题目:
Both bus and tree topologies are characterized by the use of multipoint (1). For the bus, all stations attach, through appropriate hardware (2)known as a tap, directly to alinear transmission medium, or bus. Full-duplex operation between the station and the tap allowsdata to be transmitted onto the bus and received from the (3). A transmission from anystation propagates the length of the medium in both directions and can be received by all other(4). At each end of the bus is a (5), which absorbs any signal, removing it from thebus.
(2)是()
A.processing
B.switching
C.routing
D.interfacing
答案:
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参考答案:中度湿润