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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.
Merits of MPI Runs on any shared or distributed memory architectures; Can be used on a wider range of troubles than OpenMP; Every process has its own local variabl
Q. Explain the Bit-Level Encryption? Bit-Level Encryption - Data is divided into blocks of bits then altered by encoding/decoding, permutation, substitution, exclusive OR
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
Root DNS Servers A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but
Operating system for Server Since 1994, when the original pair of web servers - NCSA HTTPd and CERN HTTPd , were proposed, dozens of commercial and shareware programs have
What is Security solutions Though there are a number of security solutions available due to sophistication in technology, there are a number of risks and difficulties attached
Full-Duplex Ethernet 10Base5 as well as 10Base2 are half-duplex Full-duplex raises capacity of each domain No require for CSMA/CD
Transmission Control Protocol (TCP) TCP makes the Internet reliable. TCP solves several problems which can occur in a packet switching system. TCP provide the given facilities:
Token Bus Sublayer Protocol Send for some time then pass token If no data after that pass token right away Traffic classes 0, 2, 4 and 6 (highest) Internal s
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