Which among the following caused the shift of complexity management from networks to cognitive radio?

Elimination of multiple bands in radio

Introduction of multiple bands in radio

Introduction of multiple modes in radio

Introduction of multiple bands and multiple modes in radio

Elimination of multiple bands in radio

Which among the following caused the shift of complexity management fr

1.	Which among the following caused the shift of complexity management from networks to cognitive radio?
A.	Introduction of multiple bands in radio
B.	Introduction of multiple modes in radio
C.	Introduction of multiple bands and multiple modes in radio
D.	Elimination of multiple bands in radio
Answer» D. Elimination of multiple bands in radio