Computer Science, asked by parampreet165, 1 year ago

List and explain the role of various internetworking devices used at different layers of osi model

Answers

Answered by kirahinamoriamuchan
1

Network devices used in different layers of OSI Model

Devices used in each layer are….

Physical layer or below : Hubs, Repeaters, Cables, Fibers, Wireless..

Data-link layer: Bridges, Modems, Network cards, 2-layer switches.

Network layer: Routers, Brouters, 3-layer switches.

Transport layer: Gateways, Firewalls.

Session layer: Gateways, Firewalls, PC's

Answered by phillipinestest
1

"Devices used in each layer are:

1. Physical layer or below: Hubs, Repeaters, Cables, Fibres, Wireless. (a direct p2p connection)

2. Data-link layer: Bridges, Modems, Network cards, 2-layer switches. (a reliable p2p connection)

3. Network layer: Routers, Brouters, 3-layer switches. (Addressing, routing, and "delivery of datagrams" between points on a "network")

4. Transport layer: Gateways, Firewalls. (Reliable "delivery of segments")

5. Session layer: Gateways, Firewalls, PC's. (Interhost communication and managing sessions)

6. Presentation layer: Gateways, Firewalls, PC's. (Data representation, encryption/decryption, etc)

7. Application layer: Gateways, Firewalls, all end devices like PC's, Phones, Servers. (Network process to application)"

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