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  • Exam Name: CompTIA Linux+ Certification Exam
  • Last Update: 27-Mar-2023
  • Questions and Answers: 483
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XK0-004 Questions and Answers

Question # 1

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

Question # 2

A Linux server needs to be accessed, but the root password is not available.

Which of the following would BEST allow an administrator to regain access and set a new known password at the same time?

A.

Boot into a single-user mode and reset the password via the passwd command.

B.

Boot into a single-user mode and reset the password by editing the /etc/passwd file.

C.

Boot into a single-user mode and reset the password by editing the /etc/shadow file.

D.

Boot into a single-user mode and reset the password via the chage command.

Question # 3

A junior Linux administrator is installing patches using YUM. The administrator issues the following command:

yum list installed

The output of the command is as follows:

XK0-004 question answer

Given this scenario and the output, which of the following should the administrator do to address this issue?

A.

renice –n 9 –p 5180

B.

killall yum

C.

ps –ef | grep yum

D.

top | grep yum

Question # 4

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

Question # 5

A Linux system is running normally when the systems administrator receives an alert that one application spawned many processes. The application is consuming a lot of memory, and it will soon cause the machine to become unresponsive. Which of the following commands will stop each application process?

A.

kill ‘pidof application’

B.

killall application

C.

kill -9 ‘ps –aux | grep application’

D.

pkill -9 application

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