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Explain the security issues with wireless networks? What are the different kinds of cables used in networking? Explain what is encapsulation and decapsulation? Define the

  1. Explain the security issues with wireless networks?
  2. What are the different kinds of cables used in networking?
  3. Explain what is encapsulation and decapsulation?
  4. Define the terms bandwidth, throughput and goodput?
  5. What are the responsibilities of the data link layer?
  6. Explain contention-based access and controlled access in the data link layer?
  7. What are the three logical topologies explained?
  8. Explain CSMA/CD and CSMA/CA

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