Publicis Sapient Software Engineer II Interview Questions, Process, and Tips

You will be asked to develop an application and based on that the next round will be proceeded. For me I have been asked to perform some crud operations with api using asp.net core and asp.net mvc application

Q1. What is api and why do we use it
Ans. 
API is a set of protocols and tools for building software applications. It allows different applications to communicate with each other.
• API stands for Application Programming Interface

• It defines how different software components should interact with each other

• APIs can be used to access data or functionality from other applications or services

• Examples of APIs include Google Maps API, Twitter API, and Facebook API
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Q2. Difference between interface and abstract class
Ans. 
Interface defines only method signatures while abstract class can have method implementations.
• An interface can be implemented by multiple classes while an abstract class can only be extended by one class.

• An abstract class can have constructors while an interface cannot.

• An abstract class can have instance variables while an interface cannot.

• An abstract class can provide default implementations for some methods while an ...read more
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Q3. How routing is performed in asp.net core api
Ans. 
Routing in ASP.NET Core API is performed using the built-in middleware called Endpoint Routing.
• Endpoint Routing is responsible for mapping incoming requests to the appropriate action methods in the controller.

• It uses the HTTP verb, URL pattern, and route data to determine the correct action method.

• Routes can be defined using attributes on the controller and action methods or in the Startup.cs file.

• Middleware like authe...read more
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Q4. What are solid principles
Ans. 
SOLID principles are a set of design principles for writing maintainable and scalable software.
• S - Single Responsibility Principle

• O - Open/Closed Principle

• L - Liskov Substitution Principle

• I - Interface Segregation Principle

• D - Dependency Inversion Principle
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Q1. Why are you switching to this job
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Q2. What is your salary expectations
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