Discussion
Layer 2 switching provides which of the following?
1.Hardware-based bridging (ASIC)
2.Wire speed
3.Low latency
4.Low cost
Answer: D
Correct answer: All of the above
All four are genuine properties of layer 2 switching. Forwarding decisions are made in an ASIC rather than in software, so they run at wire speed with latency measured in microseconds, and because the function is simple the silicon is cheap. That combination is why switching displaced software bridging and why switch ports cost a fraction of router ports.
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