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JPMorgan Chase & Co. Interview Questions and Answers

Updated 9 Nov 2024
Popular Designations

Q1. What is benefit of Microservices ?

Ans.

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 and fix issues as each service is isolated and has its own c...read more

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Q2. What is ViewBag and ViewData ?

Ans.

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';

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Q3. What is Dependency Injection ?

Ans.

Dependency Injection is a design pattern where components are given their dependencies rather than creating them internally.

  • Allows for better code reusability and testability

  • Reduces coupling between components

  • Promotes separation of concerns

  • Examples: Constructor Injection, Setter Injection, Interface Injection

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Q4. What is Solid Principles ?

Ans.

Solid Principles are a set of five design principles for writing clean, maintainable, and scalable code.

  • Single Responsibility Principle: A class should have only one reason to change.

  • Open/Closed Principle: Classes should be open for extension but closed for modification.

  • Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

  • Interface Segregation Principle: Clients should not be fo...read more

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Q5. What is .Net Core ?

Ans.

.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 for development

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Q6. What is CORS ?

Ans.

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, such as AJAX requests from a different domain.

  • Without CORS...read more

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Q7. What is Middleware?

Ans.

Middleware is software that acts as a bridge between an application's front end and back end, allowing them to communicate and interact.

  • Middleware can handle tasks such as authentication, logging, error handling, and routing.

  • It can be used to modify incoming requests or outgoing responses.

  • Examples of middleware include Express.js middleware in Node.js applications and ASP.NET middleware in .NET applications.

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Q8. Explain JWT in Brief.

Ans.

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.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

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Interview Process at JPMorgan Chase & Co.

based on 3 interviews
1 Interview rounds
Technical Round
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