Cognizant Software Engineer Interview Questions and Answers

Q1. 1. Project description 2. Technologies used in recent project 3. What is dependency injection 4. Difference between Rest and Soap 5. Difference between Monolithic and Microservice 6. Features of Java 8 7. ...read more
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Interview questions for Software Engineer position
• Describe recent project and technologies used

• Explain dependency injection and differences between Rest and Soap

• Differentiate Monolithic and Microservice architecture

• List features of Java 8 and write programs using Java 8

• Provide pseudo code for sorting a list of integers without using Java 8 sort method

• Define functional interface and its annotation
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Q1. What is Adls?how is it works
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Azure Data Lake Storage (ADLS) is a scalable data storage service for big data analytics in the cloud.
• ADLS is designed for big data analytics, allowing storage of large amounts of unstructured data.

• It integrates seamlessly with Azure services like Azure Databricks and Azure HDInsight.

• ADLS supports hierarchical namespace, enabling efficient organization of data in directories.

• It provides fine-grained access control usin...read more
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Q2. What is integration pipeline?how is it work?
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An integration pipeline automates the process of integrating code changes into a shared repository, ensuring quality and consistency.
• Continuous Integration (CI) is a key component, where developers frequently merge code changes.

• Automated tests run on each integration to catch bugs early, e.g., unit tests, integration tests.

• Build automation tools like Jenkins or Travis CI are often used to manage the pipeline.

• Deployment...read more
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Q3. Copy data from one on premise sql server to Adls and Adls to Azure SQL?
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Transfer data from on-premise SQL Server to Azure Data Lake Storage (ADLS) and then to Azure SQL Database efficiently.
• Use Azure Data Factory: Create a pipeline in Azure Data Factory to copy data from SQL Server to ADLS using the Copy Data tool.

• Linked Services: Set up linked services in Azure Data Factory for both the on-premise SQL Server and ADLS to facilitate data transfer.

• Integration Runtime: Use a Self-hosted Integ...read more
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Q4. What is Azuredata bricks?
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Azure Databricks is an Apache Spark-based analytics platform optimized for Azure cloud services.
• Built on Apache Spark, it provides a collaborative environment for data scientists and engineers.

• Supports multiple languages like Python, R, Scala, and SQL for data processing.

• Integrates seamlessly with Azure services like Azure Data Lake Storage and Azure Machine Learning.

• Offers features like auto-scaling, interactive noteb...read more
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Q5. What is cluster? How is it work?
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A cluster is a group of interconnected computers that work together to perform tasks as a single system.
• Clusters improve performance by distributing workloads across multiple machines.

• They provide redundancy; if one node fails, others can take over (e.g., database clusters).

• Common types include load-balancing clusters and high-availability clusters.

• Examples include Hadoop clusters for big data processing and Kubernetes...read more
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Standard quantitative questions accompanied by logical reasoning and related topics.

Q1. Asked about my projects.
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Q2. What are the basic Object-Oriented Programming (OOP) concepts, including polymorphism and inheritance?
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OOP concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hides complex implementation details and only shows the necessa...read more
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Q3. Can you explain React, how it functions, and the related concepts?
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React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React uses a declarative approach to define how the UI should look based on the application state.

• It supports server-side rendering for improved performance.

• React can be used with other libraries like Redux for state management.
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Q4. About my final year project and how would you improve it?
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Q1. Can you introduce yourself and provide some information about your family?
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I am a software engineer with a passion for coding and problem-solving. I come from a close-knit family with supportive parents and siblings.
• Software engineer with coding and problem-solving skills

• Close-knit family with supportive parents and siblings
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Q2. What are your strengths and weaknesses, and how are you addressing your weaknesses?
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My strengths include problem-solving and teamwork, while my weaknesses are time management and public speaking. I am addressing my weaknesses by taking time management courses and practicing public speaking.
• Strengths: problem-solving, teamwork

• Weaknesses: time management, public speaking

• Addressing weaknesses: taking time management courses, practicing public speaking
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Aptitude is one of best round, to improve our skills knowledge technology.

GD is one of best round, because I love this round, sharing my knowledge ideas thinking views, to others for company growth organization growth, this round shows how much skills r there in person can be easily identified .

Q1. Urs work experience ?
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I have 5 years of experience working as a Software Engineer in various tech companies.
• Worked on developing web applications using technologies like JavaScript, HTML, CSS, and React

• Experience with backend development using Node.js and MongoDB

• Familiar with Agile methodologies and version control systems like Git

• Collaborated with cross-functional teams to deliver high-quality software solutions

• Participated in code reviews...read more
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Q2. Urs new skills ?
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I have recently acquired skills in machine learning and data analysis.
• Completed online courses in machine learning algorithms

• Practiced data analysis techniques using Python and R

• Attended workshops on deep learning models
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Q1. Do u act as team lead?
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Yes, I have experience acting as a team lead in previous projects.
• Yes, I have acted as a team lead in previous projects where I was responsible for coordinating tasks and ensuring project deadlines were met.

• I have experience delegating tasks to team members based on their strengths and expertise.

• I have also facilitated team meetings to discuss progress, address any issues, and brainstorm solutions.

• In one project, I led...read more
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Q2. Urs projects
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Urs projects involve collaborative software development, focusing on user requirements and iterative improvements.
• Emphasizes user-centered design, ensuring software meets user needs.

• Utilizes Agile methodologies for iterative development and feedback.

• Involves cross-functional teams for diverse skill sets and perspectives.

• Example: Developing a mobile app where user feedback shapes features.
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Q1. On technical how could u work from projects to projects
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Transitioning between projects involves planning, knowledge transfer, and adapting to new technologies and team dynamics.
• Conduct a thorough review of the new project's requirements and objectives.

• Engage in knowledge transfer sessions with the outgoing team to understand the project context.

• Familiarize yourself with the tech stack and tools used in the new project, such as learning a new programming language or framewor...read more
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Q2. How many days u will work on single project
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The duration of working on a single project varies depending on the project complexity and requirements.
• The duration of working on a single project can range from a few days to several months or even years.

• Factors such as project scope, team size, resources, and deadlines influence the duration of the project.

• For example, a small project with a clear scope may take a few days to complete, while a large-scale project ma...read more
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