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There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
Network layer duties Internetwork - Physical and Data link layers are jointly responsible for data delivery on the network from node to node
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
Q. Show the Vulnerability of the Internet? More vulnerable than private network. Wide inter-network connection. Easy access by mass public world-wide. Lack of build in
Question The circuit in the figure is driven by a 9 mV amplitude signal generator with an output impedance of 2 kW. What is the output voltage amplitude from the circuit in the
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity. These connect
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
LOW-Earth Orbiting have more advantageous in Mobile based communication devices like PDAs, Cell phones and automobile communications. The LOW-Earth Orbiting is a satellite of orbit
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