What is the use of bridge in network? 

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OSSC Odisha CGL (Specialist) Official Paper (Held On 28th May 2023)
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  1. To connect LANS
  2. To control network speed
  3. To separate LANS
  4. All of these

Answer (Detailed Solution Below)

Option 1 : To connect LANS
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The correct answer is To connect LANS.

Key Points

  • To connect LANs: This is the primary function of a bridge. It operates at the Data Link layer (Layer 2) of the OSI model and forwards data packets between different LAN segments based on their MAC addresses. It acts as a transparent bridge, making the connected LANs appear as a single, larger network.

Additional Information

  • To control network speed: Although bridges can indirectly affect network speed by reducing congestion on individual LAN segments, their primary purpose is not speed control. Network switches and routers offer more granular control over network speed optimization than bridges.
  • To separate LANs: This is not a typical function of a bridge. While bridges can segment large networks into smaller collision domains for efficiency, they still connect those segments and allow communication between them. Routers are used to separate networks and control traffic flow between them, while bridges primarily focus on connecting them.
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