A User Has an AWS Account with a Business-Level AWS

Multiple Choice

A user has an AWS account with a Business-level AWS Support plan and needs assistance with handling a production service disruption. Which action should the user take?

A) Contact the dedicated AWS technical account manager (TAM) .
B) Contact the dedicated AWS Concierge Support team.
C) Open a business-critical system down support case.
D) Open a production system down support case.