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An overall rise in mobility, coupled with the falling cost of Wi-Fi equipment, has led to a proliferation of Wi-Fi hot spots in public areas to provide Internet accessibility. Thus, this proliferation has also engendered growing security concerns.
(a) By making use of a diagram, describe the typical architecture for Wi-Fi hotspots.
(b) Describe what the term session hijacking means. Differentiate between active session hijacking and passive session hijacking.
(c) In terms of Wi-Fi hotspot security, explain on the following risks:
i. Spoofed provider access ii. Service theft attack
(d) Discuss on the defensive security mechanisms that can be employed in order to better secure public Wi-Fi hotspots.
(a) Describe briefly the difference between flow control and congestion control in relation to a connection-oriented protocol such as TCP. (b) What is the initial rate of data
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Question: (a) Draw the waveform for an asynchronous transmission with the following specifications: Character "H", one even parity bit, one start bit, one stop bit, and a b
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