Which option is a benefit in choosing a MPLS Layer 3 VPN versus any other Layer 2 VPN design?

A network engineer working for a very large financial institution must migrate the legacy Frame
Relay and ATM virtual circuits over a MPLS VPN solution. Which option is a benefit in choosing a
MPLS Layer 3 VPN versus any other Layer 2 VPN design?

A.
An MPLS Layer 3 VPN design offers better scalability for large organizations.

B.
An MPLS Layer 3 VPN design requires less customer edge router configuration than any other
Layer 2 VPN implementation.

C.
An MPLS Layer 3 VPN solution provides the possibility to implement overlapping IP
addressing.

D.
An MPLS Layer 3 VPN design requires less provider edge router configuration than any other
Layer 2 VPN implementation.