Is a PC a layer 3 device?

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Layers in the TCP/IP Model

  • Layer 1 (Network Access): Also called the Link or Network Interface layer.
  • Layer 2 (Internet): This layer is similar to the OSI model’s L3.
  • Layer 3 (Transport): Also called the Host-to-Host layer.

TCP/IP Layers

  • Network access
  • Internet
  • Transport
  • Application

The TCP/IP Model

The TCP/IP model is based on a five-layer model for networking. From bottom (the link) to top (the user application), these are the physical, data link, network, transport, and application layers.

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