Multiple Choice
(From the box,"Controlling 802.11 Transmission") When a wireless NIC wishes to transmit,it listens for traffic.If there is traffic,it waits.If there is no traffic,it may transmit.
A) True.
B) Sometimes true.
C) False.
Correct Answer:

Verified
Correct Answer:
Verified
Q48: Which unlicensed band provides greater propagation distance
Q49: Attenuation with distance is faster with _.<br>A)UTP
Q51: 802.11ad will _.<br>A)operate in the 60 GHz
Q54: The most rapidly growing 802.11 LAN standard
Q55: In unlicensed bands,_.<br>A)you can use radios wherever
Q56: Which of the following can offer speeds
Q57: (From the box,"Controlling 802.11 Transmission")Media access control
Q58: The total range of possible 802.11 WLAN
Q93: An access point and a host it
Q95: Signals usually _.<br>A)travel at a single frequency<br>B)spread