Which connectivity model should you use?

You want to use Cloud Interconnect to connect your on-premises network to a GCP VPC. You cannot meet Google at one of its point-of-presence (POP) locations, and your on-premises router cannot run a Border Gateway Protocol (BGP) configuration.

Which connectivity model should you use?
A . Direct Peering
B. Dedicated Interconnect
C. Partner Interconnect with a layer 2 partner
D. Partner Interconnect with a layer 3 partner

Answer: D

Explanation:

https://cloud.google.com/network-connectivity/docs/interconnect/concepts/partner-overview

For Layer 3 connections, your service provider establishes a BGP session between your Cloud Routers and their edge routers for each VLAN attachment. You don’t need to configure BGP on your on-premises router. Google and your service provider automatically set the correct configurations.

https://cloud.google.com/network-connectivity/docs/interconnect/concepts/partner-overview#connectivity-type