Which AWS service provides infrastructure security optimization recommendations?

Answer options:

A.AWS Application Programming Interface(API)
B.Reserved Instances
C.AWS Trusted Advisor
D.Amazon Elastic Compute Cloud (Amazon EC2) SpotFleet

Answer – C
The AWS documentation mentions the following:
 An online resource to help you reduce cost, increase performance, and improve security by optimizing your AWS environment, Trusted Advisor provides real time guidance to help you provision your resources following AWS best practices
For more information on the AWS Trusted Advisor, please refer to the below URL:
https://aws.amazon.com/premiumsupport/trustedadvisor/
Choices A, B, and D are incorrect. They are not related to infrastructure security optimization.