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Author Question: Physical layer standards govern ________. A) frame structure B) signaling C) both A and B D) ... (Read 118 times)

lracut11

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on: Jul 7, 2018
Physical layer standards govern ________.
 
  A) frame structure
  B) signaling
  C) both A and B
  D) neither A nor B

Question 2

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


SVictor

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Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

D


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