Medium-Easy Understand Back-of-Envelope Estimation Multiple Choice

What is the critical difference between designing for average QPS versus peak QPS?

Understand — Tests comprehension and ability to explain concepts.

Answer Options

A No difference — they are usually the same

B Servers must handle peak load; designing for average causes outages during traffic spikes

C Peak is only relevant for financial systems

D Average QPS is always higher than peak QPS

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This question is from the Back-of-Envelope Estimation topic (System Design).

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