.NET Foundations (4012)
The Microsoft .NET Foundations (4012) course delivers a comprehensive introduction to .NET 7 and Visual Studio 2022 for experienced C# developers, covering core concepts like the Common Language Runtime, class libraries, metadata, reflection, I/O, serialization, delegates, events, and the Task Parallel Library. Designed for application developers, software engineers, and technical leads, it solves the challenge of mastering modern, cross-platform .NET development in a single, hands-on curriculum. Over 80% of enterprise applications now rely on .NET, making these skills critical for career advancement.
This course prepares learners for Microsoft’s modern .NET development path, building the foundation needed for advanced certifications. Koenig Solutions delivers official vendor-authorized courseware with 30-day lab access, ensuring hands-on mastery. Graduates gain the confidence to design scalable, high-performance .NET applications in real-world environments.
Training Formats & Pricing
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Course Overview
The Microsoft .NET Foundations (4012) course is a two-day, hands-on training program designed for developers with prior C# experience who want to deepen their understanding of the .NET ecosystem. While not directly tied to a certification exam, this course lays the foundational knowledge required for advanced .NET development and prepares learners for broader Microsoft certification paths such as those aligned with .NET 7 and cloud development. It is ideal for Application Developers, Software Engineers, and Back-end Developers seeking to master modern .NET architecture. According to Microsoft, over 5 million developers worldwide use .NET for building scalable, high-performance applications, underscoring its widespread adoption across enterprises and cloud environments.
This course covers core .NET technologies including .NET 7, Visual Studio 2022, NuGet Packages, the .NET Standard, metadata and reflection, I/O and serialization, delegates and events, and the Task Parallel Library (TPL). Students engage in practical, instructor-led labs using the Visual Studio 2022 IDE to build class libraries, configure package dependencies via NuGet, implement XML serialization, and develop multi-threaded applications using TPL. A key hands-on project involves creating a console application that leverages reflection to dynamically load types and uses asynchronous programming to manage parallel tasks, simulating real-world scenarios in enterprise software development. All labs are conducted in a local or cloud-hosted Visual Studio environment, ensuring familiarity with industry-standard tooling.
By mastering the concepts in the Microsoft .NET Foundations (4012) course, developers position themselves for roles requiring modern .NET expertise, with average .NET developer salaries in the U.S. ranging from $85,000 to $120,000 annually, according to industry labor data. The course serves as a critical stepping stone toward advanced Microsoft certifications and cloud-focused credentials. Koenig Solutions enhances this learning with Guaranteed-to-Run batches and access to official Microsoft courseware, ensuring a reliable and authentic training experience. Upon completion, developers are equipped to design robust, maintainable .NET applications and advance into senior development or architecture roles in enterprise IT environments.
What You'll Learn
Skills You'll Gain
Prerequisites
- Experience writing fundamental C# code, including using Console.WriteLine() for output in .NET applications
- Ability to identify and correct minor syntax errors in C# programs within the Microsoft .NET framework
- Familiarity with core programming concepts such as variables, loops, and conditionals essential for .NET development
- Basic understanding of object-oriented programming principles as applied in .NET software
- Familiarity with using an Integrated Development Environment (IDE) like Visual Studio for .NET coding
- Understanding of key components of the .NET ecosystem, including the compiler, runtime, and libraries, as covered in the Microsoft .NET Foundations (4012) course
Certification Exam
Everything you need to know about the .NET Foundations (4012) certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Hands-On Lab Environment (30 days)
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Hands-On Lab
Live Lab Sandbox
Real EnvironmentPractice in a real lab environment with full access to the tools and services covered in the course.
30+ Guided Labs
30+Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.
Lab Manual Included
Full GuideComprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.
Post-Training Access
30 Days30 days of extended lab access after your training ends so you can continue practicing.
Career Outcomes
of .NET Foundations (4012) certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the .NET Foundations (4012) certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Certified .NET Developer
- Junior Software Engineer
- C# Developer
- Software Developer
- Application Developer
- Backend Developer
Companies Hiring
and 5,000+ organizations worldwide seeking .NET Foundations (4012) certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the .NET Foundations (4012) training course
Is the certification exam included in the .NET Foundations (4012) course fee, and what is the exam cost if separate?
What training formats are available for .NET Foundations (4012), and is Guaranteed-to-Run scheduling offered?
How long is lab access provided, and what type of environment is used for .NET Foundations (4012) labs?
What is the rescheduling and cancellation policy for the .NET Foundations (4012) course?
What is the exam format for .NET Foundations (4012), including number of questions, types, passing score, and time limit?
How long is the .NET Foundations (4012) certification valid, and what is the renewal process and cost?
What post-training support does Koenig provide after completing the .NET Foundations (4012) course?
What are the prerequisites or prior experience needed for the .NET Foundations (4012) course?
What is the average salary impact or career benefit after completing the .NET Foundations (4012) certification?
How does instructor-led training for .NET Foundations (4012) compare to self-study in terms of effectiveness and pass rates?
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