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IEEE 802.11 defines its physical and MAC layers based on CSMA/CA. Answer the following questions on CSMA/CA. (20 marks) 1. Describe the procedure of CSMA/CA

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IEEE 802.11 defines its physical and MAC layers based on CSMA/CA. Answer the following questions on CSMA/CA. (20 marks) 1. Describe the procedure of CSMA/CA and CSMA/CD. (10 marks) 2. Identify and briefly explain three reasons why CSMA/CD cannot be used for a wireless LAN (10 marks)

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