76． (1) is a channel’s capacity which dire

问题单项选择题

76． (1) is a channel’s capacity which directly reflects the data transfer rate of the channe1.
(2) functions in a NetWare network which is used to define addressing schemes.
(3) is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.
(4) is the popular LAN developed under the direction of the IEEE802.3.
(5) is a device which enables digital microcomputers to communicate across analog telephone lines.

(4)

A．Token Ring

B．Token Bus

C．Ethernet

D．FDDI

答案

参考答案：C