SAP-C02 Design for New Solutions Practice Question
A company is designing a new web application that will be accessed by users worldwide. The application should have low latency and high availability. The application uses a stateless web tier and a relational database. Which architecture minimizes latency for global users?
⚠ Common exam trap
Many exam-takers assume CloudFront alone can solve global latency for dynamic applications, overlooking that the database tier remains a single point of latency unless a global database solution like Aurora Global Database is used.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Deploy the application in multiple regions with Route 53 latency-based routing, and use Amazon Aurora Global Database for the database tier.
Deploying in multiple regions with Route 53 latency-based routing directs users to the region with the lowest network latency, minimizing response times. Amazon Aurora Global Database provides a fully managed cross-region replication solution with typical latency of under one second, ensuring the relational database tier is available close to each application deployment for low-latency reads and fast failover.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Deploy the application in multiple regions with Route 53 latency-based routing, and use Amazon Aurora Global Database for the database tier.
Why this is correct
Aurora Global Database allows reads from local regions, reducing latency for read-heavy workloads.
- ✗
Deploy the application in a single region and use Route 53 geolocation routing.
Why it's wrong here
Geolocation still routes to a single region; latency is not minimized globally.
- ✗
Deploy the application in multiple regions, use CloudFront to cache static content, and route dynamic requests to the nearest region via Route 53 latency-based routing.
Why it's wrong here
This is partially correct but doesn't address the database latency.
- ✗
Deploy the application in a single region and use Amazon CloudFront to cache content globally.
Why it's wrong here
Dynamic content still needs to travel to the origin region, increasing latency.
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