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Amazon DVA-C02 Exam - Topic 4 Question 52 Discussion

A developer is building a serverless application that is based on AWS Lambda. The developer initializes the AWS software development kit (SDK) outside of the Lambda handcar function.What is the PRIMARY benefit of this action?
B) Takes advantage of runtime environment reuse
A) Improves legibility and systolic convention
C) Provides better error handling
D) Creates a new SDK instance for each invocation

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?

Show Suggested Answer Hide 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
5 months ago
B is the right choice, saves on cold starts!
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Johnetta
5 months ago
A seems like a stretch, honestly.
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Aleisha
6 months ago
Definitely B, runtime reuse is key!
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Desmond
6 months ago
Surprised it's not C, I always thought that was important too.
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Polly
6 months ago
I thought it was about better error handling, but I guess not.
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Sherly
6 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
7 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
7 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
7 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
7 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
7 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
8 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
8 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
8 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
10 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
8 months ago
It's like having your tools ready to go whenever you need them.
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Alesia
9 months ago
I agree, reusing the runtime environment definitely improves efficiency.
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Laurena
10 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
8 months ago
User 3: I agree, taking advantage of runtime environment reuse is important.
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Marshall
9 months ago
User 2: Actually, option B is the way to go.
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Sherrell
10 months ago
User 1: I think option D is the primary benefit.
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Chaya
10 months ago
I think in this case, improving legibility is more important for maintainability.
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Annice
10 months ago
That's true, but it depends on the specific requirements of the application.
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Helaine
11 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
10 months ago
User 2: Definitely, reusing the runtime environment is key for serverless efficiency.
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Derrick
10 months ago
User 1: Haha, that's a good one! I agree, option B is the way to go.
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Lemuel
11 months ago
But wouldn't taking advantage of runtime environment reuse be more efficient?
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Chaya
11 months ago
I agree with Annice, it makes the code easier to read and understand.
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Jeniffer
11 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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Mari
10 months ago
C: D) Creates a new SDK instance for each invocation
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Yvette
10 months ago
B: That's right! It helps improve performance by reusing the runtime environment.
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Cecilia
10 months ago
A: B) Takes advantage of runtime environment reuse
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Ernest
11 months ago
Option B seems like the most logical choice. Reusing the runtime environment can significantly improve the performance of the serverless application.
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Tonette
11 months ago
Yes, it's a more efficient use of resources compared to creating a new SDK instance for each invocation.
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Elina
11 months ago
It also helps in reducing the initialization time for the Lambda function.
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Adelina
11 months ago
I agree, reusing the runtime environment can definitely improve performance.
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Annice
11 months ago
I think the primary benefit is improved legibility and systolic convention.
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