ITN 100 Chapter 4|50 Study Guide Questions And Answers

Only the sender of a data transmission needs to be concerned about the rules or protocols that govern how it communicates with the receiver - ️️False Which of the following is way to reduce or eliminate crosstalk on a circuit, - ️️Changing multiplexing techniques Attenuation refers to the loss of signal strength. - ️️True Contention is commonly used with Ethernet local area networks. - ️️True ________ is an effective way to prevent impulse noise, cross-talk, and inter-modulation noise. - ️️Shielding Wires ___________ is defined as the total number of information bits divided by the total number of bits in the transmission. - ️️Transmission efficiency Overhead bits are used for error checking and marking the start and end of characters and packets. - ️️True The primary source of error in data communications is: - ️️Spikes In ARQ, a NAK: - ️️Is sent by the recipient if the message contains an error Which of the following is true with respect to the data link layer? - ️️It is responsible for getting a message from one to computer to another (one node to another) without errors.