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Module 1: Physical Layer & Data Communication

20252m

Which of the following topology provides the highest reliability?

  • (i) Mesh
  • (ii) Star
  • (iii) Ring
  • (iv) Bus
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Answer: (i) Mesh

In a mesh every device has a dedicated link to every other device, so the failure of one link or node does not stop communication. Star depends on the central hub, and ring/bus can fail if the medium breaks.

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