☁️ Fundamentals of Azure

Microsoft Azure Essentials – Second Edition

🔰 1️⃣ What is Microsoft Azure?

Microsoft Azure is a cloud computing platform that provides services for:

• Computing
• Storage
• Networking
• Databases
• Security
• AI & DevOps

Azure allows you to build, deploy, and manage applications through Microsoft-managed data centers worldwide.

☁️ 2️⃣ Cloud Computing Basics

Cloud Service Models:

ModelMeaningExampleIaaSInfrastructure as a ServiceAzure VMPaaSPlatform as a ServiceAzure App ServiceSaaSSoftware as a ServiceOffice 365

Cloud Deployment Models:

• Public Cloud – Azure
• Private Cloud – On-premise
• Hybrid Cloud – Azure + On-prem

🌍 3️⃣ Azure Global Infrastructure

• Regions – Geographic areas (East US, West Europe)
• Availability Zones – Data centers within a region
• Region Pairs – Disaster recovery support

📌 High Availability + Fault Tolerance

🖥️ 4️⃣ Core Azure Services

🔹 Compute

• Azure Virtual Machines (VM)
• Azure App Service
• Azure Functions (Serverless)
• Azure Kubernetes Service (AKS)

🔹 Storage

• Blob Storage – Unstructured data
• File Storage
• Queue Storage
• Disk Storage

🔹 Networking

• Virtual Network (VNet)
• Load Balancer
• Application Gateway
• VPN Gateway
• Azure DNS

🔹 Databases

• Azure SQL Database
• Cosmos DB
• MySQL / PostgreSQL
• SQL Managed Instance

🔐 5️⃣ Security & Identity

• Azure Active Directory (Azure AD)
• Role-Based Access Control (RBAC)
• Multi-Factor Authentication (MFA)
• Azure Defender
• Azure Key Vault

📊 6️⃣ Management & Monitoring

• Azure Portal
• Azure CLI
• Azure PowerShell
• Azure Monitor
• Azure Advisor

💰 7️⃣ Azure Pricing & Cost Management

• Pay-as-you-go
• Reserved Instances
• Azure Pricing Calculator
• Cost Management + Billing

📌 Only pay for what you use

🛠️ 8️⃣ Azure DevOps & Automation

• Azure DevOps
• CI/CD Pipelines
• ARM Templates
• Infrastructure as Code (IaC)

🧠 9️⃣ Reliability & Governance

• High Availability
• Disaster Recovery
• Backup & Restore
• Azure Policy
• Azure Blueprints

🎓 🔟 Azure Fundamentals Certification (AZ-900)

This book strongly supports AZ-900 exam.

Exam Topics:

• Cloud concepts
• Core Azure services
• Security & compliance
• Pricing & support

📌 Who Should Study This?

✅ Beginners in cloud

✅ CCNA / Networking students

✅ System administrators

✅ DevOps beginners

✅ AZ-900 candidates

🚀 Next Steps After This Book

• AZ-900 Certification
• Azure Administrator (AZ-104)
• Azure DevOps Engineer (AZ-400)

If you want, I can provide:

• 📄 AZ-900 exam notes (PDF)
• 🧪 Hands-on Azure labs
• 🧠 MCQ questions with answers
• 🗺️ Azure learning roadmap