Which service will improve the performance of both the real-time and on-demand streaming?

A solutions architect is optimizing a website for an upcoming musical event Videos of the performances will be streamed in real time and then will be available on demand. The event expected to attract a global online audience.

Which service will improve the performance of both the real-time and on-demand streaming?
A . Amazon CloudFront
B . AWS Global Accelerator
C . Amazon Route 53
D . Amazon S3 Transfer Acceleration

Answer: A