Medium1 markMultiple Choice

AWS SAP-C02 · Question 59 · Domain 3.4: Reliability Improvement

An enterprise database runs on a single large EC2 instance. The business requires improving reliability to ensure high availability across Availability Zones and automated failover, while minimizing administrative overhead. Which THREE steps should the architect take? (Select THREE)

Answer options:

A.

Create a secondary EC2 instance and configure synchronous replication manually.

B.

Migrate the database to Amazon RDS.

C.

Use Route 53 to route traffic between two EC2 instances.

D.

Enable Multi-AZ deployment on the database.

E.

Configure an Auto Scaling group for the database instance.

F.

Use AWS Database Migration Service (DMS) for the initial data transfer.

G.

Deploy AWS Storage Gateway.

How to approach this question

Identify the managed database service, the HA feature, and the migration tool.

Full Answer

Migrating to Amazon RDS minimizes administrative overhead. Enabling Multi-AZ provides the required high availability and automated failover. AWS DMS is used to perform the actual migration from the EC2 database to RDS.

Common mistakes

Trying to build HA manually on EC2, violating the 'minimize overhead' requirement.

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