The fiber-optic cables that span the globe over land and under sea make up the Internet _____.
A) infrastructure
B) backbone
C) layer
D) protocol

Question

Quizplus · Accepted Answer

The fiber-optic cables that connect the different networks and form the core of the Internet are commonly known as the backbone. Therefore, option B is the most fitting answer. The other options may also be related to the Internet, but they do not accurately describe the physical media that make up the Internet.

The Fiber-Optic Cables That Span the Globe Over Land and Under