You work as a network engineer at domain .com. Study the topology exhibit carefully. Customers green and blue must communicate with each other. Which condition is required?
Exhibit:

A.
Customer Blue and Customer Green must use BGP for routing to the Internet.

B.
Customer Blue and Customer Green must use unique addresses in their corporate networks.

C.
All Service Provider routers must use BGP.

D.
The Service Provider must provide BGP Peering to another Service Provider.