AWS Certified Alexa Skill Builder – Specialty – Question28

An Alexa Skill Builder is using Amazon S3 to stream large quantities of static audio and video content throughout the world with an Amazon Alexa skill.
Which additional AWS service will help the Builder decrease latency and improve the reliability of the streaming media content for the global audience?

AWS Cloud9
B. Amazon Kinesis
C. Amazon Route 53
D. Amazon CloudFront