Free Practice Questions for Linux Foundation LFCA Exam

Question 1

What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?

AServerless architecture

BContainer architecture

CSOA architecture

DMicro-service architecture

Correct Answer: D. Micro-service architecture

Question 2

By default, the Linux operating system uses what access control to manage files/users?

ADiscretionary Access Control

BMandatory Access Control

CLeast Privilege

DFull Control

Correct Answer: A. Discretionary Access Control

Question 3

An IT associate is working with a video streaming provider. What is a common approach to reduce bandwidth cost while supporting the same or an increasing number of video streams and customers?

AStop serving the video streams when a certain price limit is reached.

BReduce the bitrate to reduce the size of the video streams.

CServe the video streams only to a limited number of users at a time.

DUse a content delivery network to distribute the streams.

Correct Answer: D. Use a content delivery network to distribute the streams.

Question 4

Which of the following is considered a best practice for hardening SSHD?

AUsing portknocking to protect ssh access for root

BCompletely disabling ssh access

CDisabling ssh access for root

DRenaming root to a random name

Correct Answer: C. Disabling ssh access for root

Question 5

What open source tool is used to manage instances in the cloud using infrastructure as code?

ASystemsDeplover

BVault

CTerraform

DDocker

Correct Answer: C. Terraform

Question 6

Which is a common best practice to automatically reduce disk usage associated with the storage of log files?

AUse the loqrotate utility to periodically rotate the loq files.

BCreate a cron job that deletes all log files in the folder every day.

CDelete the Vvar/log' directory so the log files are prevented from being created.

DManually empty the log files every day of the week.

Correct Answer: A. Use the loqrotate utility to periodically rotate the loq files.

Question 7

An IT team is currently implementing a custom software platform to address some key needs of the company. Which of the following is considered a functional requirement?

AIdentifying the purpose of the proposed system

BIdentifying the users of the proposed system

CIdentifying the development methodology

DIdentifying the technology stack of the proposed system

Correct Answer: A. Identifying the purpose of the proposed system

Question 8

What is the underlying technology that allows containers to be restricted to defined limits for system resource usage such as CPU, memory, and network bandwidth?

Aclimits

BUnionFS

CNamespaces

Dcqroups

Correct Answer: D. cqroups

Question 9

When using vi or vim to edit a file, how do you exit without saving?

A:q!

BZZ

C:wq!

D:exit

Correct Answer: A. :q!

Question 10

An IT associate would find the log files for syslog in which of the following directories?

A/var/log

B/usr/local/logs

C/home/logs

D/etc/logs

Correct Answer: A. /var/log