A media company is designing a video streaming platform. The architecture uses Amazon S3 for storage, Amazon CloudFront for delivery, and AWS Lambda for video processing. During peak events, the Lambda functions experience throttling, and users report high latency. Which combination of architectural changes will improve reliability and performance? (Select THREE)

Answer options:

A.

Implement Amazon SQS as a buffer between S3 uploads and Lambda processing.

B.

Configure Lambda Provisioned Concurrency for the processing functions.

C.

Use CloudFront Origin Shield to reduce the load on the S3 origin.

D.

Increase the memory allocation for the Lambda functions to 10 GB.

E.

Replace Amazon S3 with Amazon EFS for faster video storage.

F.

Configure CloudFront to bypass the cache for all video segments.

How to approach this question

Look for decoupling, compute optimization, and caching improvements.

Full Answer

Implement Amazon SQS as a buffer between S3 uploads and Lambda processing., Configure Lambda Provisioned Concurrency for the processing functions., Use CloudFront Origin Shield to reduce the load on the S3 origin.

SQS provides a buffer to prevent throttling. Provisioned Concurrency eliminates cold starts. Origin Shield optimizes CloudFront caching.

Common mistakes

Thinking increasing Lambda memory solves concurrency limits.

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