In an Ethernet network which device is used to forward the packets based on IP Address

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URSC ISRO Technical Assistant Electronics 20 August 2017 Official Paper
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  1. Hub
  2. Switch
  3. Bridge
  4. Router

Answer (Detailed Solution Below)

Option 4 : Router
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ROUTER:

  • It is mainly a network layer device.
  • It also works as a switch that routes the data packets based on IP-address.
  • It compares the IP address against the routing table to determine the packets' best next-hop.

HUB:

  • A hub connects multiple wires coming from different branches that connect different stations.
  • It regenerates incoming signals and copies them forward to multiple wires or all the ports.

BRIDGE:

  • Operates at the data link layer.
  • It regenerates incoming signals with filtering facility by reading MAC address, source, and destination.
  • It is a single input single output device.

SWITCH:

  • It is a multiport bridge with buffer & better efficiency.
  • It is a data link layer device.
  • It can perform error checking before forwarding data.
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