CompTIA XK0-004 Online Practice Questions and Exam Preparation

CompTIA XK0-004 Online Questions & Answers

• Question 341:

  A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?

  A. cd /etc ln -s /usr/share/zoneinfo/US/Pacific localtime
  B. cd /usr/local ln -s /usr/share/zoneinfo/US/Pacific zoneinfo
  C. cd /etc/local ln -s /usr/share/zoneinfo/US/Pacific localtime
  D. cd /usr/share/local ln -s /usr/share/zoneinfo/US/Pacific localectl
  A. cd /etc ln -s /usr/share/zoneinfo/US/Pacific localtime

• Question 342:

  Which of the following techniques would BEST allow a client computer to connect to a server that is not normally accessible because the server's application port is blocked by a firewall?

  A. X11 forwarding
  B. TCP wrappers
  C. RDP
  D. SSH port forwarding
  D. SSH port forwarding

• Question 343:

  A Linux administrator configured several network interfaces to be used for backup. The administrator entered the following commands:

  

  After the last command, a new interlace appeared as connected and worked until the Linux system was rebooted. After the reboot, the Interface did not connect properly. Which of the following configuration changes are needed to ensure that the Interface connects automatically?

  A. The backup Interface should be reconfigured with a / 2 4 subnet mask.
  B. autoconnect yes should be added to the interface configuration.
  C. mcli conn up backup should be executed
  D. ip link set eth1 should be performed.
  A. The backup Interface should be reconfigured with a / 2 4 subnet mask.

• Question 344:

  Which of the following will boot from a network-hosted ISO image at power on?

  A. PXE
  B. FTP
  C. iSCSI
  D. NFS
  A. PXE

• Question 345:

  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
  D. OVA

  ---

  Reference: https://docs.vmware.com/en/VMware-Fusion/11/com.vmware.fusion.using.doc/GUID- 16E390B1-829D-4289-8442-270A474C106A.html

• Question 346:

  A systems administrator wants to change the system locale to test a custom script. Which of the following commands should the administrator execute?

  A. export TZ=:/usr/share/zoneinfo/Europe/Paris
  B. ln -s /usr/share/zoneinfo/US/Central /etc/localtime
  C. export LC_ALL=en_GB.UTF-8
  D. TZ=GMT date
  C. export LC_ALL=en_GB.UTF-8

  ---

  Reference: https://unix.stackexchange.com/questions/259569/change-locale-in-script

• Question 347:

  A Linux administrator needs the "tech" account to have the option to run elevated commands as root. Which of the following commands would BEST meet this goal?

  A. $ su - tech -c "/bin/bash"
  B. # usermod -aG wheel tech
  C. # sudo -i tech
  D. # groupadd -u tech -g root
  B. # usermod -aG wheel tech

• Question 348:

  Two specific users need access to a directory owned by root where backups are located. Which of the following commands would BEST ensure the specified users can access the backup files?

  A. umask
  B. chcon
  C. chmod
  D. setfacl
  D. setfacl

• Question 349:

  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.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.
  B. 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.
  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.
  B. 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.

• Question 350:

  An administrator is examining the public Git repository for a newly synchronized program.

  

  The administrator notices the repository has a file in it that does not belong in the public repository. The administrator locally creates a file that will exclude id_rsa in the public repository. Which of the following part of commands should the administrator run to correct this issue?

  

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