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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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Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
A 5-bit DAC produces an output voltage of 0.2V for a digital input of 00001. Find the value of the output voltage for an input of 11111. What is the resolution of this DAC? Ans
Define service (within R/3)? A service is a process or group of processes that perform a exact system function and often give an application-programming interface for other pr
Quadratic probing: In the above case when the first insertion is made the probability of latest element being inserted in a certain position is 1/n where n is the size of the a
Perl is a language and MOD_PERL is a module of Apache used to increase the performance of the application.
1. Conduct a literature survey of advanced applications of the finite element method for engineering design and analysis. 2. Identify at least one application, which interests y
want to know about latest work and research papers on internet data synchronization
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