[单选题]C.DDI的英文全称是(50)。A.copper distributed data interfaceB.COM distributed datainteractionC.CORBA distributed data interfaceD.Copper distributed data interaction
[单选题]CDDI的英文全称是 (31) 。(31) A.copper distributed data interfaceB.COM distributed datainteractionC.CORBA distributed data interfaceD.Copper distributed data interaction
[单选题]F.DDI网属于( )。A.共享介质B.交换式局域网C.广域网D.虚电路网络
[单选题]F.DDI采用 ______ 结构。A.单环B.双环C.三环D.四环
[单选题]F.DDI采用______结构。A.单环B.双环C.三环D.四环
[单选题]FDDI传输速率是()。A .10MbpsB .100MbpsC .1000MbpsD .1Gbps
[单选题]F.DDI的协议在( )A.数据链路层B.物理层C.所有各层D.物理层和数据链路层