Bell Canada Interview Questions and Answers

Interview through an online platform, you have 30 seconds to read the question and then 1 minute to start recording and answering each question :
1- Why you are interested in Bell
2- Why the Graduate Program
3- Tell me one achievement and what steps you took to achieve it

Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method of its parent class, exhibiting polymorphic beh
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Q2. What is advantage of .net core over .net framework
Ans. 
One advantage of .NET Core over .NET Framework is its cross-platform compatibility.
• Cross-platform compatibility allows developers to build and run applications on Windows, macOS, and Linux.

• Smaller footprint and faster performance compared to .NET Framework.

• Support for modern development practices like microservices and containerization.

• Regular updates and improvements through the open-source community.

• Ability to deploy...read more
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Q3. What is Startup file in .net core
Ans. 
Startup file in .NET Core is a C# file that configures services and middleware for the application.
• Startup file is typically named Startup.cs

• It contains ConfigureServices method to configure services like MVC, Entity Framework, etc.

• It also contains Configure method to set up middleware like routing, error handling, etc.
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Q4. What is middleware in .net core
Ans. 
Middleware in .NET Core is software components that are used to handle requests and responses in the application pipeline.
• Middleware components are added to the application pipeline in the Startup class using the UseMiddleware method.

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

• Middleware can be created using classes that implement the IMiddleware interface or using inline func
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Q5. Async communication explanation
Ans. 
Async communication is a method of communication where messages are sent and received independently of each other, allowing for non-blocking operations.
• Async communication allows for tasks to be executed concurrently without waiting for each other to finish.

• It is commonly used in programming to improve performance by allowing multiple operations to be performed simultaneously.

• Examples include asynchronous programming i...read more
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Q1. Expected salary and package discussion
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