The(66)is a channel's capacity which directly reflects the data transfer rate of the channel.(67)functions in a NetWare network which is used to define addressing schemes. The(68)is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.(69)is the popular LAN developed under the direction of the IEEE802.3. The(70 is a device which enables digital microcomputers to communicate across analog telephone lines.