NEW QUESTION 1
A user wants to list the lines of a log, adding a correlative number at the beginning of each line separated by a set of dashes from the actual message. Which of the following scripts will complete this task?

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

Answer: D

NEW QUESTION 2
Which of the following statements BEST represents what the term “agentless” means regarding orchestration?

• A. Installation of a tool is not required on the remote system to perform orchestration tasks
• B. It facilitates version control when using infrastructure as code during orchestration
• C. It automatically removes malware from the remote system during orchestration
• D. A tool can only be accessed remotely to perform orchestration tasks

Answer: A

NEW QUESTION 3
Which of the following is modified to reconfigure the boot environment?

• A. grub-mkconfig
• B. grub.cfg
• C. update-grub
• D. grub2-mkconfig

Answer: C

NEW QUESTION 4
A system administrator has deployed a Linux server based on an Anaconda process with all packages and custom configurations necessary to install a web server role.
Which of the following could be used to install more Linux servers with the same characteristics?

• A. /etc/sysconfig/anaconda/cfg
• B. /root/anaconda.auto
• C. /root/anaconda-ks.cfg
• D. /etc/sysconfig/installation.cfg

Answer: C

NEW QUESTION 5
A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults. Typing “help” in the terminal will show a list of relevant commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button. CentOS Command Prompt

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 6
An administrator needs to change the IP address on a server remotely. After updating the configuration files, a network restart is needed. However, the administrator fears that when the network connection drops, the network restart script will be killed before the new IP address has been set.
Which of the following commands would prevent the script from being killed?

• A. nohup service network restart
• B. service network restart &
• C. echo “service network restart” | at now
• D. dg service network restart

Answer: A

NEW QUESTION 7
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 8
A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet. To accomplish this task, the technician executes the following command:
echo 0 > /proc/sys/net/ipv4/ip_default_ttl
Which of the following commands can the technician use to confirm the expected results? (Choose two.)

• A. tcpdump
• B. traceroute
• C. route
• D. iperf
• E. ip
• F. arp

Answer: CF

NEW QUESTION 9
A systems administrator is unable to reach other devices on the network and the Internet. The server is configured with the IP address 192.169.1.50/24 on eth0. The server’s router is 192.168.1.1. The administrator reviews the output of route –n:

Which of the following commands should the administrator run to correct the issue?

• A. route del default gw 192.168.2.1 eth0; route add default gw 192.168.1.1 eth0
• B. route add –net 192.168.10.0 netmask 255.255.255.0 gw 192.168.2.1 eth0
• C. route add 192.168.1.1 default 192.168.1.50 eth0
• D. route host gw 192.168.1.1 eth0

Answer: B

NEW QUESTION 10
A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software’s master branch?

• A. Merge the changes from the feature branch to the master branch.
• B. Save the changes to the master branch automatically with each Git commit.
• C. Clone the feature branch into the master branch.
• D. Pull the changes from the feature branch into the master branch.

Answer: A

NEW QUESTION 11
A Linux administrator wants to obtain a list of files and subdirectories in the /etc directory that contain the word “services”. Once the files and subdirectories are discovered, they should be listed alphabetically in the /var/tmp/foundservices file. Which of the following shell scripts will accomplish this task?

• A. #/bin/bashfind /etc –name services | sort > /var/tmp/foundservices
• B. #/bin/bashlocate /etc –sort –name services > /var/tmp/foundservices
• C. #/bin/bashfind –name services –sort </var/tmp/foundservices
• D. #/bin/bashfind /etc –name services –sort > /var/tmp/foundservices

Answer: B

NEW QUESTION 12
A junior administrator needs to unload an older video kernel module. Which of the following commands would BEST accomplish this task?

• A. modprobe
• B. insmod
• C. rmmod
• D. chmod

Answer: A

NEW QUESTION 13
An administrator needs to create a shared directory in which all users are able, write, and execute its content but none of the regular users are able to delete any content.
Which of the following permissions should be applied to this shared directory?

• A. rwxrwxrwt
• B. rwxrwxrws
• C. rwxrwxrwx
• D. rwxrwxrw*

Answer: C

NEW QUESTION 14
A junior Linux administrator is optimizing a system in which an application needs to take priority 0 when running the process. The administrator runs the ps command and receives the following output:

Given this scenario, which of the following steps will address this issue?

• A. Issue the command ronice –n 0 –p 8481
• B. Issue the command renice –p 8481
• C. Issue the command renice –p 0 ~n 8481
• D. Issue the command renice –n 8481

Answer: D

NEW QUESTION 15
A systems administrator wants to deploy several applications to the same server quickly. Each application should be abstracted from the host with its own dependencies and libraries and utilize a minimal footprint.
Which of the following would be BEST in this scenario?

• A. Virtual machines
• B. Type 2 hypervisor
• C. Chroot jails
• D. Containers

Answer: D

NEW QUESTION 16
Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the /tmp directory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?

• A. scp ~/software.rpm USER@192.168.3.22:/tmp
• B. scp ~/software.rpm USER@192.168.3.22: /tmp
• C. wget USER@192.168.3.22:/tmp -f ~/software.rpm
• D. scp USER@192.168.3.22 ~/software.rpm :/tmp

Answer: C

NEW QUESTION 17
While creating a file on a volume, the Linux administrator receives the following message: No space left on device. Running the df –m command, the administrator notes there is still 50% of usage left. Which of the following is the NEXT step the administrator should take to analyze the issue without losing data?

• A. Run the df –i command and notice the inode exhaustion
• B. Run the df –h command and notice the space exhaustion
• C. Run the df –B command and notice the block size
• D. Run the df –k command and notice the storage exhaustion

Answer: A

NEW QUESTION 18
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

Answer: A

NEW QUESTION 19
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 20
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/modprbe-bluetooth
• D. echo “rmod bluetooth” > /etc/modprobe.d/rmmod-bluetooth

Answer: C

NEW QUESTION 21
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 22
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 23
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 24
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 25
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