Domain 1.3: Reliability and Resilience — AWS SAP-C02 Practice Question 73

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Understand Aurora's storage and HA architecture.

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B.Aurora automatically replicates data across 3 Availability Zones. If the primary instance fails, Aurora automatically promotes a Read Replica to primary.✓ Correct

Amazon Aurora's storage volume automatically replicates 6 copies of your data across 3 Availability Zones. If the primary instance fails, Aurora automatically fails over to a Read Replica (if one exists) or creates a new primary instance.

Common mistakes

Confusing Aurora's storage layer with standard RDS Multi-AZ (which uses synchronous block-level replication to a single standby).

A company is migrating a large MySQL database to Amazon Aurora MySQL. The application requires high availability and must be able to survive the failure of an entire Availability Zone without manual intervention. How does Aurora meet this requirement?

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Full Answer

Common mistakes

Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 7

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