2012年软件水平考试网络管理员英语试题及答案(3)
(1) is a channel’s capacity which directly reflects the data transfer rate of the channel．(2)functions in a NetWare network which is used to define addressing schemes．
(3)is a network layer device that supports multiple LAN interfacesand 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.
(1)A．The volume
B．The bandwidth
C．The noise
D．The delay
(2)A．NetBEUI
B．IP
C．IPX
D.NCP
(3)A．The repeater
B．The hub
C．The bridge
D．The muter
(4)A．Token Ring
B．Token Bus
C．Ethernet
D．FDDI
(5)A．The repeater
B．The modem
C．The hub
D.The printer
答案：(1)B (2)C (3)D (4)C (5)B
解析：带宽是指信道的容量，它能够直接反映出信道数据传输速率。
IPX作用在Netware网络中。目的是定义寻址方法。
路由器是网络层设备。支持多局域网接口，并把局域网分为更小冲突域和广播域。
以太网是在IEEE802．3标准的基础上发展起来的流行网络。
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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