Telecom Routers Switches Question:
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Most networks employ devices for routing services. Routers work at which OSI layers?

Answer:

Application layer
Presentation layer
Session layer
Transport layer
Network layer - Routers
Datalink layer - Switches
Physical layer - Hub

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Which is a type of hub that forwards packets to an appropriate port based on the packets address?Which devices discriminates between multicast and unicast packets?