Linux Foundation LFCA Practice Questions| TestInsights

Question 1

Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?

AAn application that requires a local file system

BAn application that continuously polls for work to process

CAn event-driven application with dynamic scaling

DAn application that requires a regionally- or globally-distributed file system

Correct : C

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AAn application that requires a local file system

BAn application that continuously polls for work to process

CAn event-driven application with dynamic scaling

DAn application that requires a regionally- or globally-distributed file system

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?

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

BDevelopers 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.

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

DThe 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.

Correct : C

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

BDevelopers 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.

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

DThe 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

After installing the package 'postfix', what command would you run in order to ensure that Postfix is started on reboot?

A/etc/init.d/enable postfix

Benable postfix on

Cpostfix -onboot yes

Dsvstemctl enable postfix

Correct : D

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A/etc/init.d/enable postfix

Benable postfix on

Cpostfix -onboot yes

Dsvstemctl enable postfix

Question 4

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 : D

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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.

Question 5

The Linux kernel uses a:

Adual architecture
B microkernel architecture

Cmonolithic architecture

Dhybrid microkernel architecture

Correct : C

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Adual architecture
B microkernel architecture

Cmonolithic architecture

Dhybrid microkernel architecture

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