Exhibit:

Refer to the exhibit. An industrial ruggedized network device needs to be installed in the place of
the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which
network device and interface configuration meets the minimum requirements for this installation?

A.
a router with two Ethernet interfaces

B.
a switch with two Ethernet interfaces

C.
a router with one Ethernet and one serial interface

D.
a switch with one Ethernet and one serial interface

E.
a router with one Ethernet and one modem interface