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Capgemini Engineering Interview Questions and Answers
331 Interview questions
Reference data is a type of data that defines the permissible values for other data elements in a system.
Reference data provides context for transactional data, such as country codes or currency types.
It is often used to standardize data across different systems, ensuring consistency.
Examples include lists of product categories, customer segments, or geographical regions.
Reference data can be static (like country ...
Security setup involves configuring systems to protect data and resources from unauthorized access and threats.
Establish user roles and permissions to control access to sensitive data.
Implement encryption protocols to secure data in transit and at rest.
Regularly update software and systems to patch vulnerabilities.
Conduct security audits and assessments to identify potential risks.
Utilize firewalls and intrusion d...
Blocking and unblocking security refers to measures that restrict or allow access to sensitive data.
Blocking security prevents unauthorized access to sensitive information, such as financial records.
Unblocking security allows access to previously restricted data after proper authorization.
Example: A bank may block access to customer account details until identity verification is completed.
Unblocking can occur when...
I am particularly interested in the fields of artificial intelligence and web development, focusing on innovative solutions and user experience.
Artificial Intelligence: I enjoy exploring machine learning algorithms, such as neural networks, to create intelligent applications.
Web Development: I am passionate about building responsive websites using frameworks like React and Angular.
Data Analysis: I find it fascinat...
Change management in Windchill PLM involves controlling product changes efficiently throughout the lifecycle.
Change management ensures that all product changes are documented and approved, reducing errors.
Windchill PLM provides tools for tracking change requests, such as Engineering Change Orders (ECOs).
For example, if a design modification is needed, an ECO can be initiated to assess impacts and approvals.
It inte...
OOPS in Java refers to Object-Oriented Programming, which uses objects and classes to structure software design.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., class).
Inheritance: Mechanism where one class can inherit fields and methods from another (e.g., class Dog extends Animal).
Polymorphism: Ability to present the same interface for different underlying forms (e.g., met...
I prioritize tasks by assessing urgency, impact, and deadlines, ensuring efficient management of responsibilities.
Assess urgency: Identify tasks that are time-sensitive, like resolving critical database issues.
Evaluate impact: Focus on tasks that significantly affect system performance or user experience, such as optimizing slow queries.
Use a task management tool: Implement tools like Trello or Jira to visualize a...
Inheritance in OOP allows a class to inherit properties and methods from another class, promoting code reusability and organization.
Single Inheritance: A class inherits from one superclass. Example: class Dog extends Animal.
Multiple Inheritance: A class inherits from multiple superclasses (not supported in Java). Example: class Dog extends Animal, Pet.
Multilevel Inheritance: A class inherits from a superclass, whi...
DDL and DML are SQL sublanguages for defining database structures and manipulating data within those structures.
DDL (Data Definition Language): Used to define and manage all database objects. Examples include CREATE, ALTER, and DROP commands.
CREATE: Used to create new tables or databases. Example: CREATE TABLE users (id INT, name VARCHAR(100));
ALTER: Used to modify existing database objects. Example: ALTER TABLE u...
Classes are blueprints for creating objects, encapsulating data and behavior in object-oriented programming.
A class defines properties (attributes) and methods (functions) that its objects will have.
An object is an instance of a class, representing a specific entity with state and behavior.
Example: A 'Car' class may have attributes like 'color' and 'model', and methods like 'drive()' and 'stop()'.
Multiple objects ...
Capgemini Engineering Interview Experiences
382 interviews found
Dhruv Narayan Singh
Interview Questionnaire
15 Questions
- Q1. What is difference between C and C++?
- Ans.
C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for exception handling than C.
C++ has a standard library while C does not.
C++ allows function overloading while C does not.
- Q2. What is difference between array and linked list?
- Ans.
Arrays are contiguous blocks of memory while linked lists are made up of nodes that point to the next node.
Arrays have fixed size while linked lists can grow dynamically.
Insertion and deletion are faster in linked lists than in arrays.
Arrays have better cache locality while linked lists have better memory utilization.
Arrays are accessed using indices while linked lists are accessed using pointers.
Examples of arrays inc...
- Q3. What is data abstraction and explain with code?
- Ans.
Data abstraction is the process of hiding implementation details and showing only necessary information.
Abstraction is achieved through abstract classes and interfaces.
It helps in reducing complexity and increasing efficiency.
Example: abstract class Shape with abstract method draw() implemented by its subclasses like Circle and Rectangle.
- Q4. What is TCP/IP,OSI model?
- Ans.
TCP/IP is a protocol used for communication between devices on the internet. OSI model is a conceptual framework for network communication.
TCP/IP is a suite of protocols that governs communication between devices on the internet.
OSI model is a conceptual framework that divides network communication into seven layers.
TCP/IP is based on a four-layer model, which includes the application, transport, internet, and network ...
- Q5. What is program counter?
- Ans.
Program counter is a register that stores the memory address of the next instruction to be executed by the processor.
Program counter is also known as instruction pointer.
It is a part of the processor's control unit.
The value of program counter is incremented after each instruction is executed.
If a program counter is corrupted, the processor may execute incorrect instructions.
Example: If the program counter is pointing ...
- Q6. WAP to reverse string?
- Ans.
A program to reverse a given string.
Create an empty string to store the reversed string.
Iterate through the original string from end to start.
Append each character to the empty string.
Return the reversed string.
- Q7. WAP for recursion and explain its working?
- Ans.
Recursion is a technique where a function calls itself to solve a problem. WAP for recursion is to write a program using recursion.
Recursion is used to solve problems that can be broken down into smaller sub-problems.
The base case is the condition where the function stops calling itself.
The recursive case is where the function calls itself with a smaller input.
Example: Factorial of a number can be calculated using recu...
- Q8. What is microprocessor and explain register names?
- Ans.
A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit.
Microprocessors are used in various electronic devices such as computers, smartphones, and gaming consoles.
Register names include program counter (PC), accumulator (ACC), general-purpose registers (GPR), and memory address register (MAR).
Registers are used to store data and instructions t...
- Q9. Explain SQL commands?
- Ans.
SQL commands are used to interact with databases and manipulate data.
SELECT: retrieve data from a database
INSERT: add new data to a database
UPDATE: modify existing data in a database
DELETE: remove data from a database
CREATE: create a new database or table
ALTER: modify the structure of a database or table
DROP: delete a database or table
JOIN: combine data from multiple tables
GROUP BY: group data based on a specific colum...
- Q10. Write a SQL query to join two tables?
- Ans.
SQL query to join two tables
Use JOIN keyword to combine two tables based on a common column
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the common column between two tables
- Q11. Explain pointers and heap ?
- Ans.
Pointers are variables that store memory addresses. Heap is a region of memory used for dynamic memory allocation.
Pointers are used to access memory directly
Heap is used for dynamic memory allocation
Pointers can be used to create data structures like linked lists
Heap memory must be manually managed to avoid memory leaks
- Q12. Explain whole process for Example.c file to Example.exe conversion
- Ans.
The process of converting Example.c file to Example.exe involves several steps.
Preprocessing: includes header file inclusion, macro expansion, and conditional compilation
Compilation: converts source code to object code
Linking: combines object code with libraries to create executable file
Debugging: identifying and fixing errors in code
Optimization: improving performance of executable file
- Q13. What have you done on real implementation on linux OS?
- Ans.
I have implemented various software applications on Linux OS.
Developed a web application using Python Flask framework on Linux server
Created a custom Linux kernel module for a hardware device driver
Implemented a distributed system using Apache Kafka on Linux machines
Optimized performance of a database server running on Linux by tuning kernel parameters
- Q14. Some questions on DBMS
- Q15. Please introduce youself
- Ans.
I am a software engineer with 5 years of experience in developing web applications using Java and JavaScript.
5 years of experience in software development
Expertise in Java and JavaScript
Proficient in developing web applications
Strong problem-solving and analytical skills
Interview Preparation Tips
Experience: The interview process last for around 30-40 minutes and it was elimination round.This round decide your placement.First of all interviewer ask about the language comfortable with,then lots of questions regarding C/C++ basics.After that he asks lot of questions about Pointers,Operating system,Data structure and Algorithms,GNU/Linux,SQL,Computer networks and everything mentioned on resume and good knowledge on Recursion(only few knows behind the scene of memory stack of recursion concept).Ask about GNU/LINUX and what i had done with OS with practical work.When he ask about DBMS i told him that i don't know theory and i am comfortable with SQL.
Tips: Be calm throughout the interview ,brush up C/C++ basics,pointer(he almost asked whole pointer concept and heap),data structure.Revise TCP/IP and OSI model with protocols.Always be cool and for programming questions always ask every points to write about programming question.
Round: HR Interview
Experience: HR round was just formality very less candidates are eliminated.HR was very nice guy.He ask me about projects i had done and other questions are related to job location,relocation and bond.Always say truth.When i was asked about why you are not placed yet i honestly told that most of the times i was rejected.
Tips: Always be cool while answering.
General Tips: Always be cool and don't be nervous.Be confident while answering.
Skill Tips: Be proficient in at least one programming language
Skills: C, C++, Data Structure, SQL , Computer networks, GNU/LINUX, Algorithm
College Name: University Institute of Engineering and Technology Kurukshetra University
Motivation: I had faced many rejection and i advice to my juniors stay focused on competitive programming.Do not lose hope because your core technical knowledge decide your fate.Do not cram the topics.Learn programming on MyCodeSchool,hackerank,TopCoder.
Funny Moments: When interviewer asked about penetration testing which i mentioned on resume then i told him whole process of cracking his Wi-Fi to get free access to the internet and when asked about can i switch to other domain inspite of software engineering than he told me with smiling face the world is dynamic(i think i explained so well the concept of pointer and heap).
Skills evaluated in this interview
Lalitha T
I applied via Job Portal and was interviewed in Dec 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What are the different types of changes?
- Ans.
Different types of changes include organizational, technological, process, and strategic changes.
Organizational changes involve restructuring, mergers, or leadership changes.
Technological changes refer to implementing new systems, software, or tools.
Process changes focus on improving workflows, procedures, or policies.
Strategic changes involve shifts in overall goals, vision, or direction.
- Q2. What is a PIR report?
- Ans.
A PIR report is a Post-Implementation Review report that evaluates the success of a change or project after it has been implemented.
PIR reports assess the effectiveness of a change or project in meeting its objectives.
They identify lessons learned and areas for improvement for future changes or projects.
PIR reports often include feedback from stakeholders and key performance indicators (KPIs) to measure success.
Example...
(2 Questions)
- Q1. What is the change management process in ITIL?
- Ans.
The change management process in ITIL involves requesting, assessing, authorizing, implementing, and reviewing changes to IT services.
Requesting changes: Users or stakeholders submit change requests for IT services.
Assessing changes: Change managers evaluate the potential impact and risks of proposed changes.
Authorizing changes: Changes are approved or rejected based on their impact and alignment with business goals.
Im...
- Q2. How flexible are you with shift schedules?
- Ans.
I am very flexible with shift schedules and can adapt to different timings as needed.
I have experience working various shifts in my previous roles.
I am willing to adjust my schedule to meet the needs of the team or project.
I understand the importance of being available during critical times, even if it means working non-traditional hours.
Ashish Bali
(3 Questions)
- Q1. What is the difference between agent and waterfall
- Ans.
Agile is an iterative approach to project management, while waterfall is a linear approach.
Agile is iterative and allows for flexibility and changes throughout the project.
Waterfall is a linear approach where each phase must be completed before moving on to the next.
Agile focuses on delivering working software in short iterations, while waterfall follows a sequential process from requirements to testing and deployment.
- Q2. How you handle the agile waterfall project
- Ans.
I handle agile waterfall projects by blending the flexibility of agile with the structure of waterfall.
I create a hybrid approach that combines the iterative nature of agile with the sequential phases of waterfall.
I prioritize requirements and plan sprints while also defining clear milestones and deliverables.
I ensure constant communication and collaboration among team members to adapt to changes while staying on track...
- Q3. Share any waterfall project which you have done
- Ans.
Managed a large-scale construction project using the waterfall methodology
Developed a detailed project plan outlining all tasks and dependencies
Assigned specific roles and responsibilities to team members
Implemented a strict change control process to minimize scope creep
Conducted regular status meetings to track progress and address any issues
Completed the project on time and within budget
(2 Questions)
- Q1. Keep a good study on the data centres and the cloud migration
- Q2. Understand how the data centre setup should develop
- Ans.
Data centre setup should evolve with advancements in technology and increasing demands for storage and processing power.
Regularly assess and upgrade hardware to ensure optimal performance
Implement virtualization to maximize resource utilization
Utilize cloud services for scalability and flexibility
Enhance security measures to protect sensitive data
Consider energy efficiency and sustainability in design
Anonymous
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There were 4 interview rounds.
Java, DSA Coding Questions, Array, LL
(2 Questions)
- Q1. Java, Java 8, SpringBoot, AWS, Kafka, Microservices, Design Patterns, SOLID
- Q2. Collection framework
(1 Question)
- Q1. General Managerial Interview
(1 Question)
- Q1. HR Discussion , Salary Discussion Company Policy etc
Interview Preparation Tips
(2 Questions)
- Q1. What is closure
- Ans.
A closure is a function that has access to its own scope, as well as the scope in which it was defined.
A closure allows a function to access variables from an outer function even after the outer function has finished executing.
Closures are commonly used in event handlers, callbacks, and in functional programming.
Example: const outerFunction = () => { const outerVar = 'I am outer'; return () => { console.log(outer...
- Q2. What is difference between state and props
- Ans.
State is mutable and managed within a component, while props are immutable and passed from parent to child components.
State is managed within a component and can be changed using setState() method
Props are passed from parent to child components and cannot be changed within the child component
State is used for internal component data management, while props are used for passing data from parent to child components
Exampl...
(2 Questions)
- Q1. What is difference between display block and inline
- Ans.
display block takes up full width and starts on a new line, while display inline only takes up as much width as necessary and does not start on a new line.
display block elements start on a new line and take up the full width available, while display inline elements do not start on a new line and only take up as much width as necessary
display block elements can have margin and padding applied on all four sides, while di...
- Q2. What is promise
- Ans.
A promise is an object representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
A promise can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and .catch() to handle errors.
Example: Fetching data from an API returns a promise that resolves with the data or rejects with ...
Good morning raise a simple terms of the following sentence to be ready to to to to to to to to
(2 Questions)
- Q1. The following sentence to the sentence to be
- Q2. They you are not reachable at the same thing
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Can we interchange service and controller annotations?
- Ans.
No, service and controller annotations cannot be interchanged.
Service annotations are used to define a class as a service component, while controller annotations are used to define a class as a controller component.
Service annotations are typically used for business logic and data manipulation, while controller annotations are used for handling HTTP requests and responses.
Interchanging these annotations can lead to une...
- Q2. Sql query join
- Ans.
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOIN: Returns all records from the r...
(1 Question)
- Q1. Why want to switch?
- Ans.
Seeking new challenges and opportunities for growth in a different environment.
Desire for new challenges and opportunities
Seeking professional growth and development
Interested in exploring different work environment
Looking for a change in career path
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Hashmap internal working
- Q2. Default methods and multiple abstraction, asynchronous calls in java
MCQ’s only, DSA and other MCQ 1 hour
(2 Questions)
- Q1. Project related questions
- Q2. Coding problem in any basic programming language
(2 Questions)
- Q1. General HR and salary discussions
- Q2. Location and other related queries
I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.
Easy and gaming round also included which has more weightage
(2 Questions)
- Q1. Tell me about yourself
- Q2. What four pillar of oops
- Ans.
The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: The ability for objects of different classes to respond to the same message.
Abstraction: Hiding the complex implementation details and showing only the n...
(1 Question)
- Q1. What is data base management system
- Ans.
A Database Management System (DBMS) is software that enables the creation, management, and manipulation of databases.
DBMS allows users to create and manage databases efficiently.
Examples include MySQL, PostgreSQL, and Oracle Database.
It provides data security, integrity, and consistency.
DBMS supports data retrieval through query languages like SQL.
It enables concurrent access for multiple users.
(1 Question)
- Q1. What is your salary expectations
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