In the diagram, the Internet is accessed through a dedicated Internet VPN. With which router or
routers must PE-2 establish an address-family IPv4 BGP neighbor relationship?
A.
CE-2
B.
PE-1
C.
PE-IG
D.
PE-1 and PE-IG
E.
CE-1, PE-1 and PE-IG
F.
CE-1, CE-2, PE-1 and PE-IG