Free Update XK0-005 CompTIA Linux+ Exam Dumps Questions

test2022-11-18T06:59:55+00:00

CompTIA Linux+ XK0-005 exam dumps questions are newly updated for your Linux+ certification exam preparation. Studying XK0-005 exam dumps are designed to help prepare you for the CompTIA Linux+ (XK0-005) certification exam and covers all four domains of System Management, Security,Scripting, Containers, and Automation and Troubleshooting. You can study the latest update XK0-005 CompTIA Linux+ Exam Dumps Questions for your best preparation and pass your exam easily.

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1. A junior systems administrator has just generated public and private authentication keys for passwordless login.

Which of the following files will be moved to the remote servers?

id_dsa.pem

id_rsa

id_ecdsa

id_rsa.pub

2. A systems administrator is tasked with creating an Ansible playbook to automate the installation of patches on several Linux systems.

In which of the following languages should the playbook be written?

SQL

YAML

HTML

JSON

3. A Linux administrator needs to remove software from the server.

Which of the following RPM options should be used?

rpm -s

rm -d

rpm -q

rpm -e

4. A Linux administrator modified the SSH configuration file.

Which of the following commands should be used to apply the configuration changes?

systemctl stop sshd

systemctl mask sshd

systemctl reload sshd

systemctl start sshd

5. A Linux administrator is tasked with adding users to the system. However, the administrator wants to ensure the users’ access will be disabled once the project is over. The expiration date should be 2021-09-30.

Which of the following commands will accomplish this task?

sudo useradd -e 2021-09-30 Project_user

sudo useradd -c 2021-09-30 Project_user

sudo modinfo -F 2021-09-30 Project_uses

sudo useradd -m -d 2021-09-30 Project_user

6. Some servers in an organization have been compromised. Users are unable to access to the organization’s web page and other services.

While reviewing the system log, a systems administrator notices messages from the kernel regarding firewall rules:

Which of the following commands will remediate and help resolve the issue?

A)

Option A

Option B

Option C

Option D

7. A systems administrator created a new Docker image called test. After building the image, the administrator forgot to version the release.

Which of the following will allow the administrator to assign the v1 version to the image?

docker image save test test:v1

docker image build test:vl

docker image tag test test:vl

docker image version test:v1

8. After listing the properties of a system account, a systems administrator wants to remove the expiration date of a user account.

Which of the following commands will accomplish this task?

chgrp system accountname

passwd Cs accountname

chmod -G system account name

chage -E -1 accountname

9. A Linux administrator is alerted to a storage capacity issue on a server without a specific mount point or directory.

Which of the following commands would be MOST helpful for troubleshooting? (Choose two.)

parted

mount

fdisk

10. A Linux administrator needs to create a new cloud.cpio archive containing all the files from the current directory.

Which of the following commands can help to accomplish this task?

ls | cpio -iv > cloud.epio

ls | cpio -iv < cloud.epio

ls | cpio -ov > cloud.cpio

ls cpio -ov < cloud.cpio

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11. A Linux systems administrator is configuring a new filesystem that needs the capability to be mounted persistently across reboots.

Which of the following commands will accomplish this task? (Choose two.)

df -h /data

mkfs.ext4 /dev/sdc1

fsck /dev/sdc1

fdisk -l /dev/sdc1

echo "/data /dev/sdc1 ext4 defaults 0 0" >> /etc/fstab

echo "/dev/sdc1 /data ext4 defaults 0 0" >> /etc/fstab

12. A systems administrator is checking the system logs. The administrator wants to look at the last 20 lines of a log.

Which of the following will execute the command?

tail -v 20

tail -n 20

tail -c 20

tail -l 20

13. A systems administrator made some changes in the ~/.bashrc file and added an alias command. When the administrator tried to use the alias command, it did not work.

Which of the following should be executed FIRST?

source ~/.bashrc

read ~/.bashrc

touch ~/.bashrc

echo ~/.bashrc

14. A user is asking the systems administrator for assistance with writing a script to verify whether a file exists.

Given the following:

Which of the following commands should replace the <CONDITIONAL> string?

if [ -f "$filename" ]; then

if [ -d "$filename" ]; then

if [ -f "$filename" ] then

if [ -f "$filename" ]; while

15. A Linux administrator cloned an existing Linux server and built a new server from that clone.

The administrator encountered the following error after booting the cloned server:

The administrator performed the commands listed below to further troubleshoot and mount the missing filesystem:

Which of the following should administrator use to resolve the device mismatch issue and

mount the disk?

mount disk by device-id

fsck -A

mount disk by-label

mount disk by-blkid

16. A Linux system is failing to start due to issues with several critical system processes.

Which of the following options can be used to boot the system into the single user mode? (Choose two.)

Execute the following command from the GRUB rescue shell: mount -o remount, ro/sysroot.

Interrupt the boot process in the GRUB menu and add systemd.unit=single in the kernel line.

Interrupt the boot process in the GRUB menu and add systemd.unit=rescue.target in the kernel line.

Interrupt the boot process in the GRUB menu and add single=user in the kernel line.

Interrupt the boot process in the GRUB menu and add init=/bin/bash in the kernel line.

Interrupt the boot process in the GRUB menu and add systemd.unit=single.target in the kernel line.

17. A Linux administrator is troubleshooting the root cause of a high CPU load and average.

Which of the following commands will permanently resolve the issue?

renice -n -20 6295

pstree -p 6295

iostat -cy 1 5

kill -9 6295

18. A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal.

Which of the following is the issue?

The administrator did not reboot the server properly.

The administrator did not set the default target to basic.target.

The administrator did not set the default target to graphical.target.

The administrator did not shut down the server properly.

19. A Linux administrator has installed a web server, a database server, and a web application on a server. The web application should be active in order to render the web pages. After the administrator restarts the server, the website displays the following message in the browser: Error establishing a database connection.

The Linux administrator reviews the following relevant output from the systemd init files:

The administrator needs to ensure that the database is available before the web application is started.

Which of the following should the administrator add to the HTTP server .service file to accomplish this task?

TRIGGERS=mariadb.service

ONFAILURE=mariadb.service

WANTEDBY=mariadb.service

REQUIRES=mariadb.service

20. A systems administrator configured firewall rules using firewalld.

However, after the system is rebooted, the firewall rules are not present:

The systems administrator makes additional checks:

Which of the following is the reason the firewall rules are not active?

iptables is conflicting with firewalld.

The wrong system target is activated.

FIREWALL_ARGS has no value assigned.

The firewalld service is not enabled.

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21. A junior administrator is trying to set up a passwordless SSH connection to one of the servers. The administrator follows the instructions and puts the key in the authorized_key file at the server, but the administrator is still asked to provide a password during the connection.

Given the following output:

Which of the following commands would resolve the issue and allow an SSH connection to be established without a password?

restorecon -rv .ssh/authorized_key

mv .ssh/authorized_key .ssh/authorized_keys

systemctl restart sshd.service

chmod 600 mv .ssh/authorized_key

22. A newly created container has been unable to start properly, and a Linux administrator is analyzing the cause of the failure.

Which of the following will allow the administrator to determine the FIRST command that is executed inside the container right after it starts?

docker export <container_id>

docker info <container_id>

docker start <container_id>

docker inspect <container_id>

23. A Linux administrator copied a Git repository locally, created a feature branch, and committed some changes to the feature branch.

Which of the following Git actions should the Linux administrator use to publish the changes to the main branch of the remote repository?

rebase

tag

commit

push

24. Which of the following commands will display the operating system?

uname -n

uname -s

uname -o

uname -m

25. A Linux administrator is scheduling a system job that runs a script to check available disk space every hour. The Linux administrator does not want users to be able to start the job.

Given the following:

The Linux administrator attempts to start the timer service but receives the following error message:

Which of the following is MOST likely the reason the timer will not start?

The checkdiskspace.timer unit should be enabled via systemctl.

The timers.target should be reloaded to get the new configuration.

The checkdiskspace.timer should be configured to allow manual starts.

The checkdiskspace.timer should be started using the sudo command.

26. Employees in the finance department are having trouble accessing the file /opt/work/file. All IT employees can read and write the file.

Systems administrator reviews the following output:

Which of the following commands would permanently fix the access issue while limiting access to IT and finance department employees?

chattr +i file

chown it:finance file

chmod 666 file

setfacl -m g:finance:rw file

27. A Linux administrator needs to connect securely to a remote server in order to install application software.

Which of the following commands would allow this connection?

scp "ABC-key.pem" [email protected]

sftp rootei

0.0.1

telnet 10.0.0.1 80

ssh -i "ABC-key.pem" [email protected]

sftp "ABC-key.pem" [email protected]

28. A DevOps engineer needs to download a Git repository from https://git.company.com/admin/project.git.

Which of the following commands will achieve this goal?

git clone https://git.company.com/admin/project.git

git checkout https://git.company.com/admin/project.git

git pull https://git.company.com/admin/project.git

git branch https://git.company.com/admin/project.git

29. A systems administrator created a web server for the company and is required to add a tag for the API so end users can connect.

Which of the following would the administrator do to complete this requirement?

hostnamectl status --no-ask-password

hostnamectl set-hostname "$(perl -le "print" "A" x 86)"

hostnamectl set-hostname Comptia-WebNode -H [email protected]

hostnamectl set-hostname Comptia-WebNode --transient

30. A Linux administrator recently downloaded a software package that is currently in a compressed file.

Which of the following commands will extract the files?

unzip -v

bzip2 -z

gzip

funzip

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31. A Linux administrator needs to create an image named sda.img from the sda disk and store it in the /tmp directory.

Which of the following commands should be used to accomplish this task?

dd of=/dev/sda if=/tmp/sda.img

dd if=/dev/sda of=/tmp/sda.img

dd --if=/dev/sda --of=/tmp/sda.img

dd --of=/dev/sda --if=/tmp/sda.img

32. A systems administrator is compiling a report containing information about processes that are listening on the network ports of a Linux server.

Which of the following commands will allow the administrator to obtain the needed information?

ss -pint

tcpdump -nL

netstat -pn

lsof -It

33. A systems administrator requires that all files that are created by the user named web have read-only permissions by the owner.

Which of the following commands will satisfy this requirement?

chown web:web /home/web

chmod -R 400 /home/web

echo "umask 377" >> /home/web/.bashrc

setfacl read /home/web

34. A systems administrator needs to reconfigure a Linux server to allow persistent IPv4 packet forwarding.

Which of the following commands is the correct way to accomplish this task?

echo 1 > /proc/sys/net/ipv4/ipv_forward

sysctl -w net.ipv4.ip_forward=1

firewall-cmd --enable ipv4_forwarding

systemctl start ipv4_forwarding

35. Users have been unable to reach www.comptia.org from a Linux server.

A systems administrator is troubleshooting the issue and does the following:

Based on the information above, which of the following is causing the issue?

The name www.comptia.org does not point to a valid IP address.

The server 192.168.168.53 is unreachable.

No default route is set on the server.

The network interface eth0 is disconnected.

36. A Linux administrator needs to create a new user named user02. However, user02 must be in a different home directory, which is under /comptia/projects.

Which of the following commands will accomplish this task?

useradd -d /comptia/projects user02

useradd -m /comptia/projects user02

useradd -b /comptia/projects user02

useradd -s /comptia/projects user02

37. One leg of an LVM-mirrored volume failed due to the underlying physical volume, and a systems administrator is troubleshooting the issue.

The following output has been provided:

Given this scenario, which of the following should the administrator do to recover this volume?

Reboot the server. The volume will automatically go back to linear mode.

Replace the failed drive and reconfigure the mirror.

Reboot the server. The volume will revert to stripe mode.

Recreate the logical volume.

38. A systems administrator wants to be sure the sudo rules just added to /etc/sudoers are valid.

Which of the following commands can be used for this task?

visudo -c

test -f /etc/sudoers

sudo vi check

cat /etc/sudoers | tee test

39. A systems administrator needs to check if the service systemd-resolved.service is running without any errors.

Which of the following commands will show this information?

systemctl status systemd-resolved.service

systemctl enable systemd-resolved.service

systemctl mask systemd-resolved.service

systemctl show systemd-resolved.service

40. A Linux system fails to start and delivers the following error message:

Which of the following commands can be used to address this issue?

fsck.ext4 /dev/sda1

partprobe /dev/sda1

fdisk /dev/sda1

mkfs.ext4 /dev/sda1

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41. A new Linux systems administrator just generated a pair of SSH keys that should allow connection to the servers.

Which of the following commands can be used to copy a key file to remote servers? (Choose two.)

wget

ssh-keygen

ssh-keyscan

ssh-copy-id

ftpd

scp