Final answer:
Amazon CloudTrail provides account-wide auditing and API logging for actions taken in AWS accounts, capturing all API calls as event logs. It does not offer log ingestion, metrics management, or account restrictions.
Thus option 4. - Account wide Auditing and API Logging. is correct answer.
Step-by-step explanation:
Amazon CloudTrail is a service that provides account-wide auditing and API logging for AWS accounts. It allows users to monitor and record account activity related to actions taken through the AWS Management Console, AWS SDKs, command line tools, and other AWS services.
CloudTrail captures all API calls as event logs, providing valuable information for security analysis and operational troubleshooting.
This service does not provide log ingestion, metrics management, or account restrictions functionality. Instead, its core purpose is to enable governance, compliance, and operational and risk auditing of your AWS account.
Users can configure CloudTrail to deliver log files to an Amazon S3 bucket for storage and analysis using other tools and services, such as Amazon Athena or AWS Lambda.
Thus option 4. - Account wide Auditing and API Logging. is correct answer.