Table of Contents
1. Introduction 2. What is Microsoft Azure? 3. What is Cloud Computing? 4. Types of Cloud Computing 5. The AZ-900 Certification 6. Skills You Will Learn 7. How to Earn the Certification 8. Azure Service Models (IaaS, PaaS, SaaS) 9. Pricing, Security & Governance 10. Career Opportunities & Next StepsIntroduction
Cloud computing has transformed the way businesses build, manage, and deliver digital services. Instead of relying on expensive physical servers and complex IT infrastructure, organisations now use cloud platforms to store data, develop applications, analyse information, and deliver services to customers worldwide.
Among the leading cloud platforms available today, Microsoft Azure has become one of the most trusted solutions used by businesses, governments, educational institutions, and startups.
As cloud technology continues to grow, employers are actively searching for professionals who understand the fundamentals of cloud computing. Whether you are a university student, an IT beginner, a software developer, or someone planning to enter the technology industry, having cloud knowledge can significantly improve your career opportunities.
One of the best ways to begin this journey is by earning the Microsoft Azure Fundamentals Certification (AZ-900).
This globally recognised certification introduces learners to cloud concepts, Azure services, pricing models, security, governance, compliance, and cloud workloads without requiring previous cloud experience.
Unlike advanced Azure certifications that focus on administration or software development, Azure Fundamentals is designed specifically for beginners. It explains complex cloud concepts in a simple, practical manner, making it an excellent starting point for anyone interested in modern IT infrastructure.
What is Microsoft Azure?
Microsoft Azure is Microsoft's cloud computing platform that allows individuals and organisations to build, deploy, manage, and scale applications through Microsoft's global network of secure data centres.
Instead of purchasing expensive servers and networking equipment, businesses can rent computing resources through Azure whenever they need them.
Azure provides services such as:
- Virtual machines
- Cloud storage
- Artificial Intelligence
- Databases
- Networking
- Cybersecurity
- Machine Learning
- Internet of Things (IoT)
- Data Analytics
- Web Hosting
Today, millions of businesses around the world rely on Azure to run websites, mobile applications, enterprise software, and business operations securely and efficiently.
What is Cloud Computing?
Before understanding Azure, it's important to understand cloud computing.
Cloud computing means delivering computing services over the internet instead of using local computers or physical servers. Rather than installing powerful hardware in your office, cloud providers supply resources whenever they are needed.
"Imagine a university wants to launch an online learning portal for thousands of students. Purchasing physical servers would require significant investment and ongoing maintenance. Using Microsoft Azure, the university can simply rent cloud resources, pay only for what it uses, and increase or decrease capacity whenever required."
This flexibility makes cloud computing cost-effective and highly scalable.
Types of Cloud Computing
The Azure Fundamentals certification introduces three primary cloud models.
Public Cloud
In a public cloud, cloud resources are owned and managed by a cloud provider like Microsoft. Examples include Microsoft Azure, Microsoft 365 services, and Azure Virtual Machines. Public cloud services are affordable, scalable, and require minimal maintenance.
Private Cloud
A private cloud is built specifically for one organisation. It offers greater control, higher customisation, enhanced security, and dedicated infrastructure. Large organisations often choose private clouds when handling highly sensitive information.
Hybrid Cloud
Many organisations combine public and private cloud environments. This approach is called a Hybrid Cloud. It allows businesses to keep sensitive information on private servers while using Azure for public applications, balancing security with flexibility and reducing operational costs.
What is the Microsoft Azure Fundamentals Certification (AZ-900)?
The Microsoft Azure Fundamentals (AZ-900) certification is an entry-level certification designed by Microsoft.
Its purpose is to verify that candidates understand cloud concepts, Azure architecture, Azure services, Azure pricing, Azure management tools, security, privacy, governance, and compliance. It does not require coding experience or previous cloud knowledge, making it suitable for beginners.
Skills You Will Learn
During your preparation for the AZ-900 certification, you'll gain knowledge about several important topics:
Cloud Concepts
Understand the benefits of cloud computing, cloud service models, scalability, high availability, and reliability.
Core Azure Services
Learn about Virtual Machines, Storage, Networking, Databases, App Services, Containers, and Functions.
Azure Security
Discover concepts such as identity management, Microsoft Entra ID, firewalls, encryption, and network security.
How Can You Earn the Certification?
The process is straightforward. Here are the steps to success:
- Learn Azure Fundamentals: Study the official learning materials covering cloud concepts, services, security, pricing, and governance via Microsoft Learn.
- Practise Using Azure: Create a free Azure account and explore the Azure Portal. Try creating virtual machines, managing storage, or deploying web apps.
- Prepare for the AZ-900 Exam: Review modules carefully. Practice with mock exams and exercises.
- Schedule the Exam: Register for the exam through Microsoft's official certification system. It can be taken online or at an authorised testing centre.
- Pass the Exam: Upon success, you'll earn the Microsoft Certified: Azure Fundamentals certification, which you can add to your CV and LinkedIn profile.
Understanding Azure Cloud Service Models
One of the most important topics covered in the certification is understanding the three primary cloud service models (IaaS, PaaS, SaaS).
Infrastructure as a Service (IaaS)
IaaS provides virtual computing resources over the internet. Instead of purchasing physical servers, businesses rent virtual machines, storage, networking, and operating systems. You manage the OS, apps, and data, while Microsoft manages the physical hardware.
Platform as a Service (PaaS)
PaaS provides developers with a complete environment for building, testing, deploying, and managing applications. Microsoft manages the servers, storage, OS, and security updates, letting developers focus only on writing code (e.g., Azure App Service, Azure SQL Database).
Software as a Service (SaaS)
SaaS delivers complete software applications through the internet. Users simply sign in and begin using the software without installing anything (e.g., Microsoft 365, Teams).
Azure Pricing, Security & Governance
One of Azure's biggest advantages is its pay-as-you-go pricing model. Instead of purchasing expensive servers that may remain unused, businesses pay only for the cloud resources they consume. Azure also provides cost management tools to track spending, set budgets, and optimise cloud expenses.
Security is a top priority. Azure features include Microsoft Entra ID (for identity and access management), Multi-Factor Authentication (MFA), encryption, and advanced network security tools to safeguard systems.
For governance and compliance, tools like Role-Based Access Control (RBAC), Azure Policy, and Microsoft Defender for Cloud help organisations meet regulatory requirements and protect sensitive information.
Career Opportunities & Next Steps
Earning the AZ-900 certification can open doors to many entry-level technology careers, including Cloud Support Associate, Azure Administrator Trainee, Help Desk Technician, and Junior Cloud Engineer.
Advanced Microsoft Azure Certifications
After completing Azure Fundamentals, learners often continue with more specialised Microsoft certifications:
- Azure Administrator Associate (AZ-104): Focuses on managing resources, networking, storage, and VMs.
- Azure Developer Associate (AZ-204): Designed for software developers building cloud applications.
- Azure Security Engineer Associate (AZ-500): Covers cloud security, threat protection, and compliance.
- Azure Solutions Architect Expert (AZ-305): Teaches how to design secure, scalable cloud solutions.
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