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
A: radio channel
B: coaxial cable
C: twisted--pair cable
D: fiber optic cable
举一反三
- 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
- ______________ are a type of cable that is used by cable TV. A: Fiber cables B: Twisted pair cables C: Coaxial cables
- Among the following transmission media, the lowest bit error rate is ( ) . A: Optical fiber B: Coaxial cable C: Twisted pair D: Microwave
- Among the following four transmission media, which has the widest bandwidth, the smallest signal transmission attenuation and the strongest anti-interference capability? A: Twisted pair B: Coaxial cable C: Optical fiber D: Microwave