Quiz in Digital and Data Communication Networks
Question 211. Function of data link protocol that coordinates the rate at which data are transported over a link and generally provides an acknowledgement mechanism that ensures that data are received in the destination.
Question 212. A digital modulation technique also known as “on-off” keying
Question 213. It is used to compare two or more digital modulation systems that use different transmission rates, modulation scheme or encoding techniques
Question 214. The magnitude of a quantum in quantization of PCM codes.
Question 215. The first file transfer protocol designed to facilitate transferring data between two personal computers over the public switched telephone network
Question 216. It is a type of FSK where the mark and space frequencies are synchronized with the input binary rate
Question 217. It is a solicitation sent from the primary to a secondary to determine if the secondary has data to transmit
Question 218. In order to separate channels in the TDM receiver, it is necessary to use
Question 219. Higher order TDM levels are obtained by
Question 220. It is essentially the same with FDM, where several signals are transmitted using different carriers, occupying non-overlapping bands of frequency and wavelengths.