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Linux Foundation LFCA Linux Foundation Certified IT Associate Exam Practice Test

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Total 60 questions
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Linux Foundation Certified IT Associate Questions and Answers

Question 1

On systemd-based Linux systems, what are runlevels called?

Options:

A.

Services

B.

Targets

C.

Units

D.

Modes

Question 2

An IT associate is creating a business case to adopt a DevOps approach in an organization. Which of the following is a benefit of DevOps to include in the business case?

Options:

A.

The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.

B.

Developers take on the work of the operations team. The operations team, therefore, needs fewer people, reducing the number of people the organization needs to pay.

C.

The frequency and stability of software deployments will be increased, which can lead to faster time to market.

D.

The new DevOps team takes over the work the development team does not have time to complete. The developers then have time to create new features.

Question 3

A team just developed a new feature on the company’s main web application. An IT associate wants to test this new feature by making it available for only 10% of the users. If everything works without any problems for a week, the associate will then make it available for all users. Which release type should be used to achieve this goal?

Options:

A.

Canary release

B.

Experimental release

C.

Alpha release

D.

Beta release

Question 4

Which of these providers host repositories of container images?

Options:

A.

Docker Hub

B.

GitHub

C.

Container Index

D.

GitLab

Question 5

Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?

Options:

A.

Kubernetes

B.

Vagrant

C.

Ansible

D.

Terraform

Question 6

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

Options:

A.

vCPU resources and disk cache

B Elapsed lime of function execution and memory used

B.

Virtual machine configuration and memory allocation

C.

Runtime environment and container configuration

Question 7

A company’s IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting. Of the options below, which is the best way of doing this?

Options:

A.

su single

B.

init singleuser

C.

Isu 1

D.

linit 1

Question 8

Which of the following best describes the technical term “Elasticity”?

Options:

A.

The degree to which a system can adapt to dynamic computing demands

B.

The degree to which a business accommodates larger loads just by adding resources

C.

The degree to which a system consistently performs according to its specifications

D.

The ability to meet the business's needs through a variety of cloud offerings

Question 9

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?

Options:

A.

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

B.

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

C.

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

D.

Use a content delivery network to distribute the streams.

Question 10

What technology could be used to address software dependency conflicts between applications on the same host operating system?

Options:

A.

Type 1 hvpervisors

B.

Type 2 hvpervisors

C.

Containers

D.

cgroups

Question 11

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

Options:

A.

/var/log

B.

/usr/local/logs

C.

/home/logs

D.

/etc/logs

Question 12

What does LVM stand for?

Options:

A.

Logical Virtualization Manager

B.

Linux Volume Manager

C.

Logical Volume Manager

D.

Linux Virtualization Manager

Question 13

What command is used to view new content as it is written to a log file?

Options:

A.

cat

B.

grep -f

C.

cut -f1-5

D.

tail -f

Question 14

A supervisor instructs an IT associate to encrypt all data on a particular partition on a Linux database host. What open source technology would be used to encrypt the data?

Options:

A.

MD5

B.

LUKS

C.

BitLocker

D.

ext4

Question 15

What file is created to assemble a Docker image, which contains all the commands a user has to run to make the image from start to finish?

Options:

A.

DockerBuild

B.

Dockerfile

C.

BuildFile

D.

ImageFile

Question 16

Which of the following standard log files would provide the most detailed information on why a recently upgraded custom kernel failed to boot?

Options:

A.

/var/log/boot.log

B.

/var/log/kern.log

C.

/var/log/svslog

D.

/var/log/auth.log

Question 17

Encryption that uses both a private key and public key is known as what?

Options:

A.

Key Pair Encryption (symmetric cryptography)

B.

HMAC Cryptography (hash based message authentication]

C.

Public Key Cryptography (asymmetric cryptography)

D.

DPE (dual-phased hybrid encryption]

Question 18

What is the Linux kernel?

Options:

A.

It is the core interface between a computer's hardware and its processes.

B.

It is another name for the operating system.

C.

It contains all the applications and software installed on the computer.

D.

It is the firmware for the computer's processor.

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Total 60 questions
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