____ is designed for short-distance connections and has only a few lambdas, with a greater space between lambdas.
a. Dense wavelength division multiplexing (DWDM)
b. Fixed wavelength division multiplexing (FWDM)
c. Coarse wavelength division multiplexing (CWDM)
d. Inverse wavelength division multiplexing (IWDM)
Answer: C