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System Design

Day 3 of 140 · Week 1: Arrays, C# and Fundamentals · Foundations

System Design Fundamentals

System design rounds reward a structured approach: clarify requirements, estimate, sketch, then deep dive. Learn the building blocks (DNS, HTTP, scaling, latency numbers) so you can reason out loud.

0/4 tasks · ~2.5h

Tasks

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  • system design interview framework step by step
  • DNS resolution explained
  • latency numbers every programmer should know