Asp Net Interview Questions For 3 Years Experience
Top 10 ASP.NET Interview Questions for Candidates with 3 Years Experience
Asp Net Interview Questions For 3 Years Experience
Asp Net is a popular web development framework used for creating dynamic web applications. If you have 3 years of experience in Asp Net, you may come across various interview questions related to the framework. These questions may cover topics such as Asp Net architecture, MVC, ADO.Net, Web API, security, and performance optimization. Employers would also want to know about your experience working with databases, front-end technologies, and troubleshooting skills. Additionally, they may ask about your experience in using third-party libraries, working with Agile methodologies, and ability to write efficient and clean code. It is important to prepare yourself with knowledge and examples to confidently answer these questions and showcase your expertise in Asp Net.
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1 - What is ASP.NET?
ASP.NET is a web application development framework designed and developed by Microsoft. It is used to build dynamic web pages and web applications, allowing developers to write code in any .NET programming language.
2) What are the features of ASP.NET?
Some of the key features of ASP.NET include:
Built in security features such as user authentication and authorization
Server side programming model for creating dynamic web applications
Integration with other .NET technologies such as ADO.NET and Language Integrated Query (LINQ)
Cross platform compatibility
Object oriented programming model
Extensibility through the use of modules, handlers, and third party add ins
Compatibility with different data sources such as Oracle, Microsoft SQL Server, and MySQL.
3) What is the difference between ASP.NET and ASP?
ASP (Active Server Pages) was the predecessor of ASP.NET and used VBScript as its programming language. ASP.NET, on the other hand, is a more advanced framework that supports multiple programming languages and provides better performance and security features.
4) What are the different types of caching in ASP.NET?
The three types of caching in ASP.NET are output caching, fragment caching, and data caching. Output caching stores the entire page output in the memory, fragment caching stores a specific part of a page, and data caching stores frequently used data in the memory for faster access.
5) What is the Global.asax file in ASP.NET?
The Global.asax file is a special file that reacts to application level events in ASP.NET, such as application start, session start, and session end. It also contains application level and session level variables and events that can be used for handling exceptions and managing application state.
6) What is ViewState and how is it used in ASP.NET?
ViewState is a hidden field on an ASP.NET page that stores the state of the controls on that page. It is used to keep track of the values of the controls and maintain their values between postbacks.
7) What is the difference between PostBack and Callback in ASP.NET?
PostBack is the process of submitting an entire page to the server for processing, while Callback is a lightweight request that sends only the necessary data to the server and updates the page asynchronously.
8) How does ASP.NET manage session state?
ASP.NET can manage session state using in process or out of process session management. In process session management uses the server's memory to store session data, while out of process session management uses an external resource such as a state server or a SQL Server database.
9) What is the difference between Server.Transfer and Response.Redirect in ASP.NET?
Server.Transfer transfers control to another page without changing the URL in the browser, while Response.Redirect redirects the user to a different page and changes the URL in the browser.
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10) What are JavaScript frameworks?
JavaScript frameworks are collections of pre written JavaScript code that provide developers with a set of helpful functions and tools for faster and easier development of web applications.
11) How does ASP.NET ensure security?
ASP.NET uses different security mechanisms such as authentication, authorization, and encryption to ensure the security of web applications. It also has built in security features for preventing cross site scripting (XSS) and cross site request forgery (CSRF) attacks.
12) What is Entity Framework in ASP.NET?
Entity Framework is an Object Relational Mapping (ORM) framework that allows developers to work with data stored in relational databases using object oriented programming concepts. It simplifies database querying and data manipulation tasks in ASP.NET applications.
13) What is MVC architecture?
MVC (Model View Controller) is a software architectural pattern used for developing web applications. It separates the application into three components: Model (data layer), View (user interface), and Controller (business logic).
14) What is the difference between Code behind and Inline code in ASP.NET?
Code behind refers to the practice of separating code from the ASPX markup page and placing it in a separate class file. Inline code, on the other hand, involves writing code directly in the ASPX markup page using server side tags.
15) How does ASP.NET handle errors and exceptions?
ASP.NET provides a global error handling mechanism through the Global.asax file. It also has features such as custom error pages and the try/catch block for handling exceptions and displaying informative error messages to the user.
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