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Infosys System Engineer Interview Questions and Answers
646 Interview questions
Effectiveness of client advocacy efforts can be measured through various metrics and feedback mechanisms.
Track engagement metrics: Monitor social media shares, likes, and comments to gauge public interest.
Conduct surveys: Use pre- and post-advocacy surveys to assess changes in client awareness and attitudes.
Analyze case studies: Review specific instances where advocacy led to tangible outcomes, such as policy chan...
Global variables are accessible throughout the program, while local variables are confined to the block or function where they are defined.
Global variables are declared outside of functions and can be accessed anywhere in the code.
Local variables are declared within a function or block and can only be accessed within that scope.
Example of a global variable: `int globalVar = 10;`
Example of a local variable: `void f...
A class is a blueprint for creating objects, while a method is a function defined within a class that operates on its data.
A class encapsulates data and behavior in object-oriented programming.
Example: class Car { } defines a Car class.
A method is a function that belongs to a class.
Example: class Car { void drive() { } } defines a drive method.
A for loop iterates through an array to print each element sequentially.
Use a for loop syntax: for (initialization; condition; increment) { }
Example: for (int i = 0; i < array.length; i++) { System.out.println(array[i]); }
In JavaScript: for (let i = 0; i < array.length; i++) { console.log(array[i]); }
In Python: for element in array: print(element)
C is a high-level programming language known for its efficiency and control over system resources.
Developed in the early 1970s at Bell Labs.
Used for system programming, embedded systems, and application development.
Supports procedural programming and low-level memory manipulation.
Example: Writing operating systems like UNIX.
C is the foundation for many modern languages like C++, C#, and Java.
What are the roles & responsibilities of a System Engineer at Infosys?
Read full roles & responsibilities 
Java is a high-level, object-oriented programming language designed for portability and ease of use across platforms.
Developed by Sun Microsystems in 1995, now owned by Oracle.
Java is platform-independent due to the Java Virtual Machine (JVM).
It follows the principle of 'Write Once, Run Anywhere' (WORA).
Commonly used for web applications, mobile apps (Android), and enterprise software.
Example: Java is used in popu...
Infosys HR Interview Questions
Reversing a number involves converting it to a string, reversing the string, and converting it back to a number.
Convert the number to a string: e.g., 123 becomes '123'.
Reverse the string: '123' becomes '321'.
Convert the reversed string back to a number: '321' becomes 321.
Handle negative numbers: -123 becomes '-321'.
Consider leading zeros: 100 becomes '001', which is 1.
Method overriding allows a subclass to provide a specific implementation of a method already defined in its superclass.
Occurs in object-oriented programming (OOP) when a subclass redefines a method of its superclass.
The method in the subclass must have the same name, return type, and parameters as the method in the superclass.
Example: If a superclass has a method 'draw()', a subclass can override it to provide a s...
OOP is a programming paradigm based on objects, encapsulating data and behavior for modular and reusable code.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).
Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).
Polymorphism: Ability to present the same interface for di...
Fundamental coding concepts include syntax, data structures, algorithms, and debugging, essential for effective programming.
Syntax: The set of rules that defines the combinations of symbols that are considered to be correctly structured programs. Example: In Python, indentation is crucial.
Data Structures: Ways to organize and store data for efficient access and modification. Example: Arrays, linked lists, and hash...
Infosys System Engineer Interview Experiences
1.2k interviews found
Anonymous
I appeared for an interview before Dec 2021.
There was some basic mathematics question and reasoning as well as Pseudo code questions
(2 Questions)
- Q1. Tell me about yourself About my projects Oops concepts Core Java questions Basic C questions
- Q2. 1 coding questions Print prime number between 1-100
- Ans.
Print prime numbers between 1-100
Iterate through numbers 1-100
Check if each number is prime
Print prime numbers
Interview Preparation Tips
Learn minimum one object oriented programming language
And basic aptitude and reasoning
Skills evaluated in this interview
Selected
I appeared for an interview in Jan 2025.
The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.
(5 Questions)
- Q1. Can you tell me about yourself?
- Q2. Can you provide details about your internship experience?
- Ans.
I completed a 6-month internship at a tech company, where I worked on network infrastructure projects.
Assisted in setting up and configuring network devices such as routers and switches
Troubleshooted network issues and implemented solutions
Collaborated with team members on various IT projects
Participated in meetings with clients to discuss project requirements
- Q3. Given a puzzle to solve
- Q4. What can you tell me about your major projects?
- Ans.
I have worked on various major projects including designing and implementing network infrastructure, developing automation scripts, and optimizing system performance.
Designed and implemented a new network infrastructure for a large company, improving network speed and reliability
Developed automation scripts to streamline system monitoring and maintenance tasks, saving time and reducing errors
Optimized system performanc...
- Q5. What is the latest news you have heard regarding technology?
- Ans.
The latest news I heard regarding technology is the release of the new iPhone 13 with improved camera features.
Apple recently announced the release of the iPhone 13 series with upgraded camera capabilities.
The new iPhone 13 models come with improved low-light performance and cinematic mode for videos.
Apple also introduced the A15 Bionic chip for enhanced performance and battery life.
Interview Preparation Tips
Selected
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.
(5 Questions)
- Q1. What is the SQL query to retrieve the person with the highest salary?
- Ans.
Use SQL query with MAX function to retrieve person with highest salary.
Use SELECT statement to retrieve data
Use MAX function to find the highest salary
Use WHERE clause to filter out the person with highest salary
- Q2. Can you describe the projects you have worked on?
- Ans.
I have worked on projects involving network infrastructure upgrades, cloud migration, and cybersecurity enhancements.
Upgraded network infrastructure to improve performance and reliability
Migrated on-premise systems to the cloud for increased scalability and cost savings
Implemented cybersecurity measures such as firewalls and intrusion detection systems
Developed disaster recovery plans to ensure business continuity in c...
- Q3. Write a query to merge 2 tables?
- Ans.
Merge 2 tables using SQL query
Use the JOIN keyword to combine rows from both tables based on a related column
Specify the columns to be selected from each table
Use different types of joins like INNER JOIN, LEFT JOIN, RIGHT JOIN, or FULL JOIN based on the requirement
- Q4. Tell me about the internship that you have done?
- Ans.
I completed a system engineering internship at XYZ Company, where I worked on designing and implementing network infrastructure.
Worked on configuring routers and switches
Assisted in troubleshooting network issues
Collaborated with team members on project planning and execution
- Q5. Behavioural questions
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
Its very easy
Basic maths questions learned up to 10
Basic Apptitude questions
(5 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...
- 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
- Q3. He asked me about my project role i said I have done documentation in my project he said every one can do that
- Q4. He asked me to write project code
- Q5. He asked me any questions
Interview Preparation Tips
If you crack it it is easy to get hired in infosys.
Selected
I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.
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.
(8 Questions)
- Q1. Introduce Yourself
- Ans.
I am a dedicated System Engineer with a passion for optimizing systems and enhancing performance through innovative solutions.
Educational Background: Bachelor's degree in Computer Engineering from XYZ University.
Professional Experience: Over 5 years of experience in system design and implementation at ABC Corp.
Technical Skills: Proficient in Linux, Python, and cloud technologies like AWS and Azure.
Project Example: Led ...
- Q2. Explain about your projects (mentioned in resume)
- Ans.
I worked on various projects focusing on system integration, automation, and performance optimization in diverse environments.
Developed a cloud-based monitoring system that reduced downtime by 30%.
Implemented automation scripts using Python to streamline deployment processes.
Collaborated with cross-functional teams to enhance system performance, resulting in a 20% increase in efficiency.
Led a project to migrate legacy ...
- 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
- Q4. What do you do in your free time?
- 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...
- Q6. Tell about your previous intern/work experience if any
- Ans.
I interned at a tech firm where I developed automation scripts and improved system performance through monitoring tools.
Developed automation scripts using Python to streamline repetitive tasks, reducing processing time by 30%.
Collaborated with a team to implement a new monitoring tool that improved system uptime by 15%.
Participated in troubleshooting sessions, identifying and resolving system issues, which enhanced my ...
- Q7. What is the one thing that you can say about you for which haven't been noticed by others and credited?
- Ans.
I possess a unique ability to connect disparate ideas, fostering innovative solutions that often go unnoticed in team discussions.
I often synthesize information from various fields, leading to creative problem-solving. For example, I combined principles from software engineering and psychology to improve user experience in a project.
During team meetings, I frequently identify underlying patterns in discussions that oth...
- Q8. Questions about schooling, CGPA in college
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. What are sorting algorithms, and can you explain their various types and uses?
- Ans.
Sorting algorithms arrange data in a specific order, crucial for efficient data processing and retrieval.
Types of sorting algorithms include: Bubble Sort, Quick Sort, Merge Sort, and Heap Sort.
Bubble Sort is simple but inefficient for large datasets; it repeatedly steps through the list.
Quick Sort is efficient for large datasets, using a divide-and-conquer approach to sort elements.
Merge Sort divides the array into hal...
- Q2. What is the Software Development Lifecycle (SDLC)?
- Ans.
The Software Development Lifecycle (SDLC) is a structured process for developing software applications through various stages.
1. Requirements Gathering: Identify user needs and system requirements.
2. Design: Create architecture and design specifications for the software.
3. Implementation: Write and compile the code based on design documents.
4. Testing: Validate the software through various testing methods (e.g., unit t...
Interview Preparation Tips
Selected
I appeared for an interview in Feb 2025.
Questions regarding aptitude, pseudocode, and communication skills.
(2 Questions)
- Q1. Tell me about yourself.
- Q2. What was your involvement in your college project?
- Ans.
I was the team leader for our college project on developing a smart home automation system.
Led a team of 5 members in designing and implementing the system
Responsible for project planning, delegating tasks, and ensuring deadlines were met
Implemented features such as voice-controlled lights, temperature control, and security cameras
Presented the project at a college exhibition and received positive feedback
Collaborated ...
Selected
It is very easy, questions on all topics are covered.
(2 Questions)
- 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...
- Q2. Write a sql query to update a record
- Ans.
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
(2 Questions)
- Q1. Will you able to relocate?
- Q2. Why Infosys?
Selected
I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.
General Aptitude , Grammar MCQ and Essay Writing
(5 Questions)
- Q1. Tell me about yourself?
- Q2. Which Language are you Familiar ?
- Ans.
I am familiar with several programming languages, including Python, Java, and Bash, which I use for automation and system management.
Python: Used for scripting and automation tasks, such as data processing and system monitoring.
Java: Familiar with building cross-platform applications and understanding object-oriented programming principles.
Bash: Proficient in writing shell scripts for automating system administration t...
- Q3. Basic Questions from oops and dbms
- Q4. Why did you choose Infosys ?
- Q5. Questions from my project
Interview Preparation Tips
I applied via Campus Placement
................................................................................
(2 Questions)
- Q1. What questions were asked regarding the projects you have completed?
- Ans.
Questions about projects completed in previous roles.
Asked to describe specific projects worked on
Inquired about the technologies used in the projects
Asked about the challenges faced and how they were overcome
Asked about the impact of the projects on the organization
Inquired about the team collaboration and communication during the projects
- Q2. What technologies were used in your project?
- Ans.
The project utilized a variety of technologies including cloud computing, virtualization, automation tools, and network protocols.
Cloud computing (e.g. AWS, Azure)
Virtualization (e.g. VMware, Hyper-V)
Automation tools (e.g. Ansible, Puppet)
Network protocols (e.g. TCP/IP, DNS)
(2 Questions)
- Q1. What are the principles of software engineering?
- Ans.
Principles of software engineering are guidelines that help in the development of high-quality software.
Requirements gathering and analysis
Design
Implementation
Testing
Maintenance
Documentation
Quality assurance
Version control
Continuous integration
Agile development
- Q2. Subqueries, views, joins in SQL
Vimal
I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.
Basic verbal abilitic and logical reasoning question ,pseudocode and essay writing
(5 Questions)
- Q1. About my internship and projects
- 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.
- Q3. Osi models and basic networking
- Q4. Why do u want to join infosys
- Ans.
I want to join Infosys for its innovative culture, growth opportunities, and commitment to technology and client success.
Infosys is a leader in technology and consulting, providing a platform for continuous learning and professional growth.
The company's commitment to innovation aligns with my passion for developing cutting-edge solutions, as seen in their work with AI and automation.
Infosys's diverse work environment f...
- Q5. Favourite sport
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