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PROFESSIONAL-CLOUD-ARCHITECT · Question #240

Your company has an enterprise application running on Compute Engine that requires high availability and high performance. The application has been deployed on two instances in two zones in the same r

The correct answer is C. 1. Attach a regional SSD persistent disk to the first instance.. https://cloud.google.com/compute/docs/disks/repd-failover

Submitted by jakub_pl· Mar 30, 2026Designing and planning a cloud solution architecture

Question

Your company has an enterprise application running on Compute Engine that requires high availability and high performance. The application has been deployed on two instances in two zones in the same region in active-passive mode. The application writes data to a persistent disk. In the case of a single zone outage, that data should be immediately made available to the other instance in the other zone. You want to maximize performance while minimizing downtime and data loss. What should you do?

Options

  • A
    1. Attach a persistent SSD disk to the first instance.
  • B
    1. Create a Cloud Storage bucket.
  • C
    1. Attach a regional SSD persistent disk to the first instance.
  • D
    1. Attach a local SSD to the first instance disk.

How the community answered

(42 responses)
  • A
    5% (2)
  • B
    7% (3)
  • C
    74% (31)
  • D
    14% (6)

Explanation

https://cloud.google.com/compute/docs/disks/repd-failover

Topics

#regional persistent disk#high availability#zonal failover#Compute Engine storage

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