In OSI model USB lies under the layer __________

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In OSI model USB lies under the layer ___________.

1. network layer
2. transport layer
3. data Link layer
4. physical layer
5. None of these

Correct Option: D

There are seven layers namely Physical layer, data Link layer, network Layer, transport layer, session layer, presentation layer, and application layer. The physical layer is the first layer, it is used for transmitting electrical signal across the network. Examples are USB, Bluetooth or Ethernet.