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    PracticeGCP Professional Cloud ArchitectGCP Professional Cloud Architect Practice Exam 6Question 06
    Hard1 markMultiple Choice
    Subtask 1.3: Network/Storage/ComputeNetworkingHybrid CloudDedicated InterconnectCase Study

    GCP PCA · Question 06 · Network/Storage/Compute

    CASE STUDY: RetailMart

    Overview:
    Industry: Retail/E-commerce
    Size: 2000 employees, $500M revenue

    Environment:

    • Monolithic Java app on VMware
    • Oracle RAC DB
    • F5 Load Balancers
    • 10 Gbps Direct Connect to AWS

    Requirements:

    • CapEx to OpEx
    • Handle 10x Black Friday traffic
    • Personalized recommendations
    • Modernize without impacting sales

    Exec Statements:

    • CEO: Omnichannel experience.
    • CFO: Predictable costs, no hardware refresh.
    • CTO: Break monolith, but Oracle DB stays on-prem for 2 years.

    Tech Reqs:

    • Zero downtime deployments
    • PCI-DSS compliance
    • Image processing pipeline
    • Async order processing

    Constraints:

    • Hybrid architecture required
    • Team knows Spring Boot, zero Kubernetes exp
    • 6-month timeline

    QUESTION: The CTO requires the Oracle database to remain on-premises while the application moves to GCP. Which hybrid connectivity solution should you implement to ensure high throughput and low latency?

    Answer options:

    A.

    Configure a high-availability Cloud VPN over the public internet.

    B.

    Provision a Dedicated Interconnect between the on-premises data center and GCP.

    C.

    Use the existing AWS Direct Connect and route traffic through AWS to GCP using a VPN.

    D.

    Implement Partner Interconnect through a supported service provider.

    How to approach this question

    Evaluate connectivity options based on the need for high throughput and low latency for database traffic.

    Full Answer

    B.Provision a Dedicated Interconnect between the on-premises data center and GCP.✓ Correct
    Provision a Dedicated Interconnect between the on-premises data center and GCP.
    When splitting an application (in GCP) from its database (on-premises), latency is the biggest risk. Dedicated Interconnect provides a direct physical link (10 Gbps or 100 Gbps) to Google's network, ensuring the lowest possible latency and highest throughput.

    Common mistakes

    Choosing Cloud VPN (A) because it's faster to set up, ignoring the performance requirements of a chatty Oracle database connection.
    Question 05All questionsQuestion 07

    Practice the full GCP Professional Cloud Architect Practice Exam 6

    50 questions · hints · full answers · grading

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