.Net Framework ArchitectureWhat is .Net framework?When was the .net announced?When was the first version of .net released?What platform does the .net framework runs on?What .Net represents?Different types of DOTNET Frameworks?What is not .NET?What is exactly .NET?What are the different versions of .Net framework?What is CLR (Common language runtime)?What is CTS?What is CLS?What is Managed and unmanaged Code?What is Intermediate Language or MSIL?.NET CoreWhat is .NET Core, and what are its key features?What are the advantages of using .NET Core over the traditional .NET Framework?Explain the concept of cross-platform development in .NET Core.What is ASP.NET Core, and how is it different from ASP.NET?How does Dependency Injection work in .NET Core, and why is it important?What are Middleware and how are they used in ASP.NET Core?What is the role of the .NET CLI (Command-Line Interface) in .NET Core development?Explain the use of the appsettings.json file in ASP.NET Core.What are Tag Helpers in ASP.NET Core MVC?How does .NET Core handle configuration management?What is Entity Framework Core, and how is it different from Entity Framework?Discuss the differences between .NET Core, .NET Framework, and .NET Standard.What is the role of Kestrel in ASP.NET Core?Explain the concept of Razor Pages in ASP.NET Core.How do you handle authentication and authorization in ASP.NET Core?What are the different types of caching in ASP.NET Core?What is the purpose of the Startup class in ASP.NET Core?Explain the importance of the Program.cs file in a .NET Core applicationWhat are the benefits of using the .NET Core CLI (dotnet) for project management?How can you deploy a .NET Core application on different platforms?Discuss the role of Controllers and Views in ASP.NET Core MVC.What are the different types of hosting models in ASP.NET Core?How do you manage application logging in ASP.NET Core?What is the purpose of the app.UseExceptionHandler middleware in ASP.NET Core?How does .NET Core handle Dependency Injection in unit testing?What is the role of the services.Add... methods in ConfigureServices method in Startup.cs?Explain the concept of Health Checks in ASP.NET Core.What are the benefits of using the MVC architectural pattern in ASP.NET Core?How do you handle localization and globalization in ASP.NET Core?How does Dependency Injection (DI) enhance the maintainability and testability of .NET Core applications?Explain the concept of Razor Pages and how they fit into the architectural design of ASP.NET Core applications.What are the architectural differences between monolithic and microservices-based applications, and how does .NET Core support both approaches?
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What are the different versions of .Net framework?

Version

Release Date

End of support

 

.NET 1.0

Feb 13, 2002

Jul 07,2009

 For windows 98, windows ME, windows NT 4.0, windows 2000, windows XP.
CLR Version: 1.0
IDE Released: visual studio .Net

Features:
-Introduced CLR 1.0
-Usage of DLL class libraries
-Support for object oriented web app development

.NET 1.1

Apr 03, 2003

Oct 08, 2013

CLR Version: 1.1

IDE Released: visual studio .Net 2003

Features:

· Enhanced features with ADO.Net and Asp.Net
· Security enhancement with secure coding guidelines
· Support for Ipv6
· Built-in support for databases and ODBC

.NET 2.0

Jan 22, 2006

Jul 12, 2011

CLR Version: 2.0

IDE Released: visual studio .Net 2005

Features:

·  Enhancement to ASP.Net and ADO.Net
·  Authenticated stream
·  IO enhancement
·  XML support enhancement
·  Remoting
·  FTP Support
·  Generics and Generics collections
·  Serialization
·  Programmatic control of Caching
·  Event log enhancement

.NET 3.0

Nov 21, 2006

Jul 12, 2011

CLR Version: 2.0

IDE Released: visual studio .Net 2005

Features:

·  WPF (Windows presentation foundation)
·  WCF (Windows communication foundation)
·  WWF (Windows workflow foundation)
·  Windows CardSpace
Other features includes
·  Implicit type local variables
·  Object and collection initializers
·  Extension methods
·  Implicit typed array
·  Lambda Expressions
·  Implicit Types
·  Auto-Implemented properties

.NET 3.5 SP1

Nov 21, 2007

Oct 10, 2028

CLR Version: 2.0

IDE Released: visual studio .Net 2008

Features:

·  .NET ajax enabled website
·  Thread Pool performance enhancement
·  Latency mode in garbage collection
·  Time Zone info
·  Cryptography enhancement
·  Enhancement in socket programming
·  Peer-to-peer networking
·  Web service interoperability

.NET 4.0

Apr 12, 2010

Jan 12, 2016

CLR Version: 4.0

IDE Released: visual studio .Net 2010

Features:

·  Dynamic language runtime
·  Expended base class
·  Parallel computing
·  Managed extensibility framework
·  Covariance and contra-variance
·  BigIntegers and complex numbers

.NET 4.5

Aug 15, 2012

Jan 12, 2016

CLR Version: 4.0

IDE Released: visual studio .Net 2012

Features:

· Enhanced CLR 4.0
· Support for windows store (metro) application development
· Built-in support to async
· Enhanced WPF, WF, WWF
· Native support for .Net compression
· Net support enhanced

.NET 4.5.1

Oct 17, 2013

Jan 12, 2016

·  64-bit edit and continue support in visual studio 2013
·  Possibility to handle return value while debugging
·  Async debugging enhancement
·  ADO.net connection resiliency
·  ASP.net application suspension
·  On demand large object heap compaction
·  Multi-core JIT improvements

.NET 4.5.2

May 05, 2014

Apr 26, 2022

· Enhancement for high DPI scenarios
· Expanded resizing Windows forms controls
· New workflow features

.NET 4.6

Jul 20, 2015

Apr 26, 2022

Windows vista s2, windows 8, windows 8.1,  windows server 2012, windows server 2012 R2

CLR Version: 4.0

IDE Released: visual studio .Net 2015

Features:

·  Introduced JIT compiler called RyuJIT
·  Supports code page encodings
·  Includes open source .Net Framework packages
·  Event-tracking enhancement
·  HTTP/2 support

.NET 4.6.1

Nov 30, 2015

 

·  Native image generator (NGEN) PDBs
·  Spell checking development in WPF
·  Support for X509 support covering ECDSA

.NET 4.6.2

Aug 02, 2016

 

· Element initializers
· Cryptography enhancements
·  Indexed members enhancements

.NET 4.7

May 02, 2017

Apr 26, 2022

·  Improved TLS (transport layered security)
·  Enhanced cryptography
·  More features for touch and style in WPF
·  Object cache extensibility
·  High DPI support
·  New implementation for WPF printing APIs

.NET 4.7.1

Oct 17, 2017

 

·  Performance improvement in garbage collection
·  Support for portable PDBs
·  Support for .Net standard 2.0
·  Real-time feature detection
·  Support for read-only references

.NET 4.7.2

Aug 30, 2018

 

·  New overloads for DSA.Create and RSA.Create
·  Ephemeral keys support
·  Support for same-site cookies
·  HttpClientHandler properties implementations

.NET 4.8

Apr 18, 2019

 

·  JIT improvements
·  Updated Zlib
·  Reducing FIPS impact on cryptography
·  Antimalware scanning for all assemblies
·  Accessibility enhancements

Please note that the end of support date is when Microsoft ends regular security updates and technical support for that version. For ongoing support, Microsoft has been focusing on .NET Core and later .NET 5 and .NET 6, which are part of the newer unified .NET platform. These newer versions offer the latest features, performance improvements, and ongoing support from Microsoft, making them the recommended choice for new projects and future developments.

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