Common Interview Questions and Answers
Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.
149.3K views•5mo ago
Design a CDN Edge Caching Strategy
System Design
Asked at Amazon
Medium
126.9K Users PracticedPractice with This Question
82.3K views•5mo ago
Discuss Columnar vs. Row-Oriented Databases
System Design
Asked at Oracle
Easy
70K Users PracticedPractice with This Question
74.1K views•5mo ago
Design a Global Authentication Token Service
System Design
Asked at Airbnb
Medium
62.9K Users PracticedPractice with This Question
103.3K views•5mo ago
Design a Centralized Configuration Management System
System Design
Asked at Tesla
Medium
87.8K Users PracticedPractice with This Question
144.3K views•5mo ago
Design a System to Handle Retries and Dead Letter Queues (DLQ)
System Design
Asked at Cisco
Medium
122.7K Users PracticedPractice with This Question
131.2K views•5mo ago
Design a Real-Time Commenting System
System Design
Asked at Meta
Medium
111.5K Users PracticedPractice with This Question
73.1K views•5mo ago
Design a Distributed File Locking System
System Design
Asked at Google
Hard
62.1K Users PracticedPractice with This Question
81.6K views•5mo ago
Design a Cloud Storage Service (Dropbox/Google Drive)
System Design
Asked at Microsoft
Hard
69.4K Users PracticedPractice with This Question
38.9K views•5mo ago
Design a Server-Side Analytics Dashboard
System Design
Asked at Salesforce
Medium
33.1K Users PracticedPractice with This Question
59.5K views•5mo ago
Design a System for Real-Time Facial Recognition
System Design
Asked at Apple
Hard
50.6K Users PracticedPractice with This Question