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Question:
(a) Explain and illustrate different architectures for IEEE802.11 (WiFi).
(b) The MAC management of IEEE802.11 handles transmitter activity for power management. With the help of a diagram explain how this power management is achieved within the different network architectures supported by IEEE802.11.
(c) Explain the following terms in the Bluetooth architecture:
(i) Master
(ii) Piconet
(iii) Slave
(iv) Parked Devices
(v) Standby Devices
(vi) Scatternet
(d) The Java APIs for Bluetooth Wireless Technology provide functionalities that fall in three categories. State and explain those categories.
What is Wired Equivalent Privacy?
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Explain about the Gopher The ghoper is a protocol designed to search, retrieve and display documents from remote sites on the Internet. The Ghoper was formed as a piece of sof
What are advantages of having e-commerce over extranets
What is Ring topology The network consists of a set of repeaters joined by point-to-point links in a closed loop. Each station attaches to the network at a repeater and can tra
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Ping and Traceroute are used by ICMP for Testing. Destination Unreachable messages are obtained by a router when it does not have a route to the network.
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