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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 108 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02

Question #: 108
Topic #: 1

[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is updating several AWS Lambda functions and notices that all the Lambda functions share the same custom libraries. The developer wants to centralize all the libraries, update the libraries in a convenient way, and keep the libraries versioned.

Which solution will meet these requirements with the LEAST development effort?

A. Create an AWS CodeArtifact repository that contains all the custom libraries.
B. Create a custom container image for the Lambda functions to save all the custom libraries.
C. Create a Lambda layer that contains all the custom libraries.
D. Create an Amazon Elastic File System (Amazon EFS) file system to store all the custom libraries.

Show Suggested Answer

Suggested Answer: C 🗳️

by MrTee at April 22, 2023, 6:17 p.m.

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Comments

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MrTee

Highly Voted 2 years, 2 months ago

Selected Answer: C

the most efficient solution is to use a Lambda layer to store the common libraries, update them in one place, and reference them from each Lambda function that requires them.

upvoted 18 times

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sumanshu

Most Recent 6 months, 3 weeks ago

Selected Answer: C

Lambda layers allow you to manage your shared libraries separately from the function code A) Eliminated - it would require additional steps for Lambda functions to access these libraries. The Lambda functions would need to fetch the libraries at runtime, adding more complexity to your setup. B/D) Additional overhead

upvoted 1 times

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65703c1

1 year, 1 month ago

Selected Answer: C

C is the correct answer.

upvoted 1 times

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HuiHsin

2 years, 1 month ago

Selected Answer: C

The Lambda layer of option C provides a simpler solution without the need to introduce an additional CodeArtifact service.

upvoted 3 times

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loctong

2 years, 2 months ago

Selected Answer: C

Lambda layers are a distribution mechanism for libraries, custom runtimes, and other function dependencies in AWS Lambda. By creating a Lambda layer, you can package and centrally manage the shared custom libraries for the Lambda functions.

upvoted 2 times

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loctong

2 years, 2 months ago

Selected Answer: C

It should be Create a Lambda layer.

upvoted 1 times

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Ryan1002

2 years, 2 months ago

Why not CodeArtifact? "CodeArtifact allows you to store artifacts using popular package managers and build tools like Maven, Gradle, npm, Yarn, Twine, pip, and NuGet. CodeArtifact can automatically fetch software packages on demand from public package repositories so you can access the latest versions of application dependencies."

upvoted 2 times

nbxyzd

8 months, 2 weeks ago

"LEAST development effort" While CodeArtifact can be integrated with Lambda, it typically involves additional steps such as setting up credentials and configuring the Lambda functions to access the repository. This can require more development effort compared to Lambda Layer which is specifically designed for Lambda.

upvoted 1 times

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jipark

1 year, 11 months ago

"LEAST development effort"

upvoted 3 times

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[Removed]

1 year, 7 months ago

We are updating a Lambda function. Lambda layers are specifically used for situations mentioned in this question

upvoted 1 times

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