Which of the following devices works at the network layer of the ISO-OSI…
2023
Which of the following devices works at the network layer of the ISO-OSI reference model?
- A.
Hub
- B.
Router
- C.
Amplifier
- D.
Repeater
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Correct answer: B
The router is the primary device of the Network Layer. Its main job is to move data packets between different networks.
Addressing: It uses IP addresses (Logical addressing) to identify destinations.
Function: It determines the best path for data to travel (routing) using a routing table.