A design is read-heavy with large traffic spikes. Which component is most likely to become important early?
Practice this question from Quiz: System Design Round Framework, with options and an explanation.
Question
A design is read-heavy with large traffic spikes. Which component is most likely to become important early?
Option A — Correct answer
A CDN or cache layer
Option B
A dead-letter queue
Option C
A cron scheduler
Option D
A feature-flag service
Explanation
A cache is the first lever for read-heavy systems.