes containers running on a Linux system?
- A. Containers only need the cgroups functionality for running on a Linux system. Namespaces is not a Linux kernel functionality needed for creating and managing containers.
- B. Containers only need the namespaces functionality to run on a Linux system available since kernel 2.6.
- C. Containers use the cgroups and namespaces functionalities to isolate processes and assign hardware resources to each of those isolated processes.
- D. Containers need a hypervisor to run on a Linux system. Cgroups namespaces are functionalities used for the kernel but not for running containers.
Answer: C
Explanation:
Explanation/Reference: https://www.linuxjournal.com/content/everything-you-need-know-about-linux-containers-part-ii- working-linux-containers-lxc
NEW QUESTION 160
A systems administrator has scheduled a system update for a server. The update includes a resynchronization
of the package database and updates to the current packages and the system distribution packages. Which of
the following commands contains the proper order of this update?
- A. apt-get upgrade, apt-get dist-upgrade, apt-get update
- B. apt-get update, apt-get dist-upgrade, apt-get upgrade
- C. apt-get update, apt-get upgrade, apt-get dist-upgrade
- D. apt-get dist-upgrade, apt-get upgrade, apt-get update
Answer: C
NEW QUESTION 161
A security team informs the Linux administrator that a specific sever is acting as a n pen relay. To which of the following is the security team referring?
- A. The server is acting as a web proxy and allowing outside unauthenticated sources to connect to the server, effectively hiding tie source's IP address for malicious activities.
- B. The server has an email service configured to allow outside sources to send email to other external parties on the internet without validation.
- C. The server is acting as an unmanaged router, open to the internal and is allowing outside internet traffic into the network with on filtering.
- D. The server it running the SSH service and is open to the internet allowing outside sources to log in to the server without source IP address filtering.
Answer: B
NEW QUESTION 162
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. VDI
- B. OVA
- C. VMDK
- D. OWASP
Answer: B
Explanation:
Reference:
https://docs.vmware.com/en/VMware-Fusion/11/com.vmware.fusion.using.doc/GUID-16E390B1-829D-4289-8442-270A474C106A.html
NEW QUESTION 163
An administrator is uncomfortable allowing users to log in as root. Which of the following ensures that root logins are disallowed?
- A. usermod -G root
- B. usermod -L root
- C. usermod -U root
- D. usermod -B root
Answer: A
Explanation:
Reference:
https://web.mit.edu/rhel-doc/4/RH-DOCS/rhel-sg-en-4/s1-wstation-privileges.html
NEW QUESTION 164
A systems administrator needs to retrieve specific fields from a CSV file. Which of the following tools would accomplish this task?
- A. echo
- B. sort
- C. awk
- D. print
Answer: C
Explanation:
Explanation/Reference: https://stackoverflow.com/questions/19602181/how-to-extract-one-column-of-a-csv-file
NEW QUESTION 165
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. renice -n 10 -p 2864
- B. nice -n -5 -p 2864
- C. renice -n -10 -p 2864
- D. nice -n 5 -p 2864
Answer: A
NEW QUESTION 166
Which of the following can be used to boot a DVD from a remote device to initialize a Linux system setup on bare metal hardware as if it is a local DVD?
- A. UEFI
- B. PXE
- C. GRUB
- D. NFS
Answer: A
Explanation:
Explanation/Reference: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/installation_guide/ ch-boot-x86
NEW QUESTION 167
An administrator needs to look at a log for an application on a systemd-based system. There is no log for this application in /var/log. Which of the following is another way to view the application log on this system?
- A. tail -f /var/log/secure
- B. journalctl -u application
- C. watch /var/lib/application/
- D. systemctl application.service
Answer: D
NEW QUESTION 168
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XK0-004 Exam Brain Dumps - Study Notes and Theory: https://www.torrentexam.com/XK0-004-exam-latest-torrent.html
