Why would a cache help a URL shortener?
Practice this question from Quiz: Design a URL Shortener, with options and an explanation.
Question
Why would a cache help a URL shortener?
Option A — Correct answer
Hot links can be served quickly without hitting the primary store every time
Option B
It guarantees there will never be broken links
Option C
It replaces the need for code generation
Option D
It prevents every kind of abuse automatically