Which of the following services helps in governance, compliance, and risk auditing in AWS?

Answer options:

A.AWS CloudFormation
B.AWS CloudTrail
C.AWS CloudWatch
D.AWS SNS

Answer - B
The AWS Documentation mentions the following:
AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account. With CloudTrail, you can log, continuously monitor, and retain account activity related to actions across your AWS infrastructure. CloudTrail provides event history of your AWS account activity, including actions taken through the AWS Management Console, AWS SDKs, command line tools, and other AWS services. This event history simplifies security analysis, resource change tracking, and troubleshooting.
For more information on AWS CloudTrail, please refer to the below URL:
https://aws.amazon.com/cloudtrail/