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Explain me why the data communication industry use the layered OSI reference model?
1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
3. It encourages industry standardization by defining what functions occur at each layer of the model.
4. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.
A. 1 only
B. 1 and 4
C. 2 and 3
D. 3 only
E. 1 and 3
Describe its physical layer standard this access method should rely on. What types of infrastructure upgrades are necessary to implement your suggested network?
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