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    PracticeGCP Professional Cloud ArchitectGCP Professional Cloud Architect Practice Exam 4Question 37
    Medium1 markMultiple Choice
    Domain 1: Designing and Planning a Cloud Solution ArchitectureCloud RunCloud SpannerArchitecture Design

    GCP PCA · Question 37 · Domain 1: Designing and Planning a Cloud Solution Architecture

    A retail company is migrating its e-commerce platform to GCP. They want to use a microservices architecture. The frontend will be hosted on Cloud Run. The backend inventory service requires a database that supports ACID transactions, relational schemas, and can scale horizontally to handle unpredictable viral sales events. Which TWO services should you include in the architecture? (Select TWO)

    Answer options:

    A.

    Cloud Run

    B.

    Cloud SQL

    C.

    Cloud Spanner

    D.

    Firestore

    E.

    App Engine Standard

    How to approach this question

    Select the compute service mentioned in the prompt, and the only GCP database that is both relational and horizontally scalable.

    Full Answer

    The architecture requires Cloud Run for the frontend microservices. For the backend, the requirement for ACID transactions, relational schemas, and horizontal scalability points exclusively to Cloud Spanner. Cloud SQL cannot scale horizontally for writes, and Firestore/Bigtable are NoSQL.

    Common mistakes

    Selecting Cloud SQL (B) - it fails the horizontal scalability requirement.
    Question 36All questionsQuestion 38

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