Capgemini Senior Consultant Interview Questions, Process, and Tips

Q1. Explain solid principle with examples.
Ans. 
SOLID principles are a set of design principles that help in creating maintainable and scalable software.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open-Closed Principle (OCP) - A class should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Subtypes should be substitutable for their base types.

• Interface Segregation Principle (ISP) - A cl...read more
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Q2. When to use interceptor in angular?
Ans. 
Interceptors are used to intercept HTTP requests and responses.
• To add headers, modify requests, or handle errors globally

• Can be used for authentication, logging, caching, etc.

• Example: Adding an authorization token to every request
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Q1. C++ Memory management Questions
Ans. Difference between malloc and new. Can we use malloc in C++
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Q1. How early can you join the company ?
Ans. If 15 days then you can demand joining bonus
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Q1. Java 8 features, stream api coding questions, functional interface tricky question, lambda expression, spring boot annotations , profiling , auctuator, spring data jpa configuration, micro services design ...read more
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Q1. Managerial round. More questions on skills, leadership skill questions
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Q1. Expectations n all
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Aptitude test was taken in the office

Q1. They gave me sample code and was asked to show output
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Q2. Difference between abstract and static keyword
Ans. 
Abstract keyword is used to create abstract classes and methods while static keyword is used to create class-level variables and methods.
• Abstract classes cannot be instantiated while static classes can be.

• Abstract methods do not have a body while static methods do.

• Abstract classes can have non-abstract methods while static classes cannot.

• Static variables and methods belong to the class while non-static variables and me...read more
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Q1. What is OOPS Concept?
Ans. 
OOPS (Object-Oriented Programming) concept is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain data in the form of attributes and code in the form of methods.

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four main principles of OOPS.

• Example: Inheritance allows a class to inherit properties and behavior from another class, promoting code reusability
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Q2. How do you configure JPA?
Ans. 
JPA configuration involves setting up persistence.xml, entity classes, and database connection details.
• Create persistence.xml file in META-INF folder

• Define entity classes with @Entity annotation

• Configure database connection details in persistence.xml

• Use EntityManager to interact with database
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Q1. How is code quality tested in your application?
Ans. 
Code quality is tested through code reviews, automated testing, static code analysis, and performance testing.
• Code reviews are conducted by peers to ensure best practices and standards are followed.

• Automated testing using tools like JUnit for unit testing and Selenium for UI testing.

• Static code analysis tools like SonarQube are used to identify code smells and potential bugs.

• Performance testing tools like JMeter are us...read more
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Q2. Have you worked on CI/CD?
Ans. 
Yes, I have experience working on CI/CD pipelines to automate software delivery processes.
• Implemented CI/CD pipelines using tools like Jenkins, GitLab CI, or CircleCI

• Automated testing, building, and deployment processes to increase efficiency

• Integrated with version control systems to trigger builds upon code changes

• Utilized containerization technologies like Docker for consistent environments

• Monitored and optimized pip
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Q1. What are your expectations from us?
Ans. 
I expect a supportive work environment, opportunities for growth, and clear communication.
• Supportive work environment

• Opportunities for growth

• Clear communication
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Q2. When can you join?
Ans. 
I can join within two weeks of receiving a formal offer.
• I need to give a two-week notice at my current job.

• I have some personal commitments that I need to wrap up before starting a new role.

• I am currently in the process of relocating, so I need some time to settle in the new location.
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Q1. IP phone bootup process basic of sip
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Q2. TCP UDP protocol
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Q3. SIP messages request and response
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Q1. Troubleshooting of oneway audio issues
Ans. 
Troubleshooting one-way audio issues in communication systems
• Check network connectivity and firewall settings

• Ensure proper configuration of SIP or RTP protocols

• Verify audio settings on both ends of the communication

• Check for any hardware issues such as faulty microphones or speakers

• Consider using a network analyzer tool to diagnose the problem
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Q2. How do you start initial troubleshooting
Ans. 
I start initial troubleshooting by gathering information, identifying the issue, and creating a plan of action.
• Gather information from the user about the problem or error

• Identify the root cause of the issue by asking questions and analyzing the situation

• Create a plan of action to address the problem, including potential solutions and steps to take

• Implement the plan and test to see if the issue has been resolved

• Document...read more
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