Question 1 (1 mark)
Consider a subnet in the following figure, with the weight of each edge as shown in the label. The shortest path routing is used.
2) What is the shortest path from B to F and its distance?
Question 2 (1 mark)
Organisation Starting Address Ending Address Number of Addresses Allocated Mask
A
B
C
D
Question 3 (1 mark)
Different applications care about different aspects of a network transmission. For the following applications please annotate each bucket/aspect with three values, Low, Medium, High, where High means a high need for quality for that aspect.
Application Bandwidth Delay Jitter Loss
Downloading Music
Instant Messaging
Online Card Game
Skype (Voice) Call
Question 4 (1 mark)
Question 5 (1 mark)
In the following security protocol that we saw in class, discuss briefly what could go wrong with the protocol if RA was not sent across from Alice to Bob. What fails in the protocol?
