Domain 1: Designing and Planning a Cloud Solution Architecture — GCP PCA Practice Question 31

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Identify the scenario: migrating a monolith to microservices gradually. The Strangler Fig pattern is the industry standard term for this.

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B.Strangler Fig Pattern.✓ Correct

The Strangler Fig pattern is a popular modernization strategy. You put an API Gateway or Load Balancer in front of the legacy app. You build a new microservice (e.g., 'User Profile'). You update the router to send `/profile` traffic to the new microservice, while all other traffic goes to the monolith. You repeat this until the monolith is gone. This minimizes risk compared to a 'big bang' rewrite.

Common mistakes

Confusing deployment strategies (Blue/Green) with architectural migration patterns.

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Common mistakes

Practice the full GCP Professional Cloud Architect Practice Exam 3

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