在无列检作业的中间站,负责将列尾装置与列车尾部软管连结的人员是()。
A. 车辆乘务员
B. 运转车长
C. 机车乘务员
D. 助理值班员
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You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?()
A. full mesh
B. peer-to-peer
C. partial mesh
D. hub and spoke