Infosys System Engineer Interview Questions and Answers for Freshers

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?
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
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Q3. Given a puzzle to solve
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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...read more
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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.
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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...read more
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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...read more
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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
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Q2. About projects
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Q1. What is global and local variable?
Ans. 
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 functi...read more
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Q2. Write for loop to print elements
Ans. 
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)
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Q3. What is class and method
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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.
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