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802.11 FHSS
Frequency-hopping spread spectrum in a 2.4 GHz band
Carrier sends on one frequency for short duration then hops to another frequency for same duration, hops again to another for same amount of time and so on
Spreading adds security since only sender and receiver agree on sequence of allocated bands
Contention is handled by MAC sub layer since all stations use the same sub bands
Pseudorandom number generator chooses the hopping sequence
Data rate is of 1 or 2 Mbps
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Responses Responses are sent from the server to the client. A responses is a three digit code that may be followed by additional textual information.
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
How is NAT executed
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