Data Communication & Network Data Communication & Network The ____ encoding scheme has a voltage change at the beginning of a 1 and no voltage change at the beginning of a 0.

The ____ encoding scheme has a voltage change at the beginning of a 1 and no voltage change at the beginning of a 0.

a. nonreturn to zero inverted (NRZI)
b. nonreturn to zero-level (NRZ-L)
c. Manchester
d. Differential Manchester

Answer: A

Data Communication & Network