5. Why is line coding needed in the physical layer?
举一反三
- Physical layer coding violations are only applicable to networks in which the encoding on the physical medium contains some redundancy.
- The（ ）layer corresponds to the physical layer of the OSI model. A: photonic B: line C: path D: section
- Which neural coding scheme does the vector averaging belongs to? A: cable line coding B: population coding C: color coding D: shape coding
- Which of the following are the basic functions of the physical layer?()
- The WDM transmission network consists of three layers: Physical Layer、Data Link Layer and Network Layer.