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Which OSI layer is mainly responsible for determining the best physical path for data to travel across interconnected networks?

medium📝 Analysis Q4 of 15
Computer Networks - OSI and TCP/IP Models
Which OSI layer is mainly responsible for determining the best physical path for data to travel across interconnected networks?
ANetwork Layer
BTransport Layer
CData Link Layer
DSession Layer
Step-by-Step Solution
Solution:

  1. Step 1: Identify the function of each OSI layer

    The Network Layer is responsible for logical addressing and routing.

  2. Step 2: Understand routing

    Routing involves selecting paths for data across networks, which is a Network Layer task.

  3. Final Answer:

    Network Layer -> Option A

  4. Quick Check:

    Routing = Network Layer [OK]
Quick Trick: Routing and path selection happen at Network Layer [OK]
Common Mistakes:
MISTAKES
  • Confusing Transport Layer with routing
  • Thinking Data Link Layer handles routing
  • Assuming Session Layer manages physical paths

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