Nagarro Associate Principal Engineer Interview Questions and Answers

50 questions in 60 minutes which contain MCQ's and javascript questions

Q1. Questions regarding callstack, reducer actions etc
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Q1. How will you prevent docker container from assuming root user role?
Ans. 
To prevent a docker container from assuming root user role, use non-root users, drop privileges, and utilize user namespaces.
• Create a non-root user in the Dockerfile with appropriate permissions

• Use the USER instruction in the Dockerfile to switch to the non-root user

• Utilize user namespaces to map the container's root user to a non-root user on the host system

• Drop privileges within the container to limit the capabilitie...read more
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Q2. Difference between Kafka & rabbitMQ
Ans. 
Kafka is a distributed streaming platform while RabbitMQ is a message broker.
• Kafka is designed for high-throughput, fault-tolerant, real-time data processing.

• RabbitMQ is a traditional message broker that follows the AMQP protocol.

• Kafka uses a publish-subscribe model while RabbitMQ uses a message queue model.

• Kafka is horizontally scalable and provides strong durability guarantees.

• RabbitMQ supports multiple messaging pro...read more
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Q3. Does java Streams API use fail-safe or fail-fast iterator
Ans. 
Java Streams API uses fail-fast iterator
• Java Streams API uses fail-fast iterator, which throws ConcurrentModificationException if the collection is modified while iterating

• Fail-fast iterators immediately throw an exception if the collection is modified during iteration

• This behavior helps in detecting and preventing concurrent modification issues
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Logical
Aptitude test, trignometry, patterns and more questions.
It was tough.

Project managerment and scrum related aptitude questions. This was related to your current role so was not so difficult.

Q1. Detailed interview about the role , which was technical and scenario based as well.
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Q1. This was again 1hr detailed analysis, technical, theorotical, scenario based and scrum events related, budgetting related. PM FINance budget margin scrum team and challenges and roles All this was covered ...read more
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Q1. This was with the Delivery manager, lasted 30mins covering my current roles and area i work into and also covered some role related questions.
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Q1. This was the 6th and final round 🥲 This was straight forward 30mins discussions asking all possible questions and salary expectations discussion.
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Q1. MCQ round on technology
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Q2. Project description
Ans. 
Led a cross-functional team to develop a scalable software solution for real-time data processing in cloud environments.
• Implemented microservices architecture to enhance scalability and maintainability.

• Utilized AWS services like Lambda and S3 for efficient data storage and processing.

• Conducted regular code reviews to ensure high-quality standards and best practices.

• Collaborated with stakeholders to gather requirements ...read more
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