Spread spectrum transmission is used in WLANs because ________.
A) it is required by regulators
B) it offers strong security
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Q52: A single access point,and the set of
Q53: Which of the following uses OFDM?
A) 802.11ac
B)
Q54: Access points in the same ESS communicate
Q55: If there is an access point that
Q56: In general,the fewer the channels,_.
A) the greater
Q58: In roaming,a wireless client moves from one
Q59: Spread spectrum transmission is used in WLANs
Q60: A wireless host sends a packet to
Q61: In CSMA/CD+ACK,when a wireless NIC wishes to
Q62: In CSMA/CA,CS means _.
A) cancel sending
B) counter-source
C)
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