Table of Contents
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.