Which of the following statements is true of cable lines?
A)Cable lines provide high-speed data transmission using telephone cables.
B)Performance of cable lines is stable irrespective of the number of users sending and receiving data.
C)Cable lines use the same protocols used by data transmission lines.
D)The signals from cable lines do not interfere with TV signals.

Question

Quizplus · Accepted Answer

Cable lines use radio frequency signals to transmit data, but these signals are designed not to interfere with TV signals. This is achieved through the use of filters and other technologies that separate the two types of signals. Choices A, B, and C are incorrect because cable lines do not use telephone cables, performance can be affected by the number of users, and cable lines use different protocols than data transmission lines.

Which of the Following Statements Is True of Cable Lines