Which of the Following Is True of the Term Internet

Multiple Choice

Which of the following is true of the term Internet backbone?

A) It refers to high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
B) It refers to broadband service provided via light-transmitting fiber-optic cables.
C) It refers to the language used to compose Web pages.
D) It refers to a situation when separate ISPs link their networks to swap traffic on the Internet.
E) It refers to a system that connects end users to the Internet.