The three categories of Media Access discussed in the book are: 1) Random Access

Question

The three categories of Media Access discussed in the book are: 1) Random Access, Controlled Acess & Channelization 2) Random Access, Controlled Acess & Coordination 3) Random Access, Polling Acess & Channelization 4) Network Access, Controlled Acess & Channelization Save Question 26 (1 point) In pure Aloha, the sender expects the receiver to send 1) a CTS 2) an ACK 3) a RTS 4) None of the above Save Question 27 (1 point) In a station will send a frame immediately if the line the idle, if it is not idle the station will wait a random amount of time and sense the line again. 1) nonpersistent 2) 1-persistent 3) p-persistent 4) t-persistent Save Question 28 (1 point) Which of the following is not a type of switching method used in networks? packet switching circuit switching data switching message switching

Explanation / Answer

1 a) Random Access, Controlled Access and Channelization

26 b) An ACK signal must be sent by the reciever.

27) a) Non-persistent method, it will wait for random amount of time and then repeat the same steps.

28) c) data switching is not an type of switching method.

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