Infosys System Engineer Interview Questions, Process, and Tips

Q1. Describe Oops concept with real world examples?
Ans. 
Oops concept is a programming paradigm that focuses on objects and classes to organize code and improve reusability.
• Oops concept stands for Object-Oriented Programming System

• It includes concepts like inheritance, polymorphism, encapsulation, and abstraction

• Real world examples include a car (object) with properties like color, model, and methods like start, stop, accelerate

• Another example is a bank account (object) with...read more
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Q2. What is SDLC and explain each stage?
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• 1. Planning: Define the project scope, requirements, and create a project plan.

• 2. Analysis: Gather and analyze requirements from stakeholders.

• 3. Design: Create a detailed design of the software based on requirements.

• 4. Implementation: Develop the software based on the...read more
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Q3. Explain in detaild the project you did in your academic?
Ans. 
Developed a smart irrigation system using IoT technology
• Researched different IoT sensors and devices for monitoring soil moisture levels

• Designed a mobile application for users to remotely control the irrigation system

• Implemented machine learning algorithms to predict optimal watering schedules

• Conducted field tests to validate the system's effectiveness

• Presented the project at a university symposium
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In the first round, multiple-choice questions based on aptitude are administered.

Q1. Java Core concepts
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Q2. Mysql basics
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It was a great experience and a platform to assess my aptitude skills

Q1. Some questions on OOPS
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Q2. Write query on joining 2 tables and display top 5 employee
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Q1. Tell me something about yourself
Ans. 
I am a dedicated and experienced System Engineer with a strong background in network infrastructure and troubleshooting.
• Experienced in designing, implementing, and maintaining network systems

• Proficient in troubleshooting hardware and software issues

• Skilled in working with various operating systems such as Windows, Linux, and Unix

• Certified in network security protocols such as CISSP or CCNA
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Q2. Why do you want to join us
Ans. 
I am excited about the innovative projects and collaborative team environment at your company.
• I am impressed by the company's reputation for cutting-edge technology and solutions.

• I am eager to work with a team of talented professionals who share my passion for problem-solving.

• I believe that my skills and experience align well with the company's goals and objectives.
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Q1. What is relational database
Ans. 
Relational database is a type of database that stores and provides access to data points that are related to one another.
• Organized into tables with rows and columns

• Uses SQL for querying and managing data

• Supports relationships between tables through keys

• Examples: MySQL, PostgreSQL, Oracle
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Q2. What are tuples in python
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Tuples in Python are immutable sequences of elements, typically used to store related data.
• Tuples are created using parentheses () and can contain elements of different data types

• Tuples are immutable, meaning their elements cannot be changed once they are created

• Tuples can be used to return multiple values from a function or as keys in dictionaries
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