In which topology does a failure in one node NOT affect the entire network?

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RRB JE ECE 22 Apr 2025 Shift 2 CBT 2 Official Paper
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  1. Ring topology
  2. Fully connected mesh topology
  3. Star topology
  4. Bus topology

Answer (Detailed Solution Below)

Option 2 : Fully connected mesh topology
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The correct option is 2

CONCEPT:

Mesh is a networking topology, in which each device is connected with every other device in the network.

If any of the link connecting two devices fails, there is no effect on the communication network as  as shown in the below diagram.

F2 Madhuri Engineering 26.05.2022 D5

F2 Madhuri Engineering 26.05.2022 D6

Consider the link between nodes A and B fails. 

Now if A wants to communicate with B then it can communicate via nodes C and D. Thus  there is no effect on the communication network.

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