Google Cloud Professional Cloud Architect — Question 87

Your company has decided to build a backup replica of their on-premises user authentication PostgreSQL database on Google Cloud Platform. The database is 4
TB, and large updates are frequent. Replication requires private address space communication.
Which networking approach should you use?

Answer options

• A. Google Cloud Dedicated Interconnect
• B. Google Cloud VPN connected to the data center network
• C. A NAT and TLS translation gateway installed on-premises
• D. A Google Compute Engine instance with a VPN server installed connected to the data center network

Correct answer: A

Explanation

The correct answer is A, Google Cloud Dedicated Interconnect, as it provides a direct and private connection between the on-premises data center and Google Cloud, which is essential for large data transfers and frequent updates. Options B and D involve VPN solutions, which may introduce latency and bandwidth limitations unsuitable for large-scale replication. Option C does not provide a direct connection and is not designed for this use case.