Implementing IPoDWDM interfaces on Cisco CRS routers eliminates the need for which network
component?

A.
ROADM

B.
external transponders

C.
electrical-optical-electrical converters

D.
electrical cross-connect

Explanation:
IP over DWDM (IPoDWDM) is a technology used in telecommunications networks to integrate IP
Routers and Switches in the OTN (Optical Transport Network).