This DVA-C02 practice question tests your understanding of development with aws services. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
The above command invokes a Lambda function. The response includes 'FunctionError': 'Handled'. What does this indicate?
The function threw an exception that was caught and returned as an error.
Correct: 'Handled' means the error was handled by the code.
The function had a permission error.
Why wrong: Incorrect: Permission errors return 403, not 200.
The function executed successfully.
Why wrong: Incorrect: 'FunctionError' indicates an error occurred.
The function timed out.
Why wrong: Incorrect: Timeout results in 'Unhandled' error.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The function threw an exception that was caught and returned as an error.
When a Lambda function is invoked and the response includes `'FunctionError': 'Handled'`, it indicates that the function code threw an exception that was caught by the Lambda runtime and returned as a structured error response. This is distinct from an unhandled error, which would result in `'FunctionError': 'Unhandled'`. The `Handled` status means the function executed its code but explicitly raised an exception (e.g., via `raise` in Python or `throw` in Node.js) that was not caught internally, causing the runtime to return the error payload to the caller.
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.
The function threw an exception that was caught and returned as an error.
Why this is correct
Correct: 'Handled' means the error was handled by the code.
Related concept
Read the scenario before looking for a memorised answer.
The function had a permission error.
Why it's wrong here
Incorrect: Permission errors return 403, not 200.
The function executed successfully.
Why it's wrong here
Incorrect: 'FunctionError' indicates an error occurred.
The function timed out.
Why it's wrong here
Incorrect: Timeout results in 'Unhandled' error.
Common exam traps
The trap here is that candidates confuse `'FunctionError': 'Handled'` with a successful execution or a permission issue, not realizing that `Handled` specifically means the function code threw an exception that was caught by the runtime, while `Unhandled` indicates a runtime crash or timeout.
Detailed technical explanation
Under the hood, the Lambda runtime distinguishes between handled and unhandled errors by inspecting whether the function's code raised an exception that propagated to the runtime's invocation handler. For handled errors, the runtime serializes the exception into a JSON error response (including `errorType`, `errorMessage`, and `stackTrace`) and sets `FunctionError` to `Handled`. This is critical for asynchronous invocations where the error is sent to a dead-letter queue or a destination, as only handled errors can be caught and processed by downstream systems without causing invocation retries.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Quick reference
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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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: The function threw an exception that was caught and returned as an error. — When a Lambda function is invoked and the response includes `'FunctionError': 'Handled'`, it indicates that the function code threw an exception that was caught by the Lambda runtime and returned as a structured error response. This is distinct from an unhandled error, which would result in `'FunctionError': 'Unhandled'`. The `Handled` status means the function executed its code but explicitly raised an exception (e.g., via `raise` in Python or `throw` in Node.js) that was not caught internally, causing the runtime to return the error payload to the caller.
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: Jul 4, 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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