Which technology will enable communications service providers to add transmission capacity to an existing fiber-optic network without having to lay more fiber-optic cable?

Which technology will enable communications service providers to add transmission capacity to an existing fiber-optic network without having to lay more fiber-optic cable?

Which technology will enable communications service providers to add transmission capacity to an existing fiber-optic network without having to lay more fiber-optic cable?




a. ATM
b. DWDM
c. CDMA
d. WAP









Answer: B