You are creating a design that will connect your single on-premises data center to a VPC in Google Cloud by using an IPsec VPN connection. The connection must have a minimum SLA of 99.99%. There is…

Question

Options

• A
  1. Create two HA VPN gateways.
• B
  1. Create one Classic VPN gateway and one HA VPN gateway.
• C
  1. Replace the existing on-premises VPN termination device with a new device that is configured
• D
  1. Create one HA VPN gateway.

• A
  2% (1)
• B
  10% (4)
• C
  17% (7)
• D
  71% (30)

Explanation

To achieve a minimum SLA of 99.99% for a VPN connection with a single on-premises VPN device and a single public IP address, the most appropriate solution is to use Google Cloud's HA VPN. HA VPN provides high availability and redundancy even when using a single public IP address on the on-premises VPN termination device. - An HA VPN gateway in Google Cloud has two interfaces (interface 0 and interface 1), each capable of creating a tunnel. - You can create two tunnels-one on each interface of the HA VPN gateway. Single public IP on the on-premises device: - Even with a single public IP address on the on-premises VPN device, you can terminate both tunnels on the same IP. HA VPN supports this configuration, and it ensures redundancy by leveraging two tunnels for failover. - HA VPN achieves 99.99% availability by using two independent tunnels for redundancy. If one tunnel fails, traffic seamlessly fails over to the other tunnel, maintaining availability. Least setup effort: - This approach does not require replacing the existing on-premises VPN device or configuring additional public IP addresses. It leverages the existing infrastructure with minimal configuration

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