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CompTIA XK0-005 Exam With Confidence Using Practice Dumps

Exam Code:
XK0-005
Exam Name:
CompTIA Linux+ Exam
Certification:
Vendor:
Questions:
487
Last Updated:
Dec 5, 2025
Exam Status:
Stable
CompTIA XK0-005

XK0-005: Linux+ Exam 2025 Study Guide Pdf and Test Engine

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CompTIA Linux+ Exam Questions and Answers

Question 1

A Linux administrator is troubleshooting an SSHD issue on a server. Users are receiving error messages stating the connection is refused. Which of the following commands should be used to verify whether the service is listening?

Options:

A.

nslookup

B.

route

C.

netstat

D.

ifconfig

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Question 2

Users connecting to a MySQL database on a Linux system report frequent errors. An administrator reviews the following partial output of the /proc/meminfo and free commands:

total used free

Mem: 1011966 151930 860036

Swap: 1191972 1181716 10256

MemTotal: 1011966 kB

MemFree:

SwapTotal: 1191972 kB

SwapFree: 10256 kB

Which of the following should the administrator do to ensure that the MySQL service will continue to run even if the system runs out of swap space? (Select two.)

Options:

A.

Issue the sysctl -w vm.overcommit_ratio=100 command.

B.

Issue the sysctl -w vm.overconunit_memory=2 command. (Invalid key)

C.

Issue the dd if=/dev/zero of=/swapfile bs=1024 count=65536 command.

D.

Issue the mkswap /dev/sda2; swapon -v /dev/sda2 command.

E.

Reload the /etc/fstab file by issuing the mount -a command. (Not sufficient alone)

F.

Use disk quotas on the swap space to prevent MySQL from overutilizing the swap partition.

Question 3

An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container?

Options:

A.

docker-compose inspect WEB

B.

dockerlogs WEB

C.

dockerrun —nameWEB —volume/dev/stdout:/var/log/nginx/error.log

D.

dockerps WEB -f