KERALA UNIVERSITY Class 4 data communication Question Paper 2019

Practice authentic previous year questions for better exam preparation.

Sample Questions

(c) Differentiate block codes and convolution codes
(a) What is circuit switching? Discuss how packet switching is better than circuit switching for computer to computer communication
What are the main benefits of spread spectrum system? State how DSSS system benefits from multipath propagation? ( $\mathbf{5} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{2 0}$ Marks) P.T.O. Answer one question from each Module. Each quest...
(a) State the difference between direct sequence spread spectrum technique and frequency spread spectrum technique with an example?
Consider a point-to-point link 50 km in length. At what bandwidth would propagation delay (at a speed of $2 \times 10^{8} \mathrm{~m} / \mathrm{s}$ ) equal transmit delay for 100-byte packets? What about 512-byte packets?