CompTIA Linux+ XK0-005 pdf study guide for learning

dumps2022-10-18T08:37:16+08:00

XK0-005 is the new exam for CompTIA Linux+ certification launched on July 12, 2022. As a new exam, it covers an evolving job role that focuses more on how Linux powers the cloud, including cutting edge technologies that help automate and orchestrate business processes, including infrastructure as code and containers. You should have the following experience to attend the CompTIA Linux+ XK0-005 exam:

12 months of hands-on experience working with Linux servers in a junior Linux support engineer or junior cloud/DevOps support engineer job role;
CompTIA A+, Network+, and Server+ or similar certifications and/or knowledge.

Also need proper study guide to do the best practice. CompTIA Linux+ XK0-005 pdf study guide is available, below are the XK0-005 free demo.

Page 1 of 4

1. A Linux administrator needs to determine whether a hostname is in the DNS.

Which of the following would supply the information that is needed?

nslookup

rsyn

netstat

host

2. Developers have requested implementation of a persistent, static route on the application server. Packets sent over the interface eth0 to 10.0.213.5/32 should be routed via 10.0.5. 1.

Which of the following commands should the administrator run to achieve this goal?

route -i etho -p add 10.0.213.5 10.0.5.1

route modify eth0 +ipv4.routes "10.0.213.5/32 10.0.5.1"

echo "10.0.213.5 10.0.5.1 eth0" > /proc/net/route

ip route add 10.0.213.5/32 via 10.0.5.1 dev eth0

3. Several users reported that they were unable to write data to the /oracle1 directory.

The following output has been provided:

Which of the following commands should the administrator use to diagnose the issue?

df -i /oracle1

fdisk -1 /dev/sdb1

lsblk /dev/sdb1

du -sh /oracle1

4. A systems administrator received a notification that a system is performing slowly.

When running the top command, the systems administrator can see the following values:

Which of the following commands will the administrator most likely run NEXT?

vmstat

strace

htop

lsof

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

uname -n

uname -s

uname -o

uname -m

6. CORRECT TEXT

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 event commands.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

7. A Linux administrator was tasked with deleting all files and directories with names that are contained in the sobelete.txt file .

Which of the following commands will accomplish this task?

xargs -f cat toDelete.txt -rm

rm -d -r -f toDelete.txt

cat toDelete.txt | rm -frd

cat toDelete.txt | xargs rm -rf

8. An administrator needs to make some changes in the IaC declaration templates .

Which of the following commands would maintain version control?

git clone https://github.com/comptia/linux+-.git git push origin

git clone https://qithub.com/comptia/linux+-.git git fetch New-Branch

git clone https://github.com/comptia/linux+-.git git status

git clone https://github.com/comptia/linuxt+-.git git checkout -b <new-branch>

9. 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

10. 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

Page 2 of 4

11. 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

12. 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

13. A Linux administrator wants to set the SUID of a file named dev_team.text with 744 access rights .

Which of the following commands will achieve this goal?

chmod 4744 dev_team.txt

chmod 744 --setuid dev_team.txt

chmod -c 744 dev_team.txt

chmod -v 4744 --suid dev_team.txt

14. Which of the following tools is commonly used for creating CI/CD pipelines?

Chef

Puppet

Jenkins

Ansible

15. 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

16. A Linux administrator has been tasked with installing the most recent versions of packages on a RPM-based OS .

Which of the following commands will accomplish this task?

apt-get upgrade

rpm -a

yum updateinfo

dnf update

yum check-update

17. A cloud engineer needs to check the link status of a network interface named eth1 in a Linux server .

Which of the following commands can help to achieve the goal?

ifconfig hw eth1

netstat -r eth1

ss -ti eth1

ip link show eth1

18. A systems engineer is adding a new 1GB XFS filesystem that should be temporarily mounted under /ops/app .

Which of the following is the correct list of commands to achieve this goal?

A)

19. A Linux system is failing to boot with the following error:

Which of the following actions will resolve this issue? (Choose two.)

Execute grub-install --root-directory=/mnt and reboot.

Execute grub-install /dev/sdX and reboot.

Interrupt the boot process in the GRUB menu and add rescue to the kernel line.

Fix the partition modifying /etc/default/grub and reboot.

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

Boot the system on a LiveCD/IS

20. A cloud engineer needs to remove all dangling images and delete all the images that do not have an associated container .

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

docker images prune -a

docker push images -a

docker rmi -a images

docker images rmi --all

Page 3 of 4

21. A cloud engineer is installing packages during VM provisioning .

Which of the following should the engineer use to accomplish this task?

Cloud-init

Bash

Docker

Sidecar

22. A Linux engineer has been notified about the possible deletion of logs from the file /opt/app/logs. The engineer needs to ensure the log file can only be written into without removing previous entries.

Which of the following commands would be BEST to use to accomplish this task?

chattr +a /opt/app/logs

chattr +d /opt/app/logs

chattr +i /opt/app/logs

chattr +c /opt/app/logs

23. An administrator is trying to diagnose a performance issue and is reviewing the following output:

System Properties:

CPU: 4 vCPU

Memory: 40GB

Disk maximum IOPS: 690

Disk maximum throughput: 44Mbps | 44000Kbps

Based on the above output, which of the following BEST describes the root cause?

The system has reached its maximum IOPS, causing the system to be slow.

The system has reached its maximum permitted throughput, therefore iowait is increasing.

The system is mostly idle, therefore the iowait is high.

The system has a partitioned disk, which causes the IOPS to be doubled.

24. A systems administrator is tasked with installing GRUB on the legacy MBR of the SATA hard drive .

Which of the following commands will help the administrator accomplish this task?

grub-install /dev/hda

grub-install /dev/sda

grub-install /dev/sr0

grub-install /dev/hd0,0

25. 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

26. Which of the following technologies provides load balancing, encryption, and observability in containerized environments?

Virtual private network

Sidecar pod

Overlay network

Service mesh

27. 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.

28. 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

29. A Linux user reported the following error after trying to connect to the system remotely:

ssh: connect to host 10.0. 1. 10 port 22: Resource temporarily unavailable

The Linux systems administrator executed the following commands in the Linux system while trying to diagnose this issue:

Which of the following commands will resolve this issue?

firewall-cmd --zone=public --permanent --add-service=22

systemctl enable firewalld; systemctl restart firewalld

firewall-cmd --zone=public --permanent --add-service=ssh

firewall-cmd --zone=public --permanent --add-port=22/udp

30. A Linux administrator is tasked with creating resources using containerization. When deciding how to create this type of deployment, the administrator identifies some key features, including portability, high availability, and scalability in production .

Which of the following should the Linux administrator choose for the new design?

Docker

On-premises systems

Cloud-based systems

Kubernetes

Page 4 of 4

31. Which of the following technologies can be used as a central repository of Linux users and groups?

LDAP

MFA

SSO

PAM

32. 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.

33. 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

CompTIA Linux+ XK0-005 pdf study guide for learning

CompTIA Linux+ XK0-005 pdf study guide for learning

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