You are tasked with the IP address assignment of the frame relay network. With regards to network layer address assignment, which of the following are true regarding the effects of using frame relay sub interfaces on a physical interface? A. The network layer address of each sub interface must be in the same subnet as the physical interface address. B. The network layer address of each sub interface must be approved by IANA C. The network layer address must be removed from the physical interface. D. The network layer address of each sub interface must be the same as the physical interface address. E. The sub interfaces should be assigned the network broadcast address of the physical interface. F. None of the above.
Why not B? Abt C: Do we really have to do this?