Bain Capability Network Performance Analyst Interview Questions and Answers

1st round was consist of mcq questions the difficulty level was moderate to hard.

Python basic leet code

Q1. Sql test rank,dense rank, rownum
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Q1. General SOM and FEA questions Hypermesh related questions
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Q1. Experience on AWS and spring boot
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Q2. Principles to be followed while designing microservices application
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Design microservices with loose coupling, high cohesion, and fault tolerance.
• Decompose the application into small, independent services

• Use API gateways for service discovery and routing

• Implement fault tolerance with circuit breakers and retries

• Ensure each service has a single responsibility and is highly cohesive

• Use asynchronous communication between services

• Implement security and authentication at the API gateway leve...read more
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Q1. Explain about past projects.
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Q2. Technology on which you worked.
Ans. 
I have worked on various technologies including Java, Python, AWS, and Docker.
• Developed RESTful APIs using Java and Spring framework

• Implemented machine learning models using Python and scikit-learn library

• Deployed applications on AWS using EC2, S3, and RDS

• Containerized applications using Docker for easy deployment and scaling
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Q3. C language basic but important concepts related to Data type, pointer, etc.
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Q4. Python knowledge check.
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Q1. What is spring boot
Ans. 
Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based applications.
• Spring Boot simplifies the process of creating Spring applications by providing a set of default configurations.

• It allows for easy setup of Spring projects with minimal configuration.

• Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy applications.

• It provides product...read more
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Q2. What is serialisation
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Serialisation is the process of converting an object into a stream of bytes to store or transmit data.
• Serialisation is used to save the state of an object and recreate it when needed.

• It allows objects to be converted into a format that can be easily stored or transmitted.

• Common examples include JSON, XML, and binary serialisation.

• Serialisation is important for data persistence and inter-process communication.
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