.NET Trainee Interview Questions and Answers

Dictionaries are useful for efficient key-value pair storage and retrieval.

• Dictionaries provide fast access to values based on their keys.

• They allow for efficient searching, insertion, and deletion of key-value pairs.

• Dictionaries are commonly used in scenarios where quick lookup is required, such as caching or indexing.

• They can be used to count occurrences of elements in a collection.

• Dictionaries are helpful in solving problems that involve mapping or associating data.

• Example...read more

MVC stands for Model-View-Controller. It is a software architectural pattern used for designing web applications.

• MVC separates the application into three interconnected components: Model, View, and Controller.

• Model represents the data and business logic of the application.

• View is responsible for rendering the user interface.

• Controller handles user input, updates the model, and interacts with the view.

• MVC promotes separation of concerns, making the application easier to develo...read more

A database is a structured collection of data that is organized and stored for easy access, management, and retrieval.

• A database is used to store and manage large amounts of data.

• It provides a way to organize data into tables, rows, and columns.

• Databases can be relational, object-oriented, or hierarchical.

• Examples of databases include MySQL, Oracle, and SQL Server.

LINQ is a query language in .NET that allows developers to query data from different data sources using a unified syntax.

• LINQ stands for Language Integrated Query.

• It provides a consistent way to query and manipulate data from various sources like databases, XML, and collections.

• LINQ uses a set of standard query operators like Where, Select, OrderBy, etc.

• It supports both query syntax (similar to SQL) and method syntax (using extension methods).

• LINQ queries are strongly typed a...read more