What is one difference between H-VPLS and VPLS ?
A. VPLS connect usingg Ethernet encapsulation only an d H-VPLS using also other LAYER-2encapsulation such as PPP
B. H-VPLS reduces signaling overhead and packet replication requirements for the provider edge
C. VPLS improve scalability concern identify on H-VPLS implementation
D. VPLS is a point-to-point Layer-2 service and H-VPLS is a multipoint Layer-2 services