Infosys System Engineer Interview Questions, Process, and Tips

Q1. What are oops concepts?
Ans. 
OOPs concepts are the fundamental principles of Object-Oriented Programming.
• Encapsulation: Binding data and functions together in a single unit.

• Inheritance: Acquiring properties and behavior of a parent class by a child class.

• Polymorphism: Ability of an object to take many forms.

• Abstraction: Hiding the implementation details and showing only the necessary information.

• Example: A car is an object that encapsulates data l...read more
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Q2. What do you mean by SDLC?
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SDLC stands for Software Development Life Cycle.
• SDLC is a process used by software development teams to design, develop, and test high-quality software.

• It consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables that must be completed before moving on to the next phase.

• SDLC helps ensure that software is developed ...read more
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Q3. What is SQL? Explain in detail.
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SQL is a programming language used to manage and manipulate relational databases.
• SQL stands for Structured Query Language.

• It is used to create, modify, and query databases.

• SQL is used in various industries such as finance, healthcare, and e-commerce.

• Examples of SQL commands include SELECT, INSERT, UPDATE, and DELETE.

• SQL is used to retrieve specific data from a database using queries.
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Q4. What are features of JAVA?
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Java is a versatile programming language known for its platform independence and rich set of features.
• Platform independence: Java programs can run on any operating system or device with a Java Virtual Machine (JVM)

• Object-oriented: Java supports the principles of object-oriented programming, allowing for modular and reusable code

• Garbage collection: Java automatically manages memory allocation and deallocation, reducing ...read more
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Q5. How to select a record from a table?
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The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.

Q1. Can you tell me about yourself?
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Q2. Can you provide details about your internship experience?
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Q3. Given a puzzle to solve
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Q4. What can you tell me about your major projects?
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Q5. What is the latest news you have heard regarding technology?
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There were a total of seven sections: verbal ability, logical reasoning, arithmetic problems, verbal reasoning, puzzles, pseudocodes, and essay writing, with each section having its own cutoff scores.

Q1. What is the SQL query to retrieve the person with the highest salary?
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Q2. Can you describe the projects you have worked on?
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Q3. Write a query to merge 2 tables?
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Q4. Tell me about the internship that you have done?
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Q5. Behavioural questions
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Questions regarding aptitude, pseudocode, and communication skills.

Q1. Tell me about yourself.
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Q2. What was your involvement in your college project?
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It is very easy, questions on all topics are covered.

Q1. What is abstraction and encapsulation?
Ans. 
Abstraction is hiding unnecessary details while encapsulation is bundling data and methods together.
• Abstraction focuses on showing only essential features of an object while hiding unnecessary details.

• Encapsulation involves bundling the data (attributes) and methods (functions) that operate on the data into a single unit.

• Abstraction allows for easier understanding and management of complex systems.

• Encapsulation helps i...read more
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Q2. Write a sql query to update a record
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SQL query to update a record in a database table
• Use the UPDATE statement followed by the table name

• Set the column(s) to be updated using SET keyword

• Specify the new values for the column(s) to be updated

• Use WHERE clause to specify the condition for which record to update
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Q1. Will you able to relocate?
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Yes, I am willing to relocate for the right opportunity.
• I am open to relocating for the right job opportunity

• I have relocated for previous positions and am comfortable with the process

• I understand the importance of being flexible and adaptable in the field of engineering
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Q2. Why Infosys?
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Infosys is a global leader in technology services and consulting, known for its innovative solutions and commitment to excellence.
• Infosys has a strong reputation for delivering high-quality technology solutions to clients worldwide.

• The company offers a wide range of opportunities for professional growth and development.

• Infosys has a culture of innovation and collaboration, which aligns with my own values and career goa
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Basic verbal abilitic and logical reasoning question ,pseudocode and essay writing

Q1. About my internship and projects
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Q2. Area of intrest
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My area of interest is in network security and data encryption.
• I have experience in implementing firewalls and intrusion detection systems.

• I am familiar with encryption algorithms such as AES and RSA.

• I enjoy staying up-to-date on the latest security threats and technologies.

• I have worked on securing networks for financial institutions and government agencies.
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Q3. Osi models and basic networking
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Q4. Why do u want to join infosys
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Q5. Favourite sport
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All was apptitude question and was mcq.

Q1. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows for code reusability and promotes the concept of 'is-a' relationship

• Derived class inherits properties and behaviors of the base class

• Can have multiple levels of inheritance (multi-level inheritance)

• Example: Class 'Car' can inherit from class 'Vehicle', inheriting attributes like 'color' and
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Q2. What do you mean by oops.
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OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
• OOPS is a programming paradigm that uses objects to design applications.

• It focuses on data encapsulation, inheritance, polymorphism, and abstraction.

• Examples of OOPS languages include Java, C++, and Python.
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Q1. Tell me introduction
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Introduction is a brief overview of oneself, including background, experience, and skills.
• Introduce yourself by stating your name and current position.

• Provide a summary of your educational background and relevant experience.

• Highlight key skills and accomplishments that are relevant to the position.

• Conclude with your career goals and why you are interested in the role.
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Q2. Where do you see yourself in 5 years
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In five years, I see myself as a senior system engineer leading a team of talented professionals, implementing cutting-edge technologies, and contributing to the success of the organization.
• Leading a team of system engineers

• Implementing cutting-edge technologies

• Contributing to the success of the organization
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