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28 April, 21:41

What is the lowest layer of the OSI model at which LANs and WANs support the same protocols?

Layer 2

Layer 3

Layer 4

Layer 5

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Answers (1)
  1. 28 April, 22:46
    0
    Answer: Layer 3

    Explanation:

    The layer 3 in OSI model is the network layer which is responsible for routing the packet across the network.

    So we need a switch and a router for the LAN and WAN connection and both of them has to support the same protocols at layer 3.
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