What should the solutions architect use to meet these requirements?

Explanations:

Amazon CloudFront is a content delivery network (CDN) service that caches content at edge locations for faster access but does not provide accelerated TCP connections for live streaming protocols like RTMP. It is primarily used for delivering static and dynamic content but is not optimal for real-time live video streams.

AWS Global Accelerator provides a set of static IP addresses that act as a fixed entry point to your applications hosted in AWS. It optimizes the path to the application, improves availability, and reduces latency by routing traffic through the AWS global network, which is beneficial for live streaming and offers accelerated TCP connections.

AWS Client VPN is a managed client-based VPN service that enables users to securely access AWS resources and on-premises networks. While it secures connections, it does not provide the necessary acceleration for live streaming of high-quality video feeds and is not designed for performance optimization of RTMP streams.

Amazon EC2 instances and AWS Elastic IP addresses can facilitate the hosting of applications and allow static IP addresses but do not inherently provide accelerated TCP connections. This option lacks the optimization and global reach necessary for delivering high-quality live streams efficiently.