Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks. Which
two descriptions best define DWDM?

A.
A WDM system that is compatible with EDFA technology

B.
An optical technology for transmitting up to 16 channels over multiple fiber strands

C.
An optical technology for transmitting up to 32 channels over multiple fiber strands

D.
A technology for transmitting multiple optical signals using less sophisticated transceiver
designs then CWDM

E.
A technology for transmitting more closely packed optical signals using more sophisticated
transceiver designs than CWDM