Rebirth XK0-004 Bootcamp 2021

NEW QUESTION 1
A systems administrator is enabling quotas on the /home directory of a Linux server. The administrator makes the appropriate edits to the /etc/fstab file and attempts to issue the commands to enable quotas on the desired directory. However, the administrator receives an error message stating the filesystem does not support quotas. Which of the following commands should the administrator perform to proceed?

• A. mount –o remount /home
• B. quotacheck -cg
• C. edquota /home
• D. quotaon /home

Answer: D

NEW QUESTION 2
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. 0 *** 1 hello.sh
• B. 0 24 ** Monday hello.sh
• C. 24 *** Monday hello.sh
• D. 1 *** 0 hello.sh

Answer: C

NEW QUESTION 3
A Linux administrator wants to fetch a Git repository from a remote Git server. Which of the following is the BEST command to perform this task?

• A. git checkout
• B. git clone
• C. git merge
• D. git config

Answer: B

NEW QUESTION 4
A Linux administrator is testing connectivity to a remote host on a shared terminal. The administrator wants to allow other users to access the terminal while the command is executing.
Which of the following commands should the administrator use?

• A. bg ping remotehost
• B. fg ping remotehost
• C. ping remotehost < results
• D. ping remotehost &

Answer: C

NEW QUESTION 5
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 /etcln –s /usr/share/zoneinfo/US/Pacific localtime
• B. cd /usr/localln –s /usr/share/zoneinfo/US/Pacific zoneinfo
• C. cd /etc/localln –s /usr/share/zoneinfo/US/Pacific localtime
• D. cd /usr/share/localln –s /usr/share/zoneinfo/US/Pacific localectl

Answer: A

NEW QUESTION 6
A Linux administrator is testing a new web application on a local laptop and consistently shows the following 403 errors in the laptop’s logs”

The web server starts properly, but an error is generated in the audit log. Which of the following settings should be enabled to prevent this audit message?

• A. httpd_can_network_connect = 1
• B. httpd_enable_scripting = 1
• C. httpd_enable_homedirs = 1
• D. httpd_enable_cgi = 1

Answer: A

NEW QUESTION 7
A Linux administration is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces.
Which of the following commands enables this feature for IPv4 networks?

• A. cat /proc/sys/net/ipv4/ip_route > 1
• B. echo “1” > /proc/sys/net/ipv4/ip_forward
• C. echo “1” > /proc/sys/net/ipv4/ip_route
• D. echo “1” > /proc/sys/net/ipv4/ip_net

Answer: B

NEW QUESTION 8
An administrator is analyzing a Linux server which was recently hacked.
Which of the following will the administrator use to find all unsuccessful login attempts?

• A. nsswitch
• B. faillock
• C. pam_tally2
• D. passwd

Answer: C

NEW QUESTION 9
An administrator needs to see a list of the system user’s encrypted passwords. Which of the following Linux files does the administrator need to read?

• A. /etc/shadow
• B. /etc/skel
• C. /etc/passwd
• D. /etc/pw

Answer: C

NEW QUESTION 10
A Linux administrator needs to take stock of USB devices attached to the system. Which of the following commands would be BEST to complete this task?

• A. lspci
• B. lsusb
• C. cat /proc/USB
• D. modprobe -–usb

Answer: B

NEW QUESTION 11
An engineer is working on a production application deployment that requires changing a web application property file called server.property that is managed by the Git version control system. A cloned copy of the remote repository in which the server.property file exists is on the local desktop computer. The engineer makes appropriate changes to the files, saves it as server.property, and executes git commit –m “changed the property file” server.property. Which of the following commands did the engineer fail to perform?

• A. git init server.property
• B. git merge server.property
• C. git add server.property
• D. git push server.property

Answer: D

NEW QUESTION 12
An administrator needs to deploy 100 identical CentOS workstations via PXE boot. Which of the following should the administrator use to minimize the amount of interaction with the consoles needed?

• A. Kickstart script
• B. Ghost image on a distribution server
• C. Hard disk duplicator
• D. Hard disk duplicator
• E. Ubiquity script

Answer: A

NEW QUESTION 13
A junior Linux administrator is installing a new application with CPU architecture requirements that have the following specifications:
x64 bit 3.0GHz speed
Minimum quad core
The administrator wants to leverage existing equipment but is unsure whether the requirements of these systems are adequate. The administrator issues the following command cat/proc/cpuinfo. The output of the command is as follows:

Which of the following is the recommended course of action the administrator should take based on this output?

• A. Install the application, as the system meets the application requirements
• B. Procure new equipment that matches the recommended specifications
• C. Recompile the Linux kernel to support the installation.
• D. Reconfigure lib modules to support the new application.

Answer: A

NEW QUESTION 14
A systems administrator wants to know the current status of a series of dd jobs that were started in the background three hours ago.
Which of the following commands will achieve this task?

• A. sudo killall –HUP dd
• B. sudo killall dd
• C. sudo killall –TERM dd
• D. sudo killall -USR1 dd

Answer: D

NEW QUESTION 15
An administrator needs to see the type of CPU that a server is running. Which of the following files contains this information?

• A. /proc/cpuinfo
• B. /etc/devices/info.conf
• C. /dev/proc/cpu
• D. /sys/dev/cpuinfo

Answer: A

NEW QUESTION 16
An administrator has modified the configuration file for a service. The service is still running but is not using the new configured values. Which of the following will BEST remediate this issue?

• A. kill -HUP
• B. init 0
• C. service start
• D. renice -10

Answer: A

NEW QUESTION 17
The development team has automated their software build process so each time a change is submitted to the source code repository, a new software build is compiled. They are requesting that the Linux operations team look into automating the deployment of the software build into the test environment. Which of the following is the benefit to the development team for implementing deployment automation?

• A. To ensure the build commits are also deployed to the test environment
• B. To enable notifications when builds are deployed to the test environment
• C. To ensure software builds in test are not accidentally deployed to production
• D. To streamline the deployment process for deploying builds into test environments

Answer: D

NEW QUESTION 18
Which of the following configuration management tools is considered agentless?

• A. Ouppet
• B. Salt
• C. Ansible
• D. Chef

Answer: C

NEW QUESTION 19
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 2021 production
-rw-r--r-- production production 4096 Jun 14 2021 days
Which of the following commands should the user execute to BEST fix the issue?

• A. chmod g+w production to change the permissions of the days file
• B. chgrp root production_docs/days to change the group ownership of the production_docs/ days file
• C. chmod g+S production to set the GUID on the production_docs directory
• D. chown production to change the ownership of the production_docs directory

Answer: D

NEW QUESTION 20
The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 21
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