Amazon Exam DVA-C02 Topic 7 Question 31 Discussion

Actual exam question for Amazon's DVA-C02 exam

Question #: 31
Topic #: 7

A developer has an application that is composed of many different AWS Lambda functions. The Lambda functions all use some of the same dependencies. To avoid security issues the developer is constantly updating the dependencies of all of the Lambda functions. The result is duplicated effort to reach function.

How can the developer keep the dependencies of the Lambda functions up to date with the LEAST additional complexity?

ADefine a maintenance window for the Lambda functions to ensure that the functions get updated copies of the dependencies.

BUpgrade the Lambda functions to the most recent runtime version.

CDefine a Lambda layer that contains all of the shared dependencies.

DUse an AWS CodeCommit repository to host the dependencies in a centralized location.

Show Suggested Answer

Suggested Answer: B

DynamoDB Streams:Capture near real-time changes to DynamoDB tables, triggering downstream actions.

Lambda for Processing:Lambda functions provide a serverless way to execute code in response to events like DynamoDB Stream updates.

Minimal Code Changes:This solution requires the least modifications to the existing application.

DynamoDB Streams:https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.html

AWS Lambda:https://aws.amazon.com/lambda/

by Ashlee at Jul 08, 2024, 02:36 PM

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Cristina

1 months ago

Upgrading the runtime version? What is this, the Stone Age? The Lambda layer is clearly the superior choice here. It's the 21st century, people!

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Carry

1 months ago

I was leaning towards option D, but the Lambda layer makes a lot more sense. Less complexity and easier to manage in the long run.

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Nguyet

1 months ago

Haha, imagine the developer trying to manually update each function. That would be a nightmare! The Lambda layer is definitely the way to go here.

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Lavonne

20 hours ago

That's a great idea! It would definitely save the developer a lot of time and effort.

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Luisa

17 days ago

C) Define a Lambda layer that contains all of the shared dependencies.

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3 months ago

I think option C is the best choice. It would reduce duplicated effort and ensure all functions have the same dependencies.

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