Course Information
Course Overview
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.
Course Content
- 1 section(s)
- Section 1 Practice Tests
What You’ll Learn
- Understand System Basics: Learn the "ABCD" of design - how APIs work, why speed (Latency) matters, and how to keep systems running 24/7., Make Smarter Choices: Stop guessing and start deciding- learn when to use SQL vs. NoSQL and how to balance speed with data accuracy using the CAP Theorem., Learn to Handle High Traffic: Master the "scaling" secrets used by big apps to handle millions of users using Load Balancers, Caching, and Database Sharding., Real-World Failures: Learn how to protect your app from crashing using "Safety Nets" like Circuit Breakers and Rate Limiters for common interview scenarios.
Skills covered in this course
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SSuraj Raj
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KK Karen
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