☁️ Cloud Fundamentals

This repo contains structured learning notes on cloud computing, covering the core concepts, storage, compute, networking, real-world use cases, and interview preparation.

Each module is organized with detailed explanations, analogies, and examples to make cloud concepts easy to understand and remember.

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📚 Modules

1️⃣ Module 1: Cloud Basics – What, Why, and How

• Introduction to cloud computing
• Importance of cloud in modern IT
• Cloud deployment models: Public, Private, Hybrid, Multi-Cloud
• Service models: IaaS, PaaS, SaaS
• Real-world analogies for easy understanding

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2️⃣ Module 2: Core Cloud Concepts – Virtualization, Networking, and Cloud Infrastructure

• Virtualization: VMs, containers, serverless
• Cloud networking: VPC, subnets, gateways, security groups, NACLs
• Compute services: EC2, containers, serverless
• Storage: EBS, S3, EFS
• Scaling, load balancing, and monitoring
• Real-world examples like Netflix, Flipkart, and Swiggy

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3️⃣ Module 3: Cloud Storage & Compute Services – S3, EBS, EC2

• Amazon S3: Object storage, use cases, analogies
• Amazon EBS: Block storage, features, real-world usage
• Amazon EC2: Virtual machines, instance types, examples
• Comparison table of S3, EBS, and EC2
• Practical scenarios in streaming, e-commerce

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4️⃣ Module 4: Real-World Cloud Use Cases & Interview Questions

• How companies like Netflix, Flipkart, Swiggy, and banks use cloud
• Scenario-based examples for scaling, storage, compute, and networking
• Frequently asked cloud interview questions

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🔹 How to Use This Repository

1. Start from Module 1 to understand the basics.
2. Progress to Module 2 for core concepts and infrastructure.
3. Explore Module 3 for detailed storage and compute knowledge.
4. Review Module 4 for real-world cases and interview preparation.
5. Use analogies and examples to quickly recall concepts during interviews.

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