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A company has built an AWS Lambda function to convert large image files into output files that can be used in a third-party viewer application The company recently added a new module to the function to improve the output of the generated files However, the new module has increased the bundle size and has increased the time that is needed to deploy changes to the function code.
How can a developer increase the speed of the Lambda function deployment?
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B
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Explanation
Problem: Large bundle size increases Lambda deployment time. Lambda Layers: Layers let you package dependencies separately from your function code. This optimizes the deployment package, making updates faster. Modularization: Breaking down dependencies into layers improves code organization and reusability. [References:, AWS Lambda Layers: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html, , ]
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A company is using AWS SAM to develop a social media application. A developer needs a quick way to test AWS Lambda functions locally by using test event payloads. The developer needs the structure of these test event payloads to match the actual events that AWS services create.
Which solution will meet these requirements with the LEAST development effort?
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D
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Explanation
AWS SAM provides built-in tooling to generate realistic event payloads that match the structure of events produced by AWS services (such as S3, SNS, SQS, API Gateway, EventBridge, and others). The command designed specifically for this purpose is sam local generate-event. It produces sample event JSON that mirrors the format AWS services deliver to Lambda, which meets the requirement that payload structures match real service events. This approach also requires the least development effort because the developer does not need to manually craft and maintain JSON payload files. Instead, the developer can generate the appropriate event type with SAM, optionally tweak values (bucket name, object key, request parameters), and then run sam local invoke using the generated payload. This significantly reduces mistakes and saves time, especially when testing multiple event sources. Why other options are less suitable: A (shareable test events) is vague and typically still requires manual creation/maintenance. B requires manually creating payloads, which is error-prone and higher effort. C adds unnecessary operational overhead (S3 storage) and still relies on manual payload creation. Therefore, using sam local generate-event is the quickest and lowest-effort way to generate accurate AWS-service-like test payloads for local Lambda testing. |
A company's application has an AWS Lambda function that processes messages from loT devices. The company wants to monitor the Lambda function to ensure that the Lambda function is meeting its required service level agreement (SLA).
A developer must implement a solution to determine the application's throughput in near real time. The throughput must be based on the number of messages that the Lambda function receives and processes in a given time period. The Lambda function performs initialization and post-processing steps that must not factor into the throughput measurement.
What should the developer do to meet these requirements?
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C
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Find answers to the most common questions about the Amazon Web Services DVA-C02 exam, including what it is, how to prepare, and how it can boost your career.
The Amazon Web Services DVA-C02 certification is a globally-acknowledged credential that is awarded to candidates who pass this certification exam by obtaining the required passing score. This credential attests and validates the candidates' knowledge and hands-on skills in domains covered in the Amazon Web Services DVA-C02 certification syllabus. The Amazon Web Services DVA-C02 certified professionals with their verified proficiency and expertise are trusted and welcomed by hiring managers all over the world to perform leading roles in organizations. The success in Amazon Web Services DVA-C02 certification exam can be ensured only with a combination of clear knowledge on all exam domains and securing the required practical training. Like any other credential, Amazon Web Services DVA-C02 certification may require periodic renewal to stay current with new innovations in the concerned domains.