What is a Bridge in Computer Networks and how does it differ from a Switch?
This question defines network bridges and contrasts them with modern switches. It tests understanding of Layer 2 devices.
Why Interviewers Ask This
Bridges were predecessors to switches, and understanding their evolution shows deep networking knowledge. Interviewers ask this to see if you grasp the principles of segmentation and collision domains. It highlights your ability to analyze legacy and modern architectures.
How to Answer This Question
Define a bridge as a device connecting network segments. Explain MAC address learning. Contrast with switches which are multi-port bridges with hardware forwarding. Mention collision domains and broadcast domains.
Key Points to Cover
- MAC address filtering
- Segmentation
- Switch evolution
- Collision domains
Sample Answer
A bridge connects two network segments and filters traffic based on MAC addresses to reduce collisions. It operates at the Data Link layer. A switch is essentially a multi-port bridge with dedicated bandwidth per port an…
Common Mistakes to Avoid
- Thinking they are identical
- Ignoring hardware differences
- Confusing with routers
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