You are discussing the design and infrastructure of the Internet with several colleagues when a
disagreement begins over the actual function of the NAP in the Internets design. What is the
function of a
NAP in the physical structure of the Internet?

A.
The NAP provides for a layered connection system of ISPs connecting to the backbone.

B.
The NAP provides the actual connection point between a local user and the Internet.

C.
The NAP provides the physical network with communication channels for the Internet and
voice/data applications.

D.
The NAP provides a national interconnection of systems, called peering centers, to the NSPs.

E.
The NAP provides for a connection point between an ISP and the backbone of the Internet.