Correct Answer: C
Cloud adoption provides clients with sustainable business advantages. Bringing in specialized skills, tools and experience form a cloud vendor can help clients in their cloud adoption journey extensively. AWS Professional Services organization provides a global team of experts for achieving specific business outcomes for clients during their journey to AWS Cloud. One of the tools provided by AWS is the Cloud Adoption Readiness Tool (CART). CART helps access the cloud readiness of an Organization wanting to move to AWS Cloud using a survey for accessing cloud readiness across different perspectives like business, people, process, platform, operations & security. After CART survey completion, a customized cloud migration assessment report charting the readiness of the Organization and improvement areas is suggested
Option A is incorrect since Trusted Advisor is an online tool for provisioning AWS resources using best practices to reduce cost, increase performance / fault tolerance, improve security by optimizing the AWS environment.
Option B is incorrect since AWS whitepapers features a list of technical white papers covering various aspects of AWS ecosystem like architecture, security, service economics authored by AWS team
Option C is CORRECT. Refer to the above discussion on AWS Professional Services
Option D is incorrect. AWS managed services provides abstractions to the AWS infrastructure services layer & ongoing management of AWS infrastructure that helps reduce operational overhead and risk.
Reference:
https://aws.amazon.com/professional-services/