Nagarro Engineer Trainee Interview Questions and Answers

Q1. Python related libraries and SQL
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Q1. Coding on java 8 streams API
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Python basic leet code

Q1. Sql test rank,dense rank, rownum
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Q1. What are technologies you have worked so far
Ans. 
I have worked with a variety of technologies including Java, Python, SQL, AWS, and Docker.
• Proficient in Java and Python programming languages

• Experience with SQL databases and data modeling

• Familiarity with AWS cloud services and infrastructure

• Knowledge of containerization using Docker

• Experience with version control using Git
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Q2. Project based question
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Q1. DSA questions with low and medium complexity.
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Q1. Reverse a String using Array
Ans. 
Reverse a string using array of characters
• Create an array of characters from the input string

• Use two pointers to swap characters at opposite ends of the array until they meet

• Join the characters in the array to form the reversed string
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Q2. Microservices vs Monilith
Ans. 
Microservices allow for modular, independent services while monolith is a single, cohesive unit.
• Microservices promote scalability and flexibility

• Monoliths are easier to develop and deploy initially

• Microservices can lead to more complex infrastructure and communication between services

• Monoliths can become difficult to maintain and scale as they grow

• Examples: Netflix uses microservices for their streaming platform, while...read more
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Q3. SQL query to get 3 max salary by group
Ans. 
SQL query to get 3 max salary by group
• Use the RANK() function to rank the salaries within each group

• Filter the results to only include rows where the rank is less than or equal to 3

• Order the results by group and salary in descending order
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Q4. CI CD process followed in last project
Ans. 
Implemented CI/CD process using Jenkins for automated builds, tests, and deployments.
• Utilized Jenkins for continuous integration and continuous deployment

• Automated build process triggered by code commits to version control

• Implemented automated testing to ensure code quality

• Deployed code to different environments based on predefined pipelines
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Q5. Major changes in Spring boot 3
Ans. 
Major changes in Spring Boot 3 include support for Java 17, improved performance, and enhanced security features.
• Support for Java 17

• Improved performance optimizations

• Enhanced security features such as OAuth 2.1 support

• Updated dependencies and libraries
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1st round was consist of mcq questions the difficulty level was moderate to hard.

Q1. Interviewer asked the google questions as he is not even aware of my profile , he wanted mw to answer the same and asked few question which is irrelevant to jd
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Q2. Finally after 30 min of interview received a rejection mail after 5 min
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