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
A: Twisted pair
B: Coaxial cable
C: Optical fiber
D: Microwave
C
举一反三
- Among the following transmission media, the lowest bit error rate is ( ) . A: Optical fiber B: Coaxial cable C: Twisted pair D: Microwave
- 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
- Which physical connection is the fastest? A: Twisted pair B: Coaxial cable C: Fiber-optic cable D: Microwave
- Among the following transmission media, the lowest bit error rate is Coaxial cable.
内容
- 0
______________ are a type of cable that is used by cable TV. A: Fiber cables B: Twisted pair cables C: Coaxial cables
- 1
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
- 2
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
- 3
The transmission of 3.6 Tbit/s signal on 120km fiber lines has been successfully achieved in the laboratory.
- 4
Which of the following connector types is used with twisted pair cable?（） A: T-Connector B: BNC C: RJ-45 D: LC