【名词&注释】
铝合金(aluminum alloy)、基本信息(basic information)、公共建筑(public building)、工作经验(work experience)、应聘者(job applicant)、申请表(application form)、运输装置(transporter)、防滑装置、铁丝网(wire fence)
[单选题]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 a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3). A transmission from any station 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 the bus.
A. B
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