Easy1 markMultiple Choice
Domain 3.3: Database PerformancePerformanceAuroraRead ReplicasGlobal

AWS SAA-C03 · Question 29 · Domain 3.3: Database Performance

A global application uses an Amazon Aurora database. Users in Europe are experiencing high latency when reading data because the primary database is located in the us-east-1 Region. The application is read-heavy. <br/><br/>How can a solutions architect improve read performance for European users?

Answer options:

A.

Enable Amazon ElastiCache in the us-east-1 Region.

B.

Create an Aurora cross-region read replica in the eu-central-1 Region.

C.

Migrate the database to Amazon DynamoDB Global Tables.

D.

Use Amazon CloudFront to cache the database queries.

How to approach this question

Identify the feature that allows relational databases to scale reads geographically.

Full Answer

B.Create an Aurora cross-region read replica in the eu-central-1 Region.✓ Correct
Create an Aurora cross-region read replica in the eu-central-1 Region.
Amazon Aurora supports cross-region read replicas. This allows you to place read-only copies of your database in different AWS Regions, bringing the data closer to your users and reducing read latency.

Common mistakes

Suggesting CloudFront for database queries.

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