Iprogrammer Solutions Node JS Developer Interview Questions and Answers

Q1. Linked list question to detect cycle
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Q2. Basic questions from JS
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Q1. Some questions related to my projects
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Q2. Some Questions related to my past experience
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3 coding questions and some McQ questions

Q1. Asked DSa question of TWO sum
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Q2. Dsa question of three sum
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Q1. Dsa question of merge sort
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Q2. DBMS interview questions
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Q3. Operating system questions
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Logical reasoning and Aptitude

Functions with Pointers and strings concepts

Q1. Mainly on Pointers and Dynamic Memory Allocation of 2-D Array
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Q2. Structure Padding and Packing
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First round is online test of 3 virtual rounds consist of aptitude , and coding

Q1. Matrix multiplication
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Q2. Singly linked list
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A singly linked list is a data structure where each element points to the next element in the list.
• Each node in the list contains data and a reference to the next node

• Traversal starts from the head node and follows the next pointers until the end

• Insertion and deletion can be done efficiently at the beginning or end of the list
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Q1. What is difference between springboot and spring
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Spring is a framework for building Java applications, while Spring Boot is a tool that simplifies the setup and configuration of Spring applications.
• Spring is a comprehensive framework that provides support for various functionalities like dependency injection, aspect-oriented programming, and more.

• Spring Boot is an opinionated tool that simplifies the setup and configuration of Spring applications by providing default...read more
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Q2. Explaing springboot annotation
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Spring Boot annotations are used to simplify the development process by providing shortcuts for common configurations and functionalities.
• Annotations like @SpringBootApplication, @RestController, @Autowired, @ComponentScan are commonly used in Spring Boot applications.

• Annotations help in reducing boilerplate code and configuring various aspects of the application.

• For example, @SpringBootApplication is used to mark the ...read more
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Q3. How do you use JPA in your project write it
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I use JPA in my project by defining entity classes, annotating them with JPA annotations, creating repositories, and using JPQL queries.
• Define entity classes with @Entity annotation

• Annotate fields with @Column, @Id, @GeneratedValue, etc.

• Create repositories by extending JpaRepository interface

• Use JPQL queries for custom database operations
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Q1. How microservices communicate in your project
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Microservices communicate through REST APIs and messaging queues in our project.
• Microservices communicate with each other using REST APIs for synchronous communication.

• Messaging queues like Kafka or RabbitMQ are used for asynchronous communication between microservices.

• Service discovery tools like Eureka or Consul are used to locate and communicate with other microservices.

• Microservices may also use gRPC for communicat
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Q2. Which design pattern used in your last project
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Q1. Asked about all projects
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Q2. Team size and agile methodology
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Q1. Why are you leaving current organization
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Q2. What do you know about Emtec
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Emtec is a global IT consultancy that provides technology solutions and services to help organizations drive digital transformation.
• Provides IT consultancy services

• Specializes in technology solutions

• Helps organizations with digital transformation
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Q1. Experience in domains
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Q2. Previous companies
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Q1. SQL basic questions
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Q2. .net and OOP basics
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1 round is coding round in pan paper test atleast 5 coding questions and some multiple questions and 1 DSA questions and 4 coding questions correct and dsa correct than interview