单选题What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?（）Ait avoids split-horizon issues with distance vector routing protocols.BIP addresses can be conserved if VLSM is not being used for subnetting.CA multipoint interface offers greater security compared to point-to-point subinterface configurations.DThe multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.
单选题
What is the advantage of using a multipoint interface instead of point-to-point subinterfaces 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 interface offers greater security compared to point-to-point subinterface configurations.
D
The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.
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