【单选题】What is the advantage of using a multipoint intece instead of point-to-point subinteces when configuring a Frame Relay hub in a hub-and-spoke topology?()
A.
it avoids split-horizon issues with distance vector routing protocols.
B.
IP addresses can be conserved if VLSM is not being used for subnetting.
C.
A multipoint intece offers greater security compared to point-to-point subintece configurations.
D.
The multiple IP network addresses required for a multipoint intece provide greater addressing flexibility over point-to-point configurations.