SAA-C03 Q394 · DR

Question

A company is using Amazon DocumentDB global clusters to support an ecommerce application. The application serves customers across multiple AWS Regions. To ensure business continuity, the company needs a solution to minimize downtime during maintenance windows or other disruptions. Which solution will meet these requirements?

Accepted Answer

**Option B: Perform a managed failover to a secondary Region when needed.**

Let's break down the requirements:

1. **Amazon DocumentDB global clusters** — The company already has a global cluster deployed across multiple Regions.
2. **Serves customers across multiple AWS Regions** — The architecture is inherently multi-Region.
3. **Minimize downtime during maintenance windows or disruptions** — The company needs business continuity.

How managed failover satisfies these:

- **DocumentDB global clusters** support **managed planned failover** (also called switchover), which promotes a secondary Region's cluster to become the new primary. This is a coordinated process that ensures data consistency.
- During maintenance windows or anticipated disruptions in the primary Region, a managed failo

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