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Carrier Sense Multiple Access/Collision Avoidance
a) Necessary since wireless LANs cannot implement CSMA/CD
b) Collision detection requires increased bandwidth requirements
c) Collisions might not be detected due to obstacles
d) Distance between stations may prevent collisions from being heard
e) Collision avoidance is accomplished through network allocation vector (NAV)
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In communication weakening or loss of signal energy, typically caused by distance
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TPC and UDP are 2 layer of Transport protocols.
Which command saves the configuration stored in RAM to NVRAM Ans) copy running-config startup-config is the command which saves the configuration stored in RAM to NVRAM
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