Your customer wishes to eliminate the expense of distributing training videotapes to each location but is worried about bandwidth consumption affecting critical business applications. Which network module can be added to ISRs to allow the customer to distribute the videos over the WAN with minimal impact on bandwidth?

A.
NM-CUE-EC

B.
NM-16ESW-1GIG

C.
NM-HDV

D.
NM-CE-BP-40G