CompTIA XK0-004 Online Practice Questions and Exam Preparation

CompTIA XK0-004 Online Questions & Answers

• Question 131:

  A system administrator is setting up a cron job that will copy thousands files from a remote directory on a scheduled basic. The file contents should retain their original permissions, including and group ownership, and the cron job should run for the least amount of the possible. Which of the following is the BEST program to use in this situation?

  A. Rsync
  B. Curl
  C. Scp
  D. Wget
  E. sftp
  A. Rsync

• Question 132:

  HOTSPOT

  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.

  Hot Area:

  

  

• Question 133:

  A Linux administrator is troubleshooting an issue with a shell script. Users in the accounting department are unable to run the script, but users in the sales department are not having issues. Users in both departments should be able to run the script. The administrator checks the permissions on the script and receives the following information:

  -r-xr-xr-- joe sales script.sh

  Which of the following commands should the administrator execute to resolve the problem?

  A. chgrp accounting script.sh
  B. chmod 644 script.sh
  C. chown accounting script.sh
  D. chmod a+x script.sh
  B. chmod 644 script.sh

• Question 134:

  A Linux administrator needs to schedule a backup job to run every Friday at 2 15 a.m. Which of the following lines should the administrator add to the crontab file?

  A. 15 2 * * 5 /bin/backup_job.sh
  B. 2 15 * * 5 /bin/backup_job.sh
  C. 2 * * 15 5 /bin/backup_job.sh
  D. 2 * 5 15 * /bin/backup_job.sh
  A. 15 2 * * 5 /bin/backup_job.sh

• Question 135:

  tracepath -n 192.168.1.100An administrator completed the configuration of the in-addr.arpa zone files for an organization. Which of the following commands should the administrator use to verify the configuration is working as expected?

  A. ping -n 192.168.1.100
  B. host in-add.arpa
  C. dig -x 192.168.1.100
  D. nslookup in-addr.arpa
  E. tracepath -n 192.168.1.100
  C. dig -x 192.168.1.100

• Question 136:

  The ability to add web servers dynamically during peak user activity and remove them when user activity decreases is an example of:

  A. configuration automation
  B. build automation
  C. infrastructure automation
  D. inventory management
  A. configuration automation

• Question 137:

  When logging in, an administrator must use a temporary six-digit code that is displayed on a key fob. Which of the following has been implemented?

  A. Biometrics
  B. HOTP
  C. PKI
  D. Software token
  B. HOTP

• Question 138:

  Which of the following is a difference between YAML and JSON?

  A. Users can comment in YAML but not in JSON
  B. JSON only uses curly brackets, while YAML only uses square brackets
  C. JSON is used in web development, while YAML is used solely in back-end systems.
  D. YAML has been deprecated for JSON.
  A. Users can comment in YAML but not in JSON

  ---

  Reference: https://www.json2yaml.com/yaml-vs-json

• Question 139:

  A new corporate policy states that Bluetooth should be disabled on all company laptops. Which of the following commands would disable the use of Bluetooth?

  A. echo "blacklist bluetooth" > /etc/modprobe.d/blacklist-bluetooth
  B. echo "kill bluetooth" > /etc/modprobe.d/kill-bluetooth
  C. echo "modprobe bluetooth" > /etc/modprobe.d/modporbe-bluetooth
  D. echo "rmmod bluetooth" > /etc/modprobe.d/rmmod-bluetooth
  C. echo "modprobe bluetooth" > /etc/modprobe.d/modporbe-bluetooth

• Question 140:

  An administrator is logged on as an unprivileged user and needs to compile and installed an application from source. Which of the following BEST represents how to complete this task?

  A. cd ; sudo ./configure $$ make $$ make install
  B. cd ; ./configure $$ sudo make $$ make install
  C. cd ; ./configure $$ make $$ make install
  D. cd ; ./configure $$ make $$ make install
  A. cd ; sudo ./configure $$ make $$ make install