Infosys Senior Systems Engineer Interview Questions, Process, and Tips

BAPI is a business object-oriented interface while RFC is a remote function call.

• BAPI is used for business processes while RFC is used for remote communication between systems.

• BAPI is a higher level of abstraction than RFC.

• BAPIs are implemented as methods of business objects while RFCs are implemented as function modules.

• BAPIs have a defined interface while RFCs do not necessarily have a defined interface.

• Examples of B...read more

Check the version control system for any changes made to the code in DEV.

• Check the commit history in the version control system.

• Compare the code in PRD with the latest version in DEV.

• Ensure that any changes made in DEV are properly tested and approved before deploying to PRD.

MVC (Model-View-Controller) lifecycle is a process of handling user requests and generating responses in web applications.

• The user sends a request to the controller

• The controller receives the request and processes it

• The controller updates the model based on the request

• The view is updated based on the changes in the model

• The updated view is sent back to the user as a response

Filters in MVC are used to intercept and modify HTTP requests and responses.

• Filters are used to perform pre-processing and post-processing tasks on HTTP requests and responses.

• They can be used for authentication, logging, caching, and exception handling.

• Examples of filters include Authorization filters, Action filters, Result filters, and Exception filters.

Abstract class is a class that can have both abstract and non-abstract methods while interface only has abstract methods.

• Abstract class can have constructors while interface cannot

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

• Abstract class can have instance variables while interface cannot

• Abstract class is used for code reusability while interface is used for achieving abstracti...read more