Refer to the exhibit.
A 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
leased line require a modem, not a serial connection
In computing, a serial port is a serial communication interface through which information transfers in or out one bit at a time (in contrast to a parallel port). Data was transferred through serial ports to devices such as modems, terminals and various peripheral
Serial interfaces are used by ISP to provide WAN connections as a frame relay, T1, T3.
Ethernet interfaces are used in LAN and WAN connections (RJ45).