Question 20
Domain 2: Design Resilient ArchitecturesSebuah perusahaan media menyajikan **video dan gambar statis** ke user di seluruh dunia. User di Asia dan Eropa mengeluhkan loading yang lambat karena konten di-serve dari single S3 bucket di `us-east-1`.
Correct answer: C
Explanation
Amazon CloudFront is an “edge networking service” used for global delivery, so placing it in front of S3 reduces latency for users in Asia and Europe. It caches “video and images” at edge locations and serves them from the nearest edge instead of a single bucket in us-east-1.
Why each option is right or wrong
A. Buat S3 bucket di setiap region dan sync manual
B. Gunakan S3 Transfer Acceleration untuk upload/download lebih cepat
C. **Deploy Amazon CloudFront** di depan S3 — konten di-cache di edge locations di seluruh dunia, user dilayani dari edge terdekat
AWS CloudFront is the managed CDN service for edge caching under the AWS edge network model, and it is specifically used to deliver static and media content from edge locations close to end users. In this scenario, placing CloudFront in front of the S3 bucket removes the need for users in Asia and Europe to fetch every object from a single origin in us-east-1, so latency drops because repeated requests are served from the nearest edge cache rather than the origin.
D. Pindahkan S3 bucket ke region yang lebih sentral (misalnya eu-west-1)