- A
Create a resource-based policy on the DynamoDB table that allows access from the Lambda execution role.
DynamoDB supports resource-based policies for fine-grained access.
- B
Configure the Lambda function to assume an IAM role in the DynamoDB account.
Why wrong: Lambda cannot assume cross-account roles directly; the resource-based policy is the correct approach.
- C
Add a trust policy to the Lambda execution role allowing the DynamoDB account to access it.
Why wrong: This is not required; the Lambda execution role does not need to be trusted by the DynamoDB account.
- D
Add a bucket policy to the DynamoDB table to allow cross-account access.
Why wrong: DynamoDB does not use bucket policies; it uses resource-based policies.
- E
In the Lambda account, attach an IAM policy to the Lambda execution role that allows access to the DynamoDB table.
The Lambda execution role must have permissions to perform the desired DynamoDB actions.
DVA-C02 Development with AWS Services Practice Question
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.
Which THREE steps are required to enable cross-account access to a DynamoDB table from a Lambda function in another AWS account?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create a resource-based policy on the DynamoDB table that allows access from the Lambda execution role.
Options A, B, and D are correct. The DynamoDB table must have a resource-based policy allowing the Lambda execution role. The Lambda execution role must have a trust policy allowing the other account to assume it. Option C is not required because DynamoDB uses resource-based policies; an S3 bucket policy is not relevant. Option E is not correct because DynamoDB does not support bucket policies.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a resource-based policy on the DynamoDB table that allows access from the Lambda execution role.
Why this is correct
DynamoDB supports resource-based policies for fine-grained access.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure the Lambda function to assume an IAM role in the DynamoDB account.
Why it's wrong here
Lambda cannot assume cross-account roles directly; the resource-based policy is the correct approach.
- ✗
Add a trust policy to the Lambda execution role allowing the DynamoDB account to access it.
Why it's wrong here
This is not required; the Lambda execution role does not need to be trusted by the DynamoDB account.
- ✗
Add a bucket policy to the DynamoDB table to allow cross-account access.
Why it's wrong here
DynamoDB does not use bucket policies; it uses resource-based policies.
- ✓
In the Lambda account, attach an IAM policy to the Lambda execution role that allows access to the DynamoDB table.
Why this is correct
The Lambda execution role must have permissions to perform the desired DynamoDB actions.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which DVA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Development with AWS Services — study guide chapter
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FAQ
Questions learners often ask
What does this DVA-C02 question test?
Development with AWS Services — This question tests Development with AWS Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a resource-based policy on the DynamoDB table that allows access from the Lambda execution role. — Options A, B, and D are correct. The DynamoDB table must have a resource-based policy allowing the Lambda execution role. The Lambda execution role must have a trust policy allowing the other account to assume it. Option C is not required because DynamoDB uses resource-based policies; an S3 bucket policy is not relevant. Option E is not correct because DynamoDB does not support bucket policies.
What should I do if I get this DVA-C02 question wrong?
Identify which DVA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 20, 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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