Question: Suppose there are two mobile nodes, a source, and a destination, in an 802.11b WLAN. Answer the following questions on CSMA/CA. 1. Describe the CSMA/CA

Suppose there are two mobile nodes, a source, and a destination, in an 802.11b WLAN. Answer the following questions on CSMA/CA.

1. Describe the CSMA/CA algorithm for both the source and the destination, assuming that Request to Send(RTS)/Clear to Send(CTS) is not used.

2. When using RTS/CTS, explain what would prevent a hidden terminal from interfering with a source node?

3. When using RTS/CTS, explain how an exposed terminal decides it is safe to used another destination?

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