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Question 1:
(a) Describe the two fundamental characteristics of antennas explaining in detail how it affects the security of wireless networks.
(b) What is a wireless client utility and why are they used?
(c) How are wireless networks vulnerable to wireless packet sniffers, and how do you protect against this vulnerability?
(d) What type of Modulation does 802.11n use and explain how it achieves 150 Mbits/sec?
Question 2:
(a) 802.11x has an authentication mechanism that allows the use of certificates. Explain the basic working of this protocol by giving appropriate examples supporting your answer with a network diagram. Your answer should clearly show the flow of communication between the nodes and explain the functionality of each device in the network.
(b) Explain how obscurity can be a valuable tool in protecting a wireless network.
(c) Enterprise Wireless Networks generally use three main authentication methods. Identify them and explain the weakness of each one where possible.
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