Computer networks

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Across
  1. 5. a component of subnet is?
  2. 7. one of the combination of computer network.
  3. 8. which will carry a message from host to host?
Down
  1. 1. mention one type of the classification of network in transmission technology
  2. 2. which network run at speed of 10 to 100 mbps
  3. 3. who is the developer open systems interconnection?
  4. 4. internet and ATM are designed from which networking
  5. 6. how many layers in OSI