Dot Net Fullstack Developer Interview Questions and Answers for Freshers

Polymorphism is the ability of a single function or method to operate on different data types. Interface is a contract that defines the methods that a class must implement. Multithreading is the ability of a CPU to execute multiple threads concurrently. C# does not support multiple inheritance. Inheritance is a mechanism in OOP where a class inherits properties and behaviors from another class. Methods are functions defined within a class. void main() is the entry point of a ...read more

Authentication is the process of verifying the identity of a user, while authorization is the process of determining what resources a user can access.

• Authentication can be done using various methods such as username/password, tokens, or biometrics.

• Authorization involves assigning roles or permissions to users based on their identity.

• Authentication and authorization are often implemented using frameworks like OAuth or JWT.

• Examples include logging in with a username and passwor...read more

Use SQL query with ORDER BY and LIMIT to find 3rd highest salary

• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 2,1 to skip first two highest salaries and get the third highest salary

OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

• OOPS focuses on creating objects that interact with each other to solve problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation involves bundling data and methods that operate on the data into a single unit

• Inheritance allows a class to inherit properties and behavior from another class

• Polymorphism enables o...read more