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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)
Can you describe the basic of encryption in VPN?
What are different kinds of dynamic protocols?
http://cseweb.ucsd.edu/~savage/papers/CCS12Exploit.pdf
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