(66)is a channel’ s capacity which directly reflects the data transfer rate of the channel.(67)functions in a NetWare network wh

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问题 (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.(68)is a network layer device that suports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.(69).is the popular LAN develped under the direction of the IEEE 802.3.(70)is a device which enables digital microcomputers to communicate across analog telephone lines.

选项 A、The repeater
B、The modem
C、The hub
D、The printer

答案B

解析 噪音是直接反映信道数据传输速率的信道容量。在Net- ware网络中IPX的功能是定义地址配置。路由器是支持多个局域网接口和把局域网划分为更小的冲突和广播域的网络层设备。以太网是在 IEEE 802.3指导下逐渐流行起来的局域网。调制解调器是使数字微型机能够通过模拟电话线通信的设备。
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