What is required to trace Lambda-based applications with AWS X-Ray?

What is required to trace Lambda-based applications with AWS X-Ray?
A . Send logs from the Lambda application to an S3 bucket; trigger a Lambda function from the bucket to send data to AWS X-Ray.
B . Trigger a Lambda function from the application logs in Amazon CloudWatch to submit tracing data to AWS X-Ray.
C . Use an IAM execution role to give the Lambda function permissions and enable tracing.
D . Update and add AWS X-Ray daemon code to relevant parts of the Lambda function to set up the trace.

View Answer

Answer: B

Explanation:

Reference: https://docs.aws.amazon.com/lambda/latest/dg/services-xray.html