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Practice AWS Solutions Architect Professional (SAP-C02)AWS Solutions Architect Professional SAP-C02 Practice Exam 3Question 17

Hard1 markMultiple Choice

Domain 4.2: New Architecture DesignModernizationArchitecture PatternsMicroservices

AWS SAP-C02 · Question 17 · Domain 4.2: New Architecture Design

An architect is redesigning a monolithic on-premises application into microservices on AWS. The application currently uses a single relational database. The new architecture will use purpose-built databases. Which pattern allows the gradual migration of features without downtime?

Answer options:

A.

Strangler Fig pattern

B.

Saga pattern

C.

Circuit Breaker pattern

D.

Event Sourcing pattern

How to approach this question

Identify the architectural pattern for incremental modernization.

Full Answer

A.Strangler Fig pattern✓ Correct

The Strangler Fig pattern incrementally migrates a legacy system by gradually replacing specific pieces of functionality.

Common mistakes

Confusing microservice transaction patterns (Saga) with migration patterns.

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