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XK0-005 Exam Dumps - CompTIA Linux+ Questions and Answers

Question # 44

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?

Options:

A.

docker image save test test:v1

B.

docker image build test:vl

C.

docker image tag test test:vl

D.

docker image version test:v1

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Question # 45

A Linux system is getting an error indicating the root filesystem is full. Which of the following commands should be used by the systems administrator to resolve this issue? (Choose three.)

Options:

A.

df -h /

B.

fdisk -1 /dev/sdb

C.

growpart /dev/mapper/rootvg-rootlv

D.

pvcreate /dev/sdb

E.

lvresize –L +10G -r /dev/mapper/rootvg-rootlv

F.

lsblk /dev/sda

G.

parted -l /dev/mapper/rootvg-rootlv

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Question # 46

A Linux administrator is troubleshooting an issue in which an application service failed to start on a Linux server. The administrator runs a few commands and gets the following outputs:

Based on the above outputs, which of the following is the MOST likely action the administrator should take to resolve this issue?

Options:

A.

Enable the logsearch.service and restart the service.

B.

Increase the TimeoutStartUSec configuration for the logsearch.sevice.

C.

Update the OnCalendar configuration to schedule the start of the logsearch.service.

D.

Update the KillSignal configuration for the logsearch.service to use TERM.

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Question # 47

An administrator deployed a Linux server that is running a web application on port 6379/tcp.

SELinux is in enforcing mode based on organization policies.

The port is open on the firewall.

Users who are trying to connect to a local instance of the web application receive Error 13, Permission denied.

The administrator ran some commands that resulted in the following output:

Which of the following commands should be used to resolve the issue?

Options:

A.

semanage port -d -t http_port_t -p tcp 6379

B.

semanage port -a -t http_port_t -p tcp 6379

C.

semanage port -a http_port_t -p top 6379

D.

semanage port -l -t http_port_tcp 6379

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Question # 48

A systems administrator has been tasked with disabling the nginx service from the environment to prevent it from being automatically and manually started. Which of the following commands will accomplish this task?

Options:

A.

systemct1 cancel nginx

B.

systemct1 disable nginx

C.

systemct1 mask nginx

D.

systemct1 stop nginx

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Question # 49

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?

Options:

A.

chattr +a /opt/app/logs

B.

chattr +d /opt/app/logs

C.

chattr +i /opt/app/logs

D.

chattr +c /opt/app/logs

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Question # 50

A network administrator issues the dig www.foo.com command and receives an NXDOMAIN response. Which of the following files should the administrator check first?

Options:

A.

/etc/resolv.conf

B.

/etc/hosts

C.

/etc/sysconfig/network-scripts

D.

/etc/nsswitch.conf

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Question # 51

Which of the following enables administrators to configure and enforce MFA on a Linux system?

Options:

A.

Kerberos

B.

SELinux

C.

PAM

D.

PKI

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Question # 52

The applications team is reporting issues when trying to access the web service hosted in a Linux system. The Linux systems administrator is reviewing the following outputs:

Output 1:

* httpd.service = The Apache HTTPD Server

Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)

Active: inactive (dead)

Docs: man:httpd(8) man:apachectl(8)

Output 2:

16:51:16 up 28 min, 1 user, load average: 0.00, 0.00, 0.07

Which of the following statements best describe the root cause? (Select two).

Options:

A.

The httpd service is currently started.

B.

The httpd service is enabled to auto start at boot time, but it failed to start.

C.

The httpd service was manually stopped.

D.

The httpd service is not enabled to auto start at boot time.

E.

The httpd service runs without problems.

F.

The httpd service did not start during the last server reboot.

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Question # 53

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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Exam Code: XK0-005
Exam Name: CompTIA Linux+ Exam
Last Update: Jul 31, 2025
Questions: 487
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