System design interviews are notoriously open-ended. Unlike LeetCode-style coding challenges, there is no single "right" answer. Instead, interviewers evaluate your ability to handle ambiguity, scale infrastructure, and make informed trade-offs. This article explores the core frameworks presented in the book and how to use them effectively for your upcoming technical interviews. The Core Framework: PEDALS
praise it for being easier to understand than competitors, specifically highlighting the clarity of the PEDALS framework. : Some reviewers from Ubuy Malaysia The System Design Interview 2nd Edition Lewis Lin Pdf