
Below are the answers key for the Multiple Choice Questions in Digital and Data Communication Networks - MCQs Part 3.
101. Information
102. Return to zero
103. Coax
104. T carriers
105. Secure communications
106. Gateways
107. All of these
108. Using multiple levels of multiplexing
109. Digital modulation
110. Pulse-code modulation
111. Character and Byte-oriented protocols
112. Cyclic redundancy check
113. Noise proof
114. Quantizing
115. Quantization
116. Frame time
117. Composite baseband
118. is equal to twice the bandwidth of an ideal channel
119. noise
120. FSK
121. Space, mark
122. Digital Signal Processing
123. Token passing
124. PBX
125. flat top sampling
126. Analog-to-Digital converter
127. Session layer
128. the PAM signal itself
129. Digital radio
130. interleaves pulses belonging to different transmissions
131. Coding efficiency
132. Differential PCM
133. 192 kbps
134. PSK
135. Shift register
136. Discriminator
137. channel access
138. bus
139. probability of errors
140. line speed
141. A/D converter
142. baud rate
143. Any of these
144. Data Link Protocol
145. noise would introduce too many errors
146. PCM
147. 1.075 MHz
148. slope overload
149. Time division multiplex
150. PLL discriminator
Online Questions and Answers Series
Following is the list of practice exam test questions in this brand new series:
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