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802.11 CSMA/CA
a) Wait a DIFS time to avoid collision
b) Send RTS and wait for CTS reply to obtain the use of the Medium (air)
c) Use of SIFS time for control information
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Security models by giving striking analogies to the real world A classical case study: (With due acknowledgements to the security exponent who proposed this theory.) He has c
Q. Show the steps used at sender end by check sum? The sender follows these steps: The data unit is divided into "k" sections, each off "n" bits All sections ar
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
What is the Network Layer of the OSI responsible for? Ans) The Network Layer routes data from single node to another sends data from the source network to the destination networ
Distributed Shared Memory (DSM) systems copy a shared memory abstraction on loosely coupled architectures in order to allow shared memory programming despite missing hardware suppo
You must write the 6 programs described below. All of these are command-line tools that follow the Unix style of passing switches and arguments on the command line. As such, your p
persistent
Q. Fiber-Optic Cable as transmission media? - Made of glass signals are transmit like light pulses from an LED or laser - Light is as well a form of electromagnetic energy
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
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