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Atos Software Engineer Interview Questions and Answers

Updated 5 Feb 2024

Q1. what is DDOS, CIA Triad, Encryption, etc

Ans.

DDOS is a cyber attack that floods a network or server with traffic to make it unavailable. CIA Triad is a security model. Encryption is a method of securing data.

  • DDOS stands for Distributed Denial of Service

  • CIA Triad stands for Confidentiality, Integrity, and Availability

  • Encryption is the process of converting plain text into a coded message to prevent unauthorized access

  • Examples of encryption include SSL, AES, and RSA

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Q2. What is Overloading in OOPS

Ans.

Overloading in OOPS is the ability to define multiple methods in a class with the same name but different parameters.

  • Allows multiple methods with the same name but different parameters

  • Parameters can be different in number, type, or order

  • Helps in improving code readability and reusability

  • Example: having multiple constructors in a class with different parameters

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Q3. What is Inheritance in OOPS

Ans.

Inheritance in OOPS allows a class to inherit properties and behavior from another class.

  • Child class inherits attributes and methods from a parent class

  • Helps in code reusability and promotes the concept of hierarchy

  • Types of inheritance include single, multiple, multilevel, and hierarchical

  • Example: Class Animal can be a parent class with attributes like name and methods like eat, and Class Dog can inherit from Animal with additional methods like bark

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Q4. What is Polymorphism in OOPS

Ans.

Polymorphism in OOP refers to the ability of a single function or method to operate on different data types.

  • 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, providing different functionality.

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Q5. Star Pattern Print in C

Ans.

Printing star patterns in C using loops and nested loops.

  • Use nested loops to print the desired pattern.

  • Use a combination of spaces and stars to create the pattern.

  • Experiment with different loop structures to create various patterns.

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Q6. Relevant module experience

Ans.

I have experience in modules related to web development, database management, and API integration.

  • Web development frameworks such as React, Angular, and Vue.js

  • Database management systems like MySQL, MongoDB, and PostgreSQL

  • API integration using RESTful and GraphQL APIs

  • Experience with version control systems like Git and SVN

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Interview Process at Atos Software Engineer

based on 7 interviews
3 Interview rounds
Resume Shortlist Round
Aptitude Test Round
HR Round
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