Spread spectrum transmission is used in commercial WLANs for security reasons.
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Q41: _ is a technique for preventing two
Q44: An extended service set (ESS)is a group
Q47: In an extended service set,each access point
Q52: A single access point,and the set of
Q55: When a WLAN is in use,the distribution
Q60: A wireless host sends a packet to
Q61: When a wireless NIC wishes to transmit,it
Q62: In the 60 GHz service band,_.
A)signals travel
Q70: In _,when a wireless host wishes to
Q71: Media access control governs transmission by _.
A)
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