Google Professional Cloud Architect
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Ultimate access to all questions.
You are responsible for deploying a new application to Google Cloud as part of a larger system that includes components running outside of Google Cloud. The application must communicate securely over a private network with applications located in an on-premises datacenter. The expected average network throughput for this communication is 200 kbps. The business has two primary requirements: ensuring 99.99% system availability and optimizing costs. Given these requirements, what connectivity solution should you provision?
Explanation:
The correct answer is A. The HA (High Availability) Cloud VPN gateway provides a robust solution with two tunnels to ensure high availability and meet the 99.99% system availability requirement. Classic Cloud VPN does not offer the same level of redundancy and reliability, thereby making options B and D inadequate for this scenario. Option C, which recommends using two HA Cloud VPN gateways, adds unnecessary complexity and cost. Therefore, the most cost-effective and suitable solution is option A, which uses a single HA Cloud VPN gateway with two tunnels to an on-premises VPN gateway.