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    PracticeGCP Professional Cloud ArchitectGCP Professional Cloud Architect Practice Exam 4Question 14
    Hard1 markMultiple Choice
    Domain 4: Analyzing and Optimizing Technical and Business ProcessesDisaster RecoveryCloud SQLRPO/RTO
    This question is part of a case study — click to read the full scenario(Case 11)

    CASE STUDY: HealthData Corp

    Overview: Healthcare SaaS managing 10PB of sensitive patient records and imaging.
    Business: Strict HIPAA/SOC 2 compliance, ransomware protection, secure sharing of anonymized data with researchers, robust DR.
    Executives:

    • CEO: "Trust is our product. Zero tolerance for breaches."
    • CFO: "Storage costs growing exponentially. Need lifecycle management."
    • CISO: "Zero-trust architecture, end-to-end encryption."
      Tech: RPO 15m, RTO 2h for core DB. All data CMEK encrypted. Strict access controls, audit logging. Prevent data exfiltration.
      Constraints: Images retained 7 years but rarely accessed after 90 days. Researchers use external identities. No public IPs on compute.

    How should you design the network security architecture to prevent data exfiltration, even if an employee's credentials are compromised?

    View full case study page →

    GCP PCA · Question 14 · Domain 4: Analyzing and Optimizing Technical and Business Processes

    CASE STUDY: HealthData Corp

    Overview: Healthcare SaaS managing 10PB of sensitive patient records and imaging.
    Business: Strict HIPAA/SOC 2 compliance, ransomware protection, secure sharing of anonymized data with researchers, robust DR.
    Executives:

    • CEO: "Trust is our product. Zero tolerance for breaches."
    • CFO: "Storage costs growing exponentially. Need lifecycle management."
    • CISO: "Zero-trust architecture, end-to-end encryption."
      Tech: RPO 15m, RTO 2h for core DB. All data CMEK encrypted. Strict access controls, audit logging. Prevent data exfiltration.
      Constraints: Images retained 7 years but rarely accessed after 90 days. Researchers use external identities. No public IPs on compute.

    Which disaster recovery architecture should you design for the core database to meet the RPO of 15 minutes and RTO of 2 hours?

    Answer options:

    A.

    Take daily automated backups of the database and store them in a multi-region Cloud Storage bucket.

    B.

    Deploy Cloud SQL for PostgreSQL with Cross-Region Read Replicas. In a disaster, promote the replica to primary.

    C.

    Use Cloud Spanner in a single-region configuration.

    D.

    Export the database to BigQuery every 15 minutes.

    How to approach this question

    Evaluate the RPO (data loss limit). 15 minutes requires continuous or near-continuous replication, not daily backups.

    Full Answer

    B.Deploy Cloud SQL for PostgreSQL with Cross-Region Read Replicas. In a disaster, promote the replica to primary.✓ Correct
    Deploy Cloud SQL for PostgreSQL with Cross-Region Read Replicas. In a disaster, promote the replica to primary.
    Recovery Point Objective (RPO) of 15 minutes requires near real-time replication. Cloud SQL Cross-Region Read Replicas continuously replicate data to a secondary region. If the primary region fails, you can promote the read replica to a standalone primary instance within minutes, satisfying both the 15-minute RPO and 2-hour RTO.

    Common mistakes

    Choosing daily backups (A). Backups are for long-term retention, not aggressive RPO/RTO targets.
    Question 13All questionsQuestion 15

    Practice the full GCP Professional Cloud Architect Practice Exam 4

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