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
A: a pair of wires
B: a coaxial cable
C: a radio link through free space down
D: all of above
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
- 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
- Which physical connection is the fastest? A: Twisted pair B: Coaxial cable C: Fiber-optic cable D: Microwave