Which is a class C address?

A$)100\mathrm{.}10\mathrm{.}10\mathrm{.}10$

B$)25\mathrm{.}10\mathrm{.}10\mathrm{.}10$

C$)195\mathrm{.}10\mathrm{.}10\mathrm{.}10$

D$)225\mathrm{.}10\mathrm{.}10\mathrm{.}10$

The$\_\_\_\_\_$ provides a way to connect all types of computers systems together.

A$)$ NIC

B$)$ Internet

C$)$ Ethernet

D$)$ ATM