Q:

If end to end connection is done at a network or IP level, and if there are N hosts, then what is the number of keys required?

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If end to end connection is done at a network or IP level, and if there are N hosts, then what is the number of keys required?


  1. N(N-1)/2
  2. N
  3. N(N+1)/2
  4. N/2

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(a).N(N-1)/2

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