Welcome to Iwalen.com! This blog is an independent educational platform where I provide hands-on tutorials, certification prep guides, and free practice tests with interactive quiz questions for developers, cloud engineers, and IT professionals.
Whether you are looking for a reliable free practice test for your Microsoft Azure or AWS certification, studying backend Web APIs with .NET C#, or automating workflows with the Power Platform, you will find clear, practical explanations and realistic exam-style quiz questions here.
What We Cover
Here is what you will find on Iwalen.com:
- Free Practice Tests & Quiz Questions: Scenario-based, realistic practice tests and quiz questions for top IT certifications (like Azure AZ-900, AZ-104, and AWS Cloud Practitioner) with detailed explanations for every answer—100% free.
- Cloud Computing (Azure & AWS): In-depth exam preparation guides, architecture best practices, cost optimization tips, and hands-on cloud labs.
- Backend Development (.NET & C#): Clean Architecture principles, building secure RESTful APIs with ASP.NET Core, database tuning with Entity Framework Core, and modern C# design patterns.
- Microsoft Power Platform: Step-by-step guides on building custom business apps with Power Apps and automating daily repetitive workflows with Power Automate.
- Microsoft Dynamics 365: Real-world developer tutorials covering configuration, custom plugins, and enterprise integration patterns for CRM and ERP systems.
- Applied Artificial Intelligence (AI): Hands-on ways to integrate Azure AI services, OpenAI models, and LLMs into modern software without unnecessary academic complexity.
Meet the Founder & Lead Instructor
Mohammed Kadi
Hi, I am Mohammed Kadi. I graduated as a Software Engineer from École des Hautes Études d'Ingénierie. I spend most of my days building backend web services, configuring cloud infrastructure, and writing code.
I created Iwalen.com because I enjoy breaking down hard technical topics into simple, step-by-step guides. In addition to technical tutorials, I design and share free practice tests and quiz questions based on real-world scenarios to help fellow engineers prepare for their certifications with confidence.
Verified Professional Certifications
To keep everything transparent and reliable, here are my verified technical credentials:
| Certification Title | Issuing Organization | Official Credential Verification |
|---|---|---|
| Microsoft Certified: Azure Administrator Associate (AZ-104) | Microsoft | Verify Microsoft Credential |
| Microsoft Certified: Azure Fundamentals (AZ-900) | Microsoft | Verify Microsoft Credential |
| Back End Development and APIs | freeCodeCamp | Verify freeCodeCamp Certificate |
Why Learn With Iwalen?
There are thousands of tech sites online, but here is what makes learning on Iwalen.com different:
- High-Yield Free Practice Tests: Access realistic exam quiz questions and full mock tests at zero cost, complete with detailed breakdowns for each answer option.
- Written by an Active Engineer: Every tutorial and practice question is crafted by someone who writes code and deploys cloud solutions regularly.
- Focus on Core Logic: We explain why a specific answer is correct and why other options are wrong, rather than encouraging rote memorization.
- Modern Enterprise Stack: Direct focus on high-demand skills and badges: Azure, AWS, .NET, Power Platform, and AI.
Legal Disclaimer
Frequently Asked Questions
Are the practice tests and quiz questions on Iwalen.com really free?
Yes, 100%. Every practice test, certification quiz question, and exam preparation guide on Iwalen.com is completely free to access. You can test your knowledge as many times as you need without any paywalls.
What certification practice tests can I find here?
We provide comprehensive practice questions and mock quizzes primarily for Microsoft Azure (such as AZ-900 and AZ-104), AWS Cloud certifications, and developer exams covering modern backend and cloud architectures.
Who creates and reviews the quiz questions?
All practice questions, tutorials, and mock exams are curated and reviewed by Mohammed Kadi, a software engineer certified in Microsoft Azure (AZ-104, AZ-900) and backend API engineering.
Are these real exam dumps?
No. We strictly do not publish or support exam dumps. Our free practice tests consist of original scenario-based quiz questions designed to help you understand the core mechanics and successfully pass your certification through genuine knowledge.