System Design
In-Class
Class 8 In-Class: Partitioning, Replication, Failures & CAP Trade-offs
Prepflix Blog — Free DSA, System Design & Interview Prep Articles
System Design
Pre-Class
Class 8 Pre-Class: Distributed Systems — Locks, Leader Election & Raft Consensus
System Design
Post-Class
Class 7 Post-Class: Queues Quiz (30 Questions) + Design a Notification System
System Design
In-Class
Class 7 In-Class: Queues, Pub/Sub, Retries, DLQ & Event-Driven Architecture
System Design
Pre-Class
Class 7 Pre-Class: Async Messaging & Queues — Kafka, Pub/Sub & Delivery Guarantees
System Design
Post-Class
Class 6 Post-Class: Caching Quiz + Design Instagram Feed Cache
System Design
In-Class
Class 6 In-Class: Cache Patterns, Invalidation, Hot Key Problem & CDN
System Design
Pre-Class
Class 6 Pre-Class: Caching — Cache Patterns, Eviction Policies & CDN
System Design
Post-Class
Class 4 Post-Class: Design the Complete API for a URL Shortener
System Design
Post-Class
Class 5 Post-Class: Database Quiz (30 Questions) + E-Commerce DB Design Exercise
System Design
In-Class
Class 5 In-Class: DB Trade-offs, Read/Write Architectures & Partitioning
System Design
Pre-Class
Class 5 Pre-Class: Data Storage — SQL vs NoSQL, Indexing, Replication & Sharding
System Design
In-Class
Class 4 In-Class: LB Algorithms, Anycast Routing, Idempotency & API Data Formats
System Design
Pre-Class
Class 4 Pre-Class: Load Balancing & API Fundamentals — REST, GraphQL & gRPC
System Design
Pre-Class
Class 3 Pre-Class: Networking Fundamentals — OSI, IP, TCP vs UDP & HTTP/HTTPS
System Design
In-Class
Class 3 In-Class: DNS Deep Dive, Proxy vs Reverse Proxy & Full Request Lifecycle
System Design
Post-Class
Class 3 Post-Class: Complete Networking Quiz (30 Questions) + Request Lifecycle Exercise
System Design
Pre-Class
Class 2 Pre-Class: Core Concepts — Scalability, Availability, Reliability & SPOF
System Design
In-Class
Class 2 In-Class: Latency, Throughput, Consistent Hashing & CAP Theorem
System Design
Post-Class
Class 2 Post-Class: Consistency Models Deep Dive + 30-Question Quiz
System Design
Pre-Class
Class 1 Pre-Class: System Design Fundamentals — Top 30 Concepts
System Design
In-Class
Class 1 In-Class: System Design Foundations — Interviews, Requirements & Trade-offs
System Design
Post-Class
Class 1 Post-Class: WhatsApp Case Study — FR/NFR, Scalability & Reliability
Dynamic Programming
LeetCode 198: House Robber Explained (Step-by-Step DP)
