Infosys System Engineer Interview Questions, Process, and Tips

Q1. Explain Oop concepts with examples ,what is static variable, conditions operator, arithmetic operator
Ans. 
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction. Static variables are shared among all instances of a class.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class)

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

• Polymorphism: Ability for objects to be treated as instances of their parent class

• Abstraction: Hiding the im...read more
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Q2. What is data base and their types why we use db jions conditions
Ans. 
A database is a collection of organized data that can be easily accessed, managed, and updated. There are different types of databases such as relational, NoSQL, and object-oriented databases.
• Types of databases include relational databases (e.g. MySQL, Oracle), NoSQL databases (e.g. MongoDB, Cassandra), and object-oriented databases (e.g. db4o).

• We use database joins to combine rows from two or more tables based on a re...read more
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Q3. Tell me about your self
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Q4. Do you have any questions
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Its very easy
Basic maths questions learned up to 10
Basic Apptitude questions

Q1. Tell me about your self Hi My name is Vikram Adithya I am an hard working and passionate engineering student currently perceiveing in gokaraju rangaraju institute of engineering and technology .I stay with...read more
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Q2. Intervier asked about what kind of problems did you solved in leetcode? I said palindrome factorial matrix multiplication etc . Intervier said every one can solve this
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Q3. He asked me about my project role i said I have done documentation in my project he said every one can do that
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Q4. He asked me to write project code
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Q5. He asked me any questions
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Duration was 1.5 hrs. Questions were asked on topics like aptitude, reasoning , puzzle solving and verbal ability. Also a topic was given on which candidates were expected to write an essay. Overall the difficulty level was easy to medium.

Q1. Introduce Yourself
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Q2. Explain about your projects (mentioned in resume)
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Q3. Have you got any certifications on cloud technologies?
Ans. 
Yes, I have certifications in AWS and Azure cloud technologies.
• Certified AWS Solutions Architect

• Microsoft Certified: Azure Administrator Associate

• Completed training courses on Google Cloud Platform
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Q4. What do you do in your free time?
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Q5. Explain about Encapsulation (OOPS concept)
Ans. 
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for data hiding, which prevents outside code from directly accessing an object's internal state.

• Access to the data is typically controlled through public methods (getters and setters) defined in the cl...read more
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Q6. Tell about your previous intern/work experience if any
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Q7. What is the one thing that you can say about you for which haven't been noticed by others and credited?
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Q8. Questions about schooling, CGPA in college
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General Aptitude , Grammar MCQ and Essay Writing

Q1. Tell me about yourself?
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Q2. Which Language are you Familiar ?
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Q3. Basic Questions from oops and dbms
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Q4. Why did you choose Infosys ?
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Q5. Questions from my project
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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
Ans. 
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.
Ans. 
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
Ans. 
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
Ans. 
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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Simple quant, reasoning, verbal and essay writing

Q1. Introduction and about projects
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Q2. Coding question like 2nd highest number and count a particular word from a string
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Q3. Some situation based question
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