An application running by a SysOps Administrator is under repeated, large-scale distributed denial of service (DDoS) attacks. Each time an attack occurs, multiple customers reach out to the Support team to report outages. The Administrator wants to minimize potential downtime from the DDoS attacks. The company requires 24/7 support.
Which AWS service should be set up to protect the application?

A. AWS Trusted Advisor
B. AWS Shield Advanced
C. Amazon Cognito
D. Amazon Inspector