Wireless & Mobile Computing past/Previous question paper
Wireless & Mobile Computing Final Paper in 2021
Question 1: Provide short answers. (4 marks each)
a) Describe satellite transmission. Which well-known applications are using satellite
b) What are external attacks? Describe some external attacks.
c) Differentiate between symmetric and asymmetric key encryption. d) What is proactive routing describe some properties of such routing?
e) Provide general structure of stream cipher. What are different propertied a keystream?
Question 2: Why we use Key Scheduling Algorithm (KSA) and Pseudo-Random Generation Algorithm (PRGA) in RC4 stream cipher? You are required to provide these algorithms and explain them with some suitable example (5+5 Marks)
Question 3: Regarding AODV attempt following questions. (4+3+3 Marks)
a) Discuss route discovery process followed by AODV with some example.
b) How the destination will reply to a route request?
c) What happens when a node receives multiple RREP for a given destination from more than
Question 4: Describe importance of communication for loT devices. What are different protocols used specifically for IOT? Provide overview and working of each protocol. (10 marks)