Trianz Interview Questions, Process, and Tips

DSA, Cloud, C++ , OOP, DBMS,

Q1. Oops related basic questions
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Q1. Tell me about yourself
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Q1. What are some Java OOPs concepts.
Ans. 
Java OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction, which enhance code reusability and organization.
• Encapsulation: Bundling data and methods that operate on the data within a single unit (class). Example: private variables with public getters/setters.

• Inheritance: Mechanism where one class inherits properties and behavior from another. Example: class Dog extends Animal.

• Polymorphism: Abi...read more
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Q2. Explain project mentioned in resume.
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Q1. Middleware in .Net core
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Middleware in .NET Core is a component that can handle requests and responses in the application pipeline.
• Middleware is a piece of software that can intercept and process HTTP requests and responses.

• Middleware components are added to the application pipeline in the Startup class.

• Middleware can perform tasks such as authentication, logging, error handling, etc.

• Example: UseMiddleware<CustomMiddleware>()
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Q2. How authentication work for web api
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Authentication for web API involves verifying the identity of users before granting access to resources.
• Authentication can be done using tokens like JWT or OAuth.

• API endpoints can be secured using authentication middleware.

• User credentials are validated against a data store like a database.

• Authentication headers like Authorization are used to send tokens with requests.
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Q3. How to configure DI services
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DI services can be configured in .NET by registering services in ConfigureServices method of Startup class
• Register services using AddTransient, AddScoped, or AddSingleton methods

• Use IServiceCollection interface to add services

• Example: services.AddTransient<IMyService, MyService>()
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Q4. How to handle CORS
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CORS can be handled by configuring the server to allow cross-origin requests from specified origins.
• Configure server to include appropriate CORS headers like Access-Control-Allow-Origin

• Use middleware or filters to handle CORS in .NET applications

• Consider security implications when allowing cross-origin requests
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Q1. As per your experience
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Q2. Many questions related to work profile
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Q3. It's depends on your skills
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Q1. As per experience
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Q1. All questions related to your work,personal and education
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