ALTEN Softwaretest Engineer Interview Questions and Answers

Q1. What is delegates
Ans. 
Delegates are a type-safe function pointers used in C# to reference methods.
• Delegates allow methods to be passed as parameters

• Delegates can be used to define callback methods

• Delegates are used in event handling in C#
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Q2. Why we use interface in .net core
Ans. 
Interfaces in .NET Core provide a way to define a contract for classes to implement, promoting code reusability and flexibility.
• Interfaces allow for multiple inheritance in .NET Core, as a class can implement multiple interfaces.

• Interfaces help in achieving loose coupling between components, making the code more maintainable and testable.

• Interfaces are used for dependency injection in .NET Core, allowing for easier uni...read more
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Q3. Why we use garbage collection
Ans. 
Garbage collection is used to automatically manage memory by reclaiming unused memory and preventing memory leaks.
• Prevents memory leaks by reclaiming memory that is no longer in use

• Reduces the risk of memory errors and crashes

• Improves performance by freeing up memory for other processes

• Eliminates the need for manual memory management, reducing developer workload
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Simple aptitude questions and multiple choice coding questions were asked.

Q1. Explanation about project
Ans. 
I have worked on a project to develop a mobile application for tracking fitness activities and providing personalized workout plans.
• Developed user-friendly interface for inputting and tracking fitness data

• Implemented algorithms to generate personalized workout plans based on user's goals and progress

• Integrated with wearable devices to automatically sync activity data

• Conducted thorough testing to ensure accuracy and rel...read more
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Q2. SQL queries which were easy
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Q3. Linked list and arrays
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The first round is the aptitude+Core Subjects(Dsa+Cloud+Networking+Sql+Devops+ML)+ Coding One basic and one Advance

Q1. Funtional testing
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Q2. Bug severity and proiriry
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Based on strings and arrays Mostly

Two coding questions

one is change one line of code to debug a short program

one is counting frequencies of string and remove the unnecessary counts to make it palindrome

Q1. Some Behaviroal questions about your inspiration for thales
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