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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.
Yes, single thread module
Differentiate between program translation and program interpretation. The program translation model makes the execution gap through translating a program written in a program
Standard Query Operators in LINQ can be used for working with collections for any of the following and more. 1. Get total count of elements in a collection. 2. Order the resu
a. Define the meaning of "Document & Finger print" and "Message & Message Digest". What's the difference among the 2 pairs? b. Describe Davies Meyer scheme with diagram. c. W
algorithm for deleteing a node
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate
Define EMS The area at location C8000H-DFFFFFH is often free oropen. This area is used for the expanded memory system in a XT or PC system, or for the upper memory system in an
write a program that evaluate the following arithmetic expression: ((A+B) /C) * ((D-A)+E) assign test value to the variable and display the resulting value.
draw a binary tree from its inorder and preorder traversal sequences given as follows: inorder: d b g e h a c n f preorder: a b d e g h c f n
HTML is made up of many elements, a lot of them are overlooked. Though you can develop a Website with the basic knowledge of HTML, to take benefit of many of the advanced features,
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