Atos Interview Questions, Process, and Tips

Verbal, reasoning,aptitude

Q1. MCQs related to CS
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2Coding questions and it was moderate level

Q1. What is scd type 2?
Ans. 
SCD type 2 is a method used in data warehousing to track historical changes by creating a new record for each change.
• SCD type 2 stands for Slowly Changing Dimension type 2

• It involves creating a new record in the dimension table whenever there is a change in the data

• The old record is marked as inactive and the new record is marked as current

• It allows for historical tracking of changes in data over time

• Example: If a cust...read more
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Q2. Pyspark question read CSV from folder and add column in each csv file and write it to different location.
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Q1. What is the capital market?
Ans. 
The capital market is a financial market where individuals and institutions trade financial securities.
• It is a market for buying and selling long-term debt or equity-backed securities.

• It includes stock exchanges and over-the-counter markets.

• Investors can buy and sell stocks, bonds, and other financial instruments in the capital market.

• It helps companies raise capital for expansion and growth.

• Examples include the New Yo
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Q1. Difference between Uipath Studio and StudioX?
Ans. 
UiPath Studio is for professional developers, while StudioX is for business users with no coding experience.
• UiPath Studio is for professional developers who have coding experience.

• StudioX is designed for business users with no coding experience.

• StudioX has a more user-friendly interface and pre-built automation templates.

• UiPath Studio offers more advanced features and customization options for developers.

• StudioX allows...read more
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Q2. Do you know about Automation Test Suite?
Ans. 
Automation Test Suite is a collection of test cases that are automated to test the functionality of a software application.
• Automation Test Suite helps in executing multiple test cases efficiently.

• It helps in reducing manual effort and time required for testing.

• Test suites can be scheduled to run at specific times or triggered based on certain events.

• Examples of popular automation test suites include Selenium, UFT, and
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Q1. What is abstract class
Ans. 
An abstract class is a class that cannot be instantiated and is used as a blueprint for other classes to inherit from.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Can have both abstract and non-abstract methods

• Used to define common behavior for subclasses
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Q2. How to implement singleton pattern
Ans. 
Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Create a private static instance variable of the class itself

• Make the constructor private to prevent instantiation from outside the class

• Provide a static method to access the singleton instance
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Q1. Struts framework question
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Q2. Working flow of struts
Ans. 
Struts is a framework for building Java web applications based on the Model-View-Controller (MVC) design pattern.
• Struts framework is based on MVC architecture

• It uses ActionServlet as the controller

• Struts configuration is done using XML files like struts-config.xml

• It provides built-in support for form validation and error handling

• Struts actions are mapped to URLs in struts-config.xml
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Q1. Oops concept related work
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Q2. Technology used in prj
Ans. 
Various technologies used in the project include Java, Spring Boot, Angular, MySQL, and Docker.
• Java

• Spring Boot

• Angular

• MySQL

• Docker
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