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Microcells
As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp posts, where they form microcells. Each reduces in cell size is accompanied by a reduction in the radiated power levels from the base stations and the mobile units. Microcells are useful in city streets in congested areas, with highways, and inside large public buildings.
FORMAT OF HARDWARE ADDRESS: It have of a numeric value and its size is chosen for specific network technology. The length of the message format is one to six bytes.
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
discuss communication isolation and privatization in network topologies
How is NAT executed
Hyper Cube: A Hypercube interconnection network is an expansion of cube network. For n=3, Hypercube interconnection network may be described recursively in this manner: For n
Describe how Link-State routing protocols work
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Lat take the CONNECT (client side), LISTEN, and ACCEPT (server side) socket primitives a) Why are these three needed for a TCP connection? b) Why are none of them needed for a U
DEFINITION: Latency = Delay. Because a store and forward switch reads the entire frame before forwarding, a larger frame takes longer than a shorter frame.
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
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