q explain types of redundancy checksparity check
Q. Explain Types of Redundancy Checks?
Parity Check
CRC (Cyclic Redundancy Check)
Check Sum
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100base-fx utilizes two identical optical fibers in star topology one fiber holds frames from the station to hub one from hub to station encoding
gigabit ethernet data rate of 1000 mbps or else 1 gbps typically implemented as full-duplex with no csmacd 1000base-x utilizes long-wave optical
token bus physical order of stations doesnt matter line is broadcast medium send token by addressing neighbour provisions for deleting adding
token bus sublayer protocol send for some time then pass token if no data after that pass token right away traffic classes 0 2 4 and 6 highest
q explain types of redundancy checksparity check simple parity check two dimensional parity check longitudinal redundancy check lrc crc cyclic
control frame solicitsuccessor periodically ask for any station to link by sending solicitsuccessor token with senders addr and successors addr
q show the parity check - performanceparity check - performance is able to detect all single-bit errors can as well detect burst errors if the
error detection- 2dlrc adds an additional character instead of a bit a block of bits is prearranged in a table the parity bit for every data unit
control frame setsuccessor station x wants to leave successor s predecessor p x sends setsuccessor frame to p with s as data field p changes its
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