Amazon Web Services DVA-C02 Exam With Confidence Using Practice Dumps

This solution will meet the requirements by allowing the Lambda functions to access the DB cluster securely within the same VPC without crossing the public internet. The developer can configure a VPC endpoint for RDS in a private subnet and assign it to the Lambda functions. The developer can also configure a security group for the Lambda functions that allows inbound traffic from the DB cluster on port 3306 (MySQL). Option A is not optimal because it will expose the DB cluster to public access, which may compromise its security and data integrity. Option B is not optimal because it will introduce additional latency and complexity to use an RDS database proxy for accessing the DB cluster from Lambda functions within the same VPC. Option C is not optimal because it will require additional costs and configuration to use a NAT gateway for accessing resources in private subnets from Lambda functions.

To begin using AWS X-Ray, the team must (1) instrument the application to emit trace segments/subsegments and (2) ensure there is a component that can send trace data to the X-Ray service.

Instrumenting code is typically done with the AWS X-Ray SDK (language-specific). This adds tracing to inbound requests and downstream calls, creates segments/subsegments, and attaches annotations/metadata. That corresponds to Option C.

For many compute environments (especially EC2, ECS on EC2, and on-prem servers), the application sends trace data via the X-Ray daemon/agent running locally. The daemon batches segments and forwards them to the X-Ray service endpoint. That corresponds to Option D.

Option B is helpful after traces exist (using the X-Ray console or CloudWatch ServiceLens), but it is not a prerequisite to “begin using” X-Ray.

Option A is unrelated. X-Ray does not require SQS for instrumentation output.

Option E is incorrect because X-Ray stores trace data in its managed backend; you do not create a DynamoDB table for trace logs.

Therefore, the team needs to instrument the code with the X-Ray SDK and install/run the X-Ray agent/daemon on the servers where the application runs.