Multiple Choice
In ________,when a wireless host wishes to send,it first sends a message to the wireless access point asking for permission to send.When the access point sends back a response,the host sending the original message may transmit.All other hosts must wait.
A) CSMA/CA+ACK
B) CSMA/CA
C) CSMA/CD
D) RTS/CTS
Correct Answer:

Verified
Correct Answer:
Verified
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Q39: Wi-Fi operates in the 2.4GHz and 5GHz
Q40: The main problem with the 60 GHz
Q41: MIMO _.<br>A) bonds two or more channels
Q43: If the signal strength from an omnidirectional
Q44: The downside of unlicensed bands is potential
Q45: What propagation problem is especially bad in
Q46: If an 802.11n client tries to use
Q47: To transmit data very rapidly,you would want