explain CSMA/CA  in Multiple Access Protocols in 3-4 Sentences and avoid plagiarism

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A: The required Python code is:   def calcGrade(num):    if num >= 85:        return 'A'    elif num...

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A: 1 .this means b is a pointer to a 2. Modular  

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A:

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Recovery and Performance of Network

A network is a group of peripherals, computers, servers, network devices, mainframes, and other devices that are connected to allow electronic communication, and data and resource sharing. The computer network connects the devices either by using cables or wireless fidelity to transmit, share, or exchange both resources and data.