This DVA-C02 practice question tests your understanding of security. 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 is creating an IAM policy to allow a Lambda function to write logs to CloudWatch. Which policy should be attached to the Lambda execution role?
AWSLambdaBasicExecutionRole
This managed policy grants the necessary CloudWatch Logs permissions.
AdministratorAccess
Why wrong: Too permissive, violates least privilege.
AmazonDynamoDBFullAccess
Why wrong: This is for DynamoDB, not CloudWatch.
AmazonS3FullAccess
Why wrong: This is for S3, not CloudWatch.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWSLambdaBasicExecutionRole
The AWSLambdaBasicExecutionRole managed policy grants permissions for Lambda to write logs to CloudWatch Logs, specifically allowing the logs:CreateLogGroup, logs:CreateLogStream, and logs:PutLogEvents actions. This is the minimal set of permissions required for a Lambda function to send execution logs to CloudWatch, making it the correct choice for this use case.
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.
AWSLambdaBasicExecutionRole
Why this is correct
This managed policy grants the necessary CloudWatch Logs permissions.
Related concept
Read the scenario before looking for a memorised answer.
AdministratorAccess
Why it's wrong here
Too permissive, violates least privilege.
AmazonDynamoDBFullAccess
Why it's wrong here
This is for DynamoDB, not CloudWatch.
AmazonS3FullAccess
Why it's wrong here
This is for S3, not CloudWatch.
Common exam traps
The trap here is that candidates may mistakenly choose a broad policy like AdministratorAccess or a service-specific policy like AmazonDynamoDBFullAccess, thinking they need to grant 'full' permissions or that the Lambda function might need access to other services, when the question specifically asks only for CloudWatch logging permissions.
Detailed technical explanation
Under the hood, the AWSLambdaBasicExecutionRole policy is defined as an AWS managed policy (arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole) that explicitly allows only the three CloudWatch Logs API actions. This policy is automatically created by AWS when you create a Lambda function with basic execution permissions, and it ensures that the Lambda execution role has exactly the permissions needed to create log groups and streams and to put log events, without granting access to other services. In a real-world scenario, if your Lambda function also needs to write to DynamoDB or S3, you would attach additional policies (e.g., AmazonDynamoDBFullAccess or custom policies) alongside AWSLambdaBasicExecutionRole, but for logging alone, this policy is sufficient.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Security — This question tests Security — Read the scenario before looking for a memorised answer..
The correct answer is: AWSLambdaBasicExecutionRole — The AWSLambdaBasicExecutionRole managed policy grants permissions for Lambda to write logs to CloudWatch Logs, specifically allowing the logs:CreateLogGroup, logs:CreateLogStream, and logs:PutLogEvents actions. This is the minimal set of permissions required for a Lambda function to send execution logs to CloudWatch, making it the correct choice for this use case.
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 24, 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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