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fredd [130]
3 years ago
9

In step 4 of the CSMA/CA protocol, a station that successfully transmits a frame begins the protocol to transmit a second frame

at step 2, rather than step 1.What rationale could justify this procedure over simply transmitting the second frame immediately (if the channel is sensed idle)?
Computers and Technology
1 answer:
irina [24]3 years ago
4 0

Answer:

Using CSMA/CD to avoid collision.

Explanation:

If the channel is detected idle then the station does not transfer the second frame to avoid the collision by design of the CSMA/CD (Carrier sense multiple access / Collision detection). When received the protocol for first frame, a station to send second frame begins at step 2 rather than step1.

Explanation :

• Station A and Station B are transfers data frames, remain all not want to transmit data. In this situation, station A find the channel to be idle and send first frame then next second frame.  

• Similarly B received the transfer data at the same time. Then leads to collision.  

• Using CSMA/CD to avoid collision.

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