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Differentiate between Fast fading and Slow fading
Fast fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a small distance of about one-half a wavelength.
Slow fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a larger distance, well in extra of a wavelength.
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
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
Can you define the difference among trusted and untrusted networks?
Line Layer The line layer provides the synchronization multiplexer, multiplexing and automatic protection switching for the layer . primary concerned with the reliable trans
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
One of the most popular models for designing parallel algorithms is PRAM (Parallel Random Access Machine). A PRAM consists of unbounded number of processors interrelating with each
A default route is analogous to a default gateway. It is used to decrease the length of routing tables and to give complete routing capabilities when a router may not know the rout
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LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
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