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●For each blank, choose the best answer from the four choices and write down on the answer

时间:2021-05-05 06:41:12 解答: 67 次

●For each blank, choose the best answer from the four choices and write down on the answer sheet.

(71) is a channel's capacity which directly reflects the data transfer rate of the channel.

(72) functions in a NetWare network which is used to define addressing schemes.

(73) is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.

(74) is the popular LAN developed under the direction of the IEEE802.3.

(75) is a device which enables digital microcomputers to communicate across analog telephone lines.

(71) A.The volume

B.The bandwidth

C.The noise

D.The delay

(72) A.NetBEUI

B.IP

C.IPX

D.NCP

(73) A.The repeater

B.The hub

C.The bridge

D.The router

(74) A.Token Ring

B.Token Bus

C.Ethernet

D.FDDI

(75) A.The repeater

B.The modem

C.The hub

D.The printer

正确答案:

B,C,D,C,B【解析】带宽是指信道的容量,能够直接反映出信道数据传输速率。作用在Netware网络中,用以定义寻址方法。路由器是网络层设备,它支持多局域网接口并能够把局域网分为更小冲突域和广播域。以太网是流行的网络,它是在IEEE802.3标准的基础上发展起来的。调制解调器是一种能使得数字信号通过模拟线路进行通信的设备。

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