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Which layer in the TCP/IP model is responsible for routing packets across networks?

easy📝 Conceptual Q2 of 15
Computer Networks - OSI and TCP/IP Models
Which layer in the TCP/IP model is responsible for routing packets across networks?
AInternet layer
BApplication layer
CTransport layer
DNetwork Interface layer
Step-by-Step Solution
Solution:

  1. Step 1: Identify TCP/IP layers

    The TCP/IP model has four layers: Network Interface, Internet, Transport, and Application.

  2. Step 2: Determine routing responsibility

    The Internet layer handles routing packets between different networks.

  3. Final Answer:

    Internet layer -> Option A

  4. Quick Check:

    Routing = Internet layer [OK]
Quick Trick: Internet layer routes packets in TCP/IP [OK]
Common Mistakes:
MISTAKES
  • Confusing Transport with routing
  • Choosing Application layer for routing
  • Mixing OSI layer names

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