LLD - Design — Hotel Booking SystemWhat is the primary benefit of using an inverted index in a search and filter system?AIt compresses data to save storage spaceBIt allows fast lookup of documents containing specific termsCIt stores data in a sorted order for easy filteringDIt encrypts search queries for securityCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand inverted index purposeAn inverted index maps terms to the documents that contain them, enabling quick search.Step 2: Compare options to inverted index functionOnly fast lookup of documents containing terms matches the inverted index's main use.Final Answer:It allows fast lookup of documents containing specific terms -> Option BQuick Check:Inverted index benefit = fast lookup [OK]Quick Trick: Inverted index = fast term-to-document lookup [OK]Common Mistakes:MISTAKESConfusing inverted index with data compressionThinking inverted index sorts dataAssuming inverted index encrypts queries
Master "Design — Hotel Booking System" in LLD9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
More LLD Quizzes Advanced LLD Concepts - Event-driven design - Quiz 10hard Advanced LLD Concepts - Domain-Driven Design basics - Quiz 14medium Advanced LLD Concepts - Immutability for safety - Quiz 14medium Design — Food Delivery System - Delivery agent assignment - Quiz 13medium Design — Food Delivery System - Delivery agent assignment - Quiz 7medium Design — Online Shopping Cart - Inventory management - Quiz 10hard Design — Online Shopping Cart - Notification on state change - Quiz 13medium Design — Online Shopping Cart - Order state machine - Quiz 2easy Design — Online Shopping Cart - Pricing strategy (discounts, coupons) - Quiz 15hard Design — Splitwise (Expense Sharing) - Why Splitwise tests financial logic - Quiz 9hard