You are designing a new network infrastructure for your customer in Google Cloud. Your customer requires a connection between two Google Cloud VPCs that must include a VPN tunnel. You want to follow Google-recommended practices while ensuring maximum availability of the connection. Which VPN configuration should you choose?

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D. Border Gateway Protocol (BGP)-based VPN using HA VPN between the two Google Cloud VPCs HA VPN is Google Cloud's highly available VPN solution, offering 99.99% uptime with dual tunnels and interfaces, and it inherently uses BGP (Border Gateway Protocol) for dynamic routing to ensure automatic failover and maximum availability between the two Google Cloud VPCs.

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A. Policy-based VPN using Classic VPN between the two Google Cloud VPCs Policy-based VPN using Classic VPN is a single-tunnel, non-HA solution that lacks automatic failover and does not meet the "maximum availability" requirement.

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B. Border Gateway Protocol (BGP)-based VPN using Classic VPN between the two Google Cloud BGP-based VPN using Classic VPN is not a native Google Cloud offering; Classic VPN primarily supports static (route-based or policy-based) routing, and by itself, a Classic VPN tunnel is not highly available.

Answer

C. Route-based VPN using Classic VPN between the two Google Cloud VPCs Route-based VPN using Classic VPN is a single-tunnel, non-HA solution that relies on static routes and does not provide automatic failover, thus failing to meet the "maximum availability" requirement.

You are designing a new network infrastructure for your customer in Google Cloud. Your customer requires a connection between two Google Cloud VPCs that must include a VPN tunnel. You want to follow…

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