SAA-C03 Q367 · Networking

Question

A company has developed an API by using an Amazon API Gateway REST API and AWS Lambda functions. The API serves static content and dynamic content to users worldwide. The company wants to decrease the latency of transferring the content for API requests. Which solution will meet these requirements?

Accepted Answer

Answer A satisfies every requirement:

**1. Global users → Edge-optimized API endpoint**
- Edge-optimized endpoints route API requests through **Amazon CloudFront edge locations** closest to users worldwide.
- This reduces network latency by minimizing the distance between the client and the nearest AWS edge location. The optimized AWS backbone network then carries the request to the API Gateway region.

**2. Static content → Enable caching**
- API Gateway stage-level caching stores responses from the backend (Lambda). Subsequent identical requests are served directly from the cache.
- This is ideal for **static content** — it eliminates redundant Lambda invocations and dramatically reduces response time.

**3. Decrease latency of transferring content → Content encoding (compression)**
- C

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