Cognizant Technology Architect Interview Questions and Answers

Q1. What are the concepts of Object-Oriented Programming (OOP)?
Ans. 
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Encapsulation: Objects can encapsulate data and behavior within a single unit.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Objects can take on different forms or have multiple behaviors.

• Abstraction: Objects can represent real-world ent...read more
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Q2. What is dependency injection, and how does it work?
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing a way to mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of a class creating an ins...read more
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Q1. What are design patterns, including the Singleton pattern?
Ans. 
Design patterns are reusable solutions to common problems in software design. Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Design patterns are best practices for solving common design problems in software development.

• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Singleton pattern provides a ...read more
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Q2. What are the advantages of using .NET Core?
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Advantages of using .NET Core include cross-platform compatibility, high performance, and open-source nature.
• Cross-platform compatibility allows for development on Windows, macOS, and Linux.

• High performance due to its modular architecture and optimized runtime.

• Open-source nature encourages community contributions and rapid updates.

• Support for modern development practices like microservices and containerization.

• Integrat...read more
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Q1. How do you manage a team of developers?
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I manage a team of developers by setting clear goals, providing support and resources, fostering collaboration, and promoting a positive work culture.
• Set clear goals and expectations for the team

• Provide necessary support, resources, and training for team members

• Foster collaboration and communication among team members

• Promote a positive work culture and provide feedback and recognition for achievements
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Q1. Technical questions
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Q1. Salary discussion and work location
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Q1. What are the issues you face and how to resolve
Ans. 
Issues faced include outdated technology, lack of resources, and conflicting requirements. Resolving involves upgrading systems, prioritizing tasks, and effective communication.
• Outdated technology causing compatibility issues

• Lack of resources leading to delays in project completion

• Conflicting requirements from different stakeholders

• Upgrade systems to latest technology

• Prioritize tasks based on importance and impact

• Commu...read more
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Q2. Do you received any P1 or P2 incidents
Ans. 
Yes, I have received P1 and P2 incidents in my role as a Technology Architect.
• Yes, I have experience handling P1 incidents which are critical and require immediate attention.

• I have also dealt with P2 incidents which are high priority but not as urgent as P1 incidents.

• In both cases, I have worked with cross-functional teams to troubleshoot and resolve the issues efficiently.
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Q1. Is rotational shift is fine
Ans. 
Rotational shift can be acceptable depending on individual preferences and work-life balance.
• Rotational shifts can provide flexibility for employees with different schedules or preferences.

• Some individuals may thrive in a rotational shift environment, while others may find it challenging to adjust.

• It is important for employers to consider the impact of rotational shifts on employee well-being and productivity.

• Communica...read more
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Q2. Why are you leaving current organization
Ans. 
Seeking new challenges and growth opportunities
• Desire for career advancement

• Looking for new challenges

• Seeking a more innovative environment

• Want to broaden skill set
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Coding we had related to Peoplecode and unix scripting

Q1. We had a basic technological round where they post common questions to the related area you worked.
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