System Design Interview Preparation: February 2026

System Design 150+ Interview Questions & Scenarios | February 2026 Edition

February 2026 Edition | System Design for Everyone

This course is designed for everyone - whether you are a working developer or someone looking to switch into software development.

Forget long, boring videos. Learn through high-quality MCQs that explain exactly how systems work and how to clear your dream company's interview.

What We Cover

1. The Basics & Trade-offs

• CAP Theorem: How to choose between speed and data accuracy.

• Scaling: When to buy a bigger server vs. adding more servers.

• Performance: Understanding Latency, Throughput, and the "Five Nines" (SLA/SLO).

2. The Building Blocks

• Load Balancing: How to distribute traffic so the app never crashes.

• Caching: Using "smart memory" to make apps feel lightning fast.

• Databases: How to split and store massive data (Sharding & Replication).

• Proxies: Keeping your backend safe and organized.

3. Communication & Connection

• Protocols: Comparing REST, gRPC, and GraphQL in simple terms.

• Queues: How services talk to each other using Kafka and RabbitMQ.

• Microservices: The right way to break down a giant application.

4. Advanced Reliability

• NoSQL: When to use MongoDB, Redis, or Cassandra.

• Safety Nets: Using Circuit Breakers and Rate Limiters to stop failures.

• Big Data: Handling real-time vs. old data (Batch and Stream).

  
  

Why Choose This Course?

• 150+ Practice MCQs: Each question comes with a simple "Why" and "Why not" explanation.

• Latest 2026 Content: Includes new topics like AI scaling and cloud patterns.

• Zero Jargon: Everything is explained in plain English that is easy to follow.