LLD - Design — Online Shopping CartIn an inventory system, what is the main purpose of a reorder threshold?ATo set the maximum stock limitBTo trigger restocking when inventory is lowCTo calculate total salesDTo track supplier detailsCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand reorder threshold meaningIt is a predefined stock level that signals when to order more items.Step 2: Match purpose to optionsTriggering restocking when inventory is low matches the reorder threshold's role.Final Answer:To trigger restocking when inventory is low -> Option BQuick Check:Reorder threshold = Restocking trigger [OK]Quick Trick: Reorder threshold alerts when stock is low to reorder [OK]Common Mistakes:Confusing reorder threshold with maximum stockThinking it calculates sales
Master "Design — Online Shopping Cart" in LLD9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
More LLD Quizzes Advanced LLD Concepts - Clean Architecture layers - Quiz 11easy Advanced LLD Concepts - Why advanced concepts handle production systems - Quiz 12easy Design — Chess Game - Board and piece hierarchy - Quiz 2easy Design — Food Delivery System - Rating and review system - Quiz 9hard Design — Hotel Booking System - Booking conflict resolution - Quiz 15hard Design — Hotel Booking System - Hotel, Room, Booking classes - Quiz 10hard Design — Hotel Booking System - Cancellation and refund policy - Quiz 4medium Design — Hotel Booking System - Search and filter design - Quiz 14medium Design — Splitwise (Expense Sharing) - User, Group, Expense classes - Quiz 9hard Design — Splitwise (Expense Sharing) - Balance calculation algorithm - Quiz 15hard