One benefit of MPLS Layer 3 VPN is that migration for the end customer is simplified.
Which statement is true?

A.
There is no requirement to support MPLS on the PE router and modifications are required for a
customer intranet.

B.
There is no requirement to support MPLS on the PE router and no modifications are required
for a customer intranet.

C.
There is no requirement to support MPLS on the CE router and no modifications are required
for a customer intranet.

D.
There is requirement to support MPLS on the CE router and no modifications are required for a
customer intranet.