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Common Technical Interview Questions and Answers Update on March 30, 2020

Question 121: Which Ethernet switching method would you use if low latency is of utmost importance?
A. First-in-first-out
B. Store-and-forward
C. Cut-through
D. Cisco Express Forwarding (CEF)
E. Queuing
Correct Answer: C. Cut-through
Explanation: Cut-through provides the lowest-latency switching available. It forwards Ethernet packets faster than any other method, because it only waits to read the destination MAC address before forwarding.

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