Switch1 Switch2 A XI 2 1 2 X 3 Switch1 Table Incoming Outgoing Port VCI Port VCI Switch 2 Table Incoming Outgoing Port VCI Port VCI 1 8 20 3 b 27 a N 1 3 Switch 3 Table Incoming Outgoing Port VCI Port VCI X B Switch3 2. d VCI= 36 e f 1. Give an example network that uses virtual circuits (1 Mark) 2. What are the two types of addresses involved in virtual circuits (2 Marks)? 3. From the figure above, what are the values of the following: a b c d and f