Amazon DVA-C02 Exam - Topic 4 Question 52 Discussion

Actual exam question for Amazon's DVA-C02 exam

Question #: 52
Topic #: 4

[All DVA-C02 Questions]

A developer is building a serverless application that is based on AWS Lambd

a. The developer initializes the AWS software development kit (SDK) outside of the Lambda handcar function.

What is the PRIMARY benefit of this action?

AImproves legibility and systolic convention

BTakes advantage of runtime environment reuse

CProvides better error handling

DCreates a new SDK instance for each invocation

Show Suggested Answer

Suggested Answer: B

This benefit occurs when initializing the AWS SDK outside of the Lambda handler function because it allows the SDK instance to be reused across multiple invocations of the same function. This can improve performance and reduce latency by avoiding unnecessary initialization overhead. If the SDK is initialized inside the handler function, it will create a new SDK instance for each invocation, which can increase memory usage and execution time.

by Ammie at Jul 05, 2025, 05:14 PM

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Kimberely

3 months ago

B is the right choice, saves on cold starts!

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Johnetta

3 months ago

A seems like a stretch, honestly.

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Aleisha

3 months ago

Definitely B, runtime reuse is key!

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Desmond

3 months ago

Surprised it's not C, I always thought that was important too.

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Polly

4 months ago

I thought it was about better error handling, but I guess not.

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Sherly

4 months ago

I definitely recall that creating a new SDK instance for each invocation is not efficient, so it must be about reusing something.

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Filiberto

4 months ago

I practiced a similar question, and I feel like the answer might be about error handling, but that doesn't seem right for this context.

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Emilio

4 months ago

I think it has something to do with reusing the runtime environment, which is a common topic in serverless architecture discussions.

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Misty

4 months ago

I remember discussing how initializing the SDK outside the handler can help with performance, but I'm not sure if that's the main benefit.

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Gerry

5 months ago

I'm not entirely sure about this one. I know there are benefits to reusing the runtime environment in Lambda, but I'm not sure if that's the primary reason for initializing the SDK outside the handler function.

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Jarod

5 months ago

I'm pretty confident I know the answer to this one. Initializing the SDK outside the handler takes advantage of the runtime environment reuse in Lambda, which can improve overall performance and efficiency.

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Alida

5 months ago

Okay, let me think this through. If the SDK is initialized outside the handler, that means it can be reused across multiple invocations, right? That would probably improve performance and reduce overhead.

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Karl

5 months ago

Hmm, I'm a bit confused on this one. I know the SDK is used to interact with AWS services, but I'm not sure how initializing it outside the handler function would impact performance or efficiency.

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Juan

5 months ago

This seems like a pretty straightforward question about AWS Lambda. I think the key is to understand the benefits of initializing the SDK outside the Lambda handler function.

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Josephine

7 months ago

Option B is the answer, no doubt. Reusing the runtime environment is like letting your car engine idle instead of turning it off and on for every trip. Efficiency, baby!

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Claudia

6 months ago

It's like having your tools ready to go whenever you need them.

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Alesia

6 months ago

I agree, reusing the runtime environment definitely improves efficiency.

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Laurena

7 months ago

Wait, I thought the primary benefit was to create a new SDK instance for each invocation. Oh, wait, that's option D. Nevermind, option B is the way to go.

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Cory

6 months ago

User 3: I agree, taking advantage of runtime environment reuse is important.

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Marshall

6 months ago

User 2: Actually, option B is the way to go.

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Sherrell

7 months ago

User 1: I think option D is the primary benefit.

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Chaya

8 months ago

I think in this case, improving legibility is more important for maintainability.

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Annice

8 months ago

That's true, but it depends on the specific requirements of the application.

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Helaine

8 months ago

Haha, I bet the developer's code is as serverless as a skyscraper. But seriously, option B is the correct answer. Reusing the runtime environment is a must for efficient serverless apps.

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Tawny

7 months ago

User 2: Definitely, reusing the runtime environment is key for serverless efficiency.

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Derrick

7 months ago

User 1: Haha, that's a good one! I agree, option B is the way to go.

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Lemuel

8 months ago

But wouldn't taking advantage of runtime environment reuse be more efficient?

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Chaya

8 months ago

I agree with Annice, it makes the code easier to read and understand.

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Jeniffer

8 months ago

I agree with Ernest. Initializing the SDK outside the Lambda handler function allows the runtime environment to be reused, which is a big performance boost for serverless apps.

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