Correct option is D
· An Internet service provider (ISP) is any company that provides Internet access to consumers and businesses.
· The Internet is provided through a variety of channels, including cable, DSL, fiber optics, dial-up, and wireless, with most ISPs offering all options.
· They offer various connection methods like dial-up, DSL, cable, fiber optic, and wireless.
· Examples of well-known ISPs include Comcast, Verizon, AT&T, and Spectrum.