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Give a short note on Switch …

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Give a short note on Switch , repeater, hub, router bridge, gateway
  • 2 answers

Nitesh Kumar 3 years, 4 months ago

H

Yogita Ingle 3 years, 4 months ago

  • A repeater is a device that operates only in the physical layer. Signals that carry information within a network can travel a fixed distance before attenuation endangers the integrity of the data.
  • A bridge operates in the physical layer as well as in the data link layer. It can regenerate the signal that it receives and as a data link layer device, it can check the physical (MAC) addresses of source and destination contained in the frame.
  • A router is a three-layer device that routes packets based on their logical addresses (host-to-host addressing). A router normally connects LANs and WANs in the Internet and has a routing table that is used for making decisions about the route. 
  • A gateway is normally a computer that operates in all five layers of the Internet or seven layers of OSI model.
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