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1. Do we encapsulate our message when we send a regular letter to a friend? When we send a post card to a friend while we are vacationing in another country, do we encapsulate our message?

2. Why do you think that we do not need addresses at the physical layer?

3. Why do you think a radio station does not need the addresses of its listeners when a message is broadcast?

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M92722964

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