Infosys System Engineer Interview Questions, Process, and Tips

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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Aptitude test consists of topics like percentages ,profits and loss like this they covered all the topics there is verbal ability also

Q1. Explain four pillars of oops
Ans. 
The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java.

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Subclass extending a superclass.

• Polymorphism: Ability to present the same interface for different data types. Example: Method overl...read more
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Q2. About projects
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Q1. What is your day to day life what do you do as accordingly to your roles and what are your responsibilities in previous company
Ans. 
As a system engineer, I am responsible for designing, implementing, and maintaining computer systems and networks to ensure they operate efficiently and securely.
• Designing and implementing computer systems and networks

• Troubleshooting and resolving technical issues

• Monitoring system performance and security

• Collaborating with other IT professionals and departments

• Creating and maintaining documentation for systems and proc
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Q2. What is your currentctc
Ans. 
My current CTC is $80,000 per year.
• My current CTC is $80,000 per year

• I am currently earning $80,000 annually

• My current salary package is $80,000 per annum
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Verbal aptitude,reasoning

Q1. Tell me about youself
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Q2. Explain your project
Ans. 
Developed a system to automate network monitoring and alerting
• Implemented SNMP monitoring to track network devices

• Configured alerts for network outages and performance issues

• Integrated with ticketing system for automatic incident creation
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Q3. Write a program to reverse a string
Ans. 
Program to reverse a string using array of characters
• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string
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Q4. Your strengths and weakness
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