Expert Answers to Amazon Web Services Exam DVA-C02 Questions

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AWS Certified Associate AWS Certified Developer - Associate

AWS Certified Developer - Associate

Last Update Apr 1, 2025
Total Questions : 368

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Questions 2

A company is migrating legacy internal applications to AWS. Leadership wants to rewrite the internal employee directory to use native AWS services. A developer needs to create a solution for storing employee contact details and high-resolution photos for use with the new application.

Which solution will enable the search and retrieval of each employee's individual details and high-resolution photos using AWS APIs?

Options:

Encode each employee's contact information and photos using Base64. Store the information in an Amazon DynamoDB table using a sort key.

Store each employee's contact information in an Amazon DynamoDB table along with the object keys for the photos stored in Amazon S3.

Use Amazon Cognito user pools to implement the employee directory in a fully managed software-as-a-service (SaaS) method.

Store employee contact information in an Amazon RDS DB instance with the photos stored in Amazon Elastic File System (Amazon EFS).

Discussion 0

Questions 3

A developer is troubleshooting an Amazon API Gateway API Clients are receiving HTTP 400 response errors when the clients try to access an endpoint of the API.

How can the developer determine the cause of these errors?

Options:

Create an Amazon Kinesis Data Firehose delivery stream to receive API call logs from API Gateway. Configure Amazon CloudWatch Logs as the delivery stream's destination.

Turn on AWS CloudTrail Insights and create a trail Specify the Amazon Resource Name (ARN) of the trail for the stage of the API.

Turn on AWS X-Ray for the API stage Create an Amazon CtoudWalch Logs log group Specify the Amazon Resource Name (ARN) of the log group for the API stage.

Turn on execution logging and access logging in Amazon CloudWatch Logs for the API stage. Create a CloudWatch Logs log group. Specify the Amazon Resource Name (ARN) of the log group for the API stage.

Discussion 0

Questions 4

A company caches session information for a web application in an Amazon DynamoDB table. The company wants an automated way to delete old items from the table.

What is the simplest way to do this?

Options:

Write a script that deletes old records; schedule the script as a cron job on an Amazon EC2 instance.

Add an attribute with the expiration time; enable the Time To Live feature based on that attribute.

Each day, create a new table to hold session data; delete the previous day's table.

Add an attribute with the expiration time; name the attribute ItemExpiration.

Discussion 0

Questions 5

A company has an application that runs across multiple AWS Regions. The application is experiencing performance issues at irregular intervals. A developer must use AWS X-Ray to implement distributed tracing for the application to troubleshoot the root cause of the performance issues.

What should the developer do to meet this requirement?

Options:

Use the X-Ray console to add annotations for AWS services and user-defined services

Use Region annotation that X-Ray adds automatically for AWS services Add Region annotation for user-defined services

Use the X-Ray daemon to add annotations for AWS services and user-defined services

Use Region annotation that X-Ray adds automatically for user-defined services Configure X-Ray to add Region annotation for AWS services

Discussion 0

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