Entrata Full Stack Developer Interview Questions and Answers

Medium level leetcode question

Q1. Explain about your project
Ans. 
Developed a web application for managing inventory and sales for a retail store.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for secure access
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Q2. Explain functionalities in detail
Ans. 
Functionalities in software development refer to the specific tasks or actions that a software program can perform.
• Functionalities are the specific features or capabilities of a software program.

• They define what the software can do and how it can be used.

• Examples of functionalities include user authentication, data encryption, and file management.

• Functionalities can be implemented through code modules or libraries.

• Test...read more
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Q1. Questions on Ruby on Rails
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Online Coding test reviewed by Hiring Manager

Q1. Are you open for Relocation
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Q1. What is TCP and IP
Ans. 
TCP (Transmission Control Protocol) and IP (Internet Protocol) are the foundational protocols of the internet.
• TCP is responsible for establishing and maintaining a reliable connection between two devices.

• IP is responsible for routing and addressing packets of data across networks.

• TCP/IP together form the basis of internet communication.

• Example: When you visit a website, TCP ensures the data packets are delivered in the...read more
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Q2. What is polymorphism
Ans. 
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It allows for code reusability and flexibility.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They c...read more
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Q3. What is abstract class
Ans. 
An abstract class is a class that cannot be instantiated and is used as a base for other classes.
• An abstract class can have abstract methods that must be implemented by its subclasses.

• It can also have non-abstract methods that can be inherited by its subclasses.

• An abstract class provides a common interface for its subclasses.

• It is used to achieve abstraction and provide a blueprint for other classes.
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Q1. Find third largest in an array
Ans. 
Find the third largest string in an array of strings.
• Sort the array in descending order.

• Skip the first two elements and return the third element.
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Q1. Basic to intermediate.net, EF, SQL, C#, OOP
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Q2. Basics of .Net Core
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Q1. Deep into.net and sql
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Know your resume and your basics

Know class diagrams. Very Huge for workday.

Q1. About company values
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Q1. UML class diagram
Ans. 
UML class diagram is a visual representation of classes, attributes, methods, and relationships in a system.
• Classes are represented as boxes with three compartments for class name, attributes, and methods.

• Attributes are listed in the second compartment with their data types.

• Methods are listed in the third compartment with their parameters and return types.

• Relationships between classes are shown using lines with arrows ...read more
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Competency based questions

40 minutes 3o question vat