Servion Global Solutions Dot Net Developer Intern Interview Questions and Answers

.Net Core is a free, open-source, cross-platform framework for building modern, cloud-based, internet-connected applications.

• Developed by Microsoft as the successor to the .NET Framework

• Supports multiple operating systems like Windows, macOS, and Linux

• Provides high performance and scalability for web applications

• Includes a modular and lightweight runtime called CoreCLR

• Allows developers to use C#, F#, and Visual Basic

Microservices offer benefits such as scalability, flexibility, and easier maintenance.

• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.

• Easier maintenance: With microservices, it is easier to identify an...read more

ViewBag and ViewData are used in ASP.NET MVC to pass data from controller to view.

• ViewBag is a dynamic property that allows you to pass data from controller to view.

• ViewData is a dictionary object that allows you to pass data from controller to view.

• ViewBag is a dynamic object while ViewData is a dictionary object.

• Example: ViewBag.Title = 'Home Page'; ViewData['Message'] = 'Welcome to my website';

CORS stands for Cross-Origin Resource Sharing, a security feature that allows servers to specify who can access their resources.

• CORS is a security feature implemented by browsers to prevent unauthorized access to resources on a different origin.

• It allows servers to specify which origins are allowed to access their resources through HTTP headers.

• CORS is commonly used to enable cross-origin requests in web applications, ...read more

JWT is a compact, self-contained way to securely transmit information between parties as a JSON object.

• JWT stands for JSON Web Token.

• It consists of three parts: header, payload, and signature.

• It is commonly used for authentication and information exchange in web development.

• Example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf3

Exception handling is a mechanism to handle runtime errors in a program.

• Exception handling helps in gracefully handling unexpected errors in a program.

• It prevents the program from crashing and allows for proper error logging and recovery.

• Commonly used keywords in exception handling are try, catch, finally, and throw.

• Example: try { // code that may throw an exception } catch(Exception ex) { // handle the exception }

Abstract classes can have implementation details while interfaces cannot.

• Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.

• A class can only inherit from one abstract class, but can implement multiple interfaces.

• Abstract classes can have constructors, fields, and properties, while interfaces cannot.

• Abstract classes are used when some common functionality ne...read more

I will handle the team by setting clear expectations, delegating tasks effectively, monitoring progress, and providing support as needed.

• Set clear goals and deadlines for the team to ensure everyone is on the same page

• Delegate tasks based on team members' strengths and workload

• Regularly check in with team members to monitor progress and offer assistance if needed

• Adjust deadlines or redistribute tasks as necessary to me...read more

Promises are used for a single async operation while observables handle multiple async operations and can be cancelled.

• Promises are eager, meaning they start immediately upon creation.

• Observables are lazy, meaning they only start when subscribed to.

• Promises can only handle a single value or error, while observables can handle multiple values over time.

• Observables can be cancelled, while promises cannot be cancelled.

• Pro...read more

Angular and React are both popular front-end frameworks, but they have some key differences in terms of architecture, syntax, and ecosystem.

• Angular is a full-fledged framework with a steep learning curve, while React is a library that is more flexible and easier to learn.

• Angular uses two-way data binding, while React uses one-way data flow.

• Angular has a more opinionated architecture and provides more out-of-the-box fea...read more