AWS Developer
Latest Objective Assessment Review
(With Solutions)
2026
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,1. Case: A developer needs to upload large files to S3 efficiently. Which
method is best?
- A. Single PUT request
- B. Multipart upload
- C. Sync via CLI
- D. Lambda function
Answer: B. Multipart upload
Rationale: Multipart upload improves reliability and performance for
large files.
2. Case: Which AWS service provides CI/CD pipelines for developers?
- A. CodePipeline
- B. CloudFormation
- C. CloudWatch
- D. IAM
Answer: A. CodePipeline
Rationale: CodePipeline automates build, test, and deployment.
3. Case: A developer wants to run unit tests automatically after each
commit. Which AWS service is best?
- A. CodeBuild
- B. CodeDeploy
- C. CodeCommit
- D. CloudTrail
Answer: A. CodeBuild
Rationale: CodeBuild compiles source code and runs tests.
4. Case: Which AWS service provides private Git repositories for
developers?
- A. CodeCommit
- B. CodePipeline
- C. CodeBuild
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, - D. S3
Answer: A. CodeCommit
Rationale: CodeCommit hosts private Git repositories.
5. Case: A developer wants to deploy applications to EC2 instances
automatically. Which service applies?
- A. CodeDeploy
- B. CodePipeline
- C. CloudFormation
- D. Elastic Beanstalk
Answer: A. CodeDeploy
Rationale: CodeDeploy automates deployments to EC2 and Lambda.
6. Case: Which AWS service allows developers to build serverless APIs?
- A. API Gateway + Lambda
- B. EC2 + ELB
- C. CloudFront + S3
- D. RDS + DynamoDB
Answer: A. API Gateway + Lambda
Rationale: API Gateway integrates with Lambda for serverless APIs.
7. Case: Which AWS SDK is used for Python development?
- A. boto3
- B. aws-sdk-js
- C. aws-sdk-java
- D. aws-sdk-go
Answer: A. boto3
Rationale: boto3 is the official Python SDK.
8. Case: A developer wants to monitor Lambda function execution logs.
Which service is used?
- A. CloudWatch Logs
- B. CloudTrail
- C. Config
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