You are deploying an application to Google Cloud. The application is part of a system. The application in Google Cloud must communicate over a private network with applications in a non-Google Cloud environment. The expected average throughput is 200 kbps. The business requires:
• 99.99% system availability
• cost optimization
You need to design the connectivity between the locations to meet the business requirements. What should you provision?
A. An HA Cloud VPN gateway connected with two tunnels to an on-premises VPN gateway.
B. A Classic Cloud VPN gateway connected with two tunnels to an on-premises VPN gateway.
C. Two HA Cloud VPN gateways connected to two on-premises VPN gateways. Configure each HA Cloud VPN gateway to have two tunnels, each connected to different on-premises VPN gateways.
D. A Classic Cloud VPN gateway connected with one tunnel to an on-premises VPN gateway.
Disclaimer
This is a practice question. There is no guarantee of coming this question in the certification exam.
Answer
A
Explanation
A. An HA Cloud VPN gateway connected with two tunnels to an on-premises VPN gateway.
(HA VPN supports two tunnels to achieve 99.99%.)
B. A Classic Cloud VPN gateway connected with two tunnels to an on-premises VPN gateway.
(It does not support 99.99% availability.)
C. Two HA Cloud VPN gateways connected to two on-premises VPN gateways. Configure each HA Cloud VPN gateway to have two tunnels, each connected to different on-premises VPN gateways.
(Excessive cost, and unusual. Not recommended.)
D. A Classic Cloud VPN gateway connected with one tunnel to an on-premises VPN gateway.
(It does not support 99.99% availability.)