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Thursday, January 2, 2020

In a full mesh network topology containing 13 nodes, how many physical channels exist between all of the nodes?

In a full mesh network topology containing 13 nodes, how many physical channels exist between all of the nodes?

  • 84
  • 78
  • 64
  • 56 

EXPLANATION


 In a mesh topology, each node has a dedicated point-to-point link to every other nodes.
If the number of nodes in a fully mesh network is n, then the total number of physical channels to link all nodes are n(n-1)/2.
Substituting 13 for n, the result is 78.
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