AWS Certified Developer - Associate Practice Mode

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose A1

  API Gateway caching stores responses at the gateway level. Since data is updated daily and access is unauthenticated read-only, caching is perfect — identical requests return cached responses instantly without invoking Lambda every time. Dramatically improves responsiveness.

• Chose A1

  Enhance the responsiveness of the APIs so choice option A.

• Chose A1

  A) Cached data reduces calls to the backend (in this case, Lambda) and serves responses directly from the cache. Since the data updates only once per day, caching is highly effective B) Eliminated - This is useful for securing private APIs inside a VPC, but the scenario involves public, unauthenticated APIs over the internet C) Eliminated - CORS is related to resolving client-side browser compatibility issues D) Eliminated - Usage plans and API keys manage access control and rate limiting, which are useful for monetization