Infosys Interview Questions, Process, and Tips for Experienced

Q1. Oops Concept and mvc architecture
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Q1. Java 8 related questions with some basic coding using java 8.
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Q2. Print some thing java 8 lambda expression
Ans. 
Using lambda expressions in Java 8 to print a message
• Use the lambda syntax (parameters) -> { body } to define the behavior

• Example: () -> System.out.println("Hello, World!")
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Q1. Project related questions and some coding questions
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Q1. Work Details, education details
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Q1. Explain Agile Process
Ans. 
Agile process is a flexible and iterative approach to project management.
• Agile involves breaking down projects into small increments called sprints

• It emphasizes collaboration, adaptability, and customer feedback

• Common Agile methodologies include Scrum, Kanban, and Extreme Programming
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Q2. Explain MVC architecture
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MVC is a software design pattern that separates an application into three main components: Model, View, and Controller.
• Model represents the data and business logic of the application

• View is responsible for displaying the data to the user

• Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly
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Q1. Why Microservice architecture
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Microservice architecture allows for scalability, flexibility, and easier maintenance of complex systems.
• Scalability: Microservices can be independently scaled based on demand, allowing for better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, enabling faster innovation.

• Easier maintenance: With smaller, focused services, it is easier to identify and fix issues...read more
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Q1. Asked about previous project experience
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Q2. Working of different decoder
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Decoders are electronic circuits that convert coded inputs into a set of outputs based on specific rules.
• Decoders take binary inputs and produce multiple outputs based on the input code.

• They are commonly used in digital electronics to select one of multiple options based on the input signal.

• Examples of decoders include 2-to-4 line decoder, 3-to-8 line decoder, and BCD to 7-segment decoder.
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Q3. Different lookup tables and their uses
Ans. 
Lookup tables are used to quickly retrieve data based on a key value.
• Lookup tables are commonly used in databases to store data that needs to be accessed frequently.

• They can be used for mapping codes to descriptions, such as converting a product code to a product name.

• Lookup tables can also be used for translating data, such as converting abbreviations to full names.

• They are useful for improving query performance by re
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Q4. Mediation flow of different call scenario
Ans. 
Mediation flow of different call scenarios involves guiding parties towards a resolution through communication and negotiation.
• Identify the issue or conflict at hand

• Listen to each party's perspective and concerns

• Facilitate communication between parties

• Encourage empathy and understanding

• Help parties brainstorm potential solutions

• Guide parties towards a mutually agreeable resolution
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Q5. Discussed one scenario handled previously
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Apps , Quants , Logistics

Q1. Difference between C and Python
Ans. 
C is a low-level programming language with manual memory management, while Python is a high-level language with automatic memory management.
• C is a compiled language, while Python is an interpreted language.

• C is statically typed, while Python is dynamically typed.

• C requires more lines of code for simple tasks compared to Python.

• C is closer to the hardware and allows for more control over system resources.

• Python has a si
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Q2. What you learned these 4 years?
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Q3. Any Questions from my end?
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Q4. Write a code in python and C
Ans. 
Code snippets in Python and C for System Engineer interview question
• Use Python for high-level scripting and C for low-level system programming

• Python example: ```python print('Hello, World!') ```

• C example: ```c #include int main() { printf('Hello, World!'); return 0; } ```
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Q5. Explain your mini project
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