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A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or other radiated energy source that has no clear physical presence. Information sent by a communications channel has a source from which the information originates, and a destination to which the information is delivered. Although information originates from a one source, there may be more than single destination, depending upon how many receive stations are related to the channel and how much energy the transmitted signal possesses.
The bitonic sorting network needed log n number of stages for performing the task of sorting the list. The first n-1 stages of the circuit are able to sort two n/2 numbers and the
Multicast Routing Protocols Multicast group addresses are assigned by IANA [Internet Assigned Numbers Authority for well known services and protocols. Information is exchang
Selective Repeat (SR) Selective repeats is a connection oriented protocols in which transmitter and receiver have a window of sequence numbers. SR scheme avoids the unne
Overview of Data transmission network model A network is a combination of hardware and software that sends data from one location to another. The hardware consists of the physi
Q. How is computer networks used in teleconferencing? Teleconferencing: Teleconferencing allows conference to happen without the participants being in the same place. Applica
ATM can give customers with virtual circuits that seem traditional leased digital circuits. Such permanent virtual circuits (PVC) fixed as the customer pay the periodic fee for its
Can you describe screened subnet architecture?
How LANs connected to Internet. Doubling every 18 months means factor of four gains in 3 years. In 9 years, gain is then 43 or 64, which leads to 6.4 billion hosts. My intuitio
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
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