Interview Practice

How to Answer a System Design Interview Question

Every lesson before this one built vocabulary — scalability, consistency, caching, sharding, the tradeoffs between them. This lesson is different: it's the framework for actually using that vocabulary under interview conditions, in the right order, without freezing up in front of a blank whiteboard. Every problem in the rest of this module follows the exact structure below, so understanding it once here pays off across all of them.