This DVA-C02 practice question tests your understanding of development with aws services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer must locally test a SAM-based Lambda function with an API event before deployment. Which tool command family is designed for this?
AWS SAM CLI local invoke/start-api
Correct for the stated requirement.
AWS Shield Advanced CLI
Why wrong: This does not meet the stated requirement as directly as the correct option.
AWS Organizations policy simulator
Why wrong: This does not meet the stated requirement as directly as the correct option.
Amazon Inspector SBOM export
Why wrong: This does not meet the stated requirement as directly as the correct option.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS SAM CLI local invoke/start-api
The AWS SAM CLI provides the `local invoke` and `local start-api` commands specifically for testing Lambda functions locally with simulated API Gateway events before deployment. `sam local start-api` creates a local HTTP server that mimics API Gateway, allowing developers to send requests to their Lambda functions as if they were deployed, while `sam local invoke` directly invokes the function with a specified event payload. This is the only tool family designed for local testing of SAM-based Lambda functions with API events.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS SAM CLI local invoke/start-api
Why this is correct
Correct for the stated requirement.
Related concept
Read the scenario before looking for a memorised answer.
AWS Shield Advanced CLI
Why it's wrong here
This does not meet the stated requirement as directly as the correct option.
AWS Organizations policy simulator
Why it's wrong here
This does not meet the stated requirement as directly as the correct option.
Amazon Inspector SBOM export
Why it's wrong here
This does not meet the stated requirement as directly as the correct option.
Common exam traps
The trap here is that candidates may confuse the AWS SAM CLI with other AWS CLI tools or services, mistakenly thinking that general-purpose CLI commands or unrelated security tools can perform local Lambda testing with API events.
Detailed technical explanation
Under the hood, `sam local start-api` uses a local Docker container to run the Lambda runtime environment and maps API Gateway request templates to Lambda event objects, including headers, query parameters, and body. This allows developers to test authentication, request validation, and integration responses locally without incurring AWS costs. A subtle behavior is that the local API server does not enforce API Gateway throttling or usage plans, so performance testing under load must still be done in the cloud.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Development with AWS Services — This question tests Development with AWS Services — Read the scenario before looking for a memorised answer..
The correct answer is: AWS SAM CLI local invoke/start-api — The AWS SAM CLI provides the `local invoke` and `local start-api` commands specifically for testing Lambda functions locally with simulated API Gateway events before deployment. `sam local start-api` creates a local HTTP server that mimics API Gateway, allowing developers to send requests to their Lambda functions as if they were deployed, while `sam local invoke` directly invokes the function with a specified event payload. This is the only tool family designed for local testing of SAM-based Lambda functions with API events.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This DVA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DVA-C02 exam.
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