Answer the following questions.
Question 1) Why CSMA | CD fails in wireless network?
Question 2) Describe network and switching subsystems.
Question 3) Why is routing in multihop ad-hoc network is complicated?
Question 4) Describe the architecture of WAP with diagram.
Question 5) List the entities of mobile IP and explain data transfer from a mobile node to a fixed node. Why and where encapsulation is needed?