What does the PE router convert the IPv4 prefix to within an MPLS VPN?

What does the PE router convert the IPv4 prefix to within an MPLS VPN?
A . 48-bit route combining the IP and PE router-id
B . VPN IPv4 prefix combined with the 64-bit route distinguisher
C . prefix that combines the ASN, PE router-id and IP prefix
D . eBGP path association between the PE and CE sessions

View Answer

Answer: B