Linux Foundation LFCA Practice Test – Member Shared Questions, Page 3

Question 21

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?

A.

climits

B.

UnionFS

C.

Namespaces

D.

cqroups

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Question 22

Which option will cause ls to display hidden files and folders?

A.

ls -v

B.

ls -l

C.

ls -a

D.

ls -t

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Question 23

In which file are system and user account passwords stored?

A.

/etc/passwd

B.

/etc/login.defs

C.

/etc/shadow

D.

/etc/secure

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Question 24

Which of these providers host repositories of container images?

A.

Docker Hub

B.

GitHub

C.

Container Index

D.

GitLab

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Question 25

What is an appropriate cost consideration when implementing serverless functions in the cloud?

A.

vCPU resources and disk cache

B.

Elapsed lime of function execution and memory used

C.

Virtual machine configuration and memory allocation

D.

Runtime environment and container configuration

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Question 26

Which of the following best describes open source compliance?

A.

A process by which software components are compiled in a development environment, pushed to staging, and then finally moved to production

B.

A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components

C.

A process by which users of open source software evaluate each line of their code against an open source dictionary to determine which components have been plagiarized

D.

A process by which open source software is first initiated by a requirements analysis, followed by design and then implementation, with a final testing step

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Question 27

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

A.

SystemsDeplover

B.

Vault

C.

Terraform

D.

Docker

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Question 28

Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?

A.

OpenVPN

B.

GNUVPN

C.

NordVPN

D.

VPNConnect

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Question 29

What does IaaS stand for?

A.

IT as a Service

B.

Integration as a Service

C.

Infrastructure as a Service

D.

Information as a Service

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Question 30

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

A.

Use the loqrotate utility to periodically rotate the loq files.

B.

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

C.

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

D.

Manually empty the log files every day of the week.

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Linux Foundation LFCA Practice Test - Questions Answers, Page 3

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Related questions

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

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