Coaxial Cable：____________

Among the following transmission media, the lowest bit error rate is Coaxial cable.

Which physical connection is the fastest? A: Twisted pair B: Coaxial cable C: Fiber-optic cable D: Microwave

______________ are a type of cable that is used by cable TV. A: Fiber cables B: Twisted pair cables C: Coaxial cables

The transmission media used by 10BASE-T Ethernet is ( ) A: Twisted pair B: Fiber C: Coaxial cable D: Radio waves

The transmission media used by 10BASE-F Ethernet is ( ) A: Fiber B: Twisted pair C: Coaxial cable D: Radio waves

Among the following transmission media, the lowest bit error rate is ( ) . A: Optical fiber B: Coaxial cable C: Twisted pair D: Microwave

The electrical transmission medium can consist of . A: a pair of wires B: a coaxial cable C: a radio link through free space down D: all of above

In a data communication system, the transport media with the widest frequency band and best reliability is the( ). A: radio channel B: coaxial cable C: twisted--pair cable D: fiber optic cable

是相当便利的数据传输系统，它利用射频(RF)的技术，使用电磁波，取代旧式碍手碍脚的双绞铜线(Coaxial)所构成的局域网络