CommVault Software Developer Interview Questions and Answers

Java internals, coding questions 2sum

Q1. Hld of your previous project
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs for backend using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q2. Question related to self build projects
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Q1. Salary negotiation
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Q2. Location constrain if any
Ans. 
Open to relocation for the right opportunity
• Willing to relocate for the right job opportunity

• Flexible with location for the right role

• Open to considering different locations for the right position
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Please inquire about the fundamentals of computer science, including object-oriented programming, data structures and algorithms, database management systems, and computer networks.

Q1. Tell me about yourself, availability, visa-related questions
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Dynamic programming questions, longg time to complete the 2 questions

Problem solving : a clock with 3 hands, no numbers written, guess what it is

Q1. Tell me about your self
Ans. 
I am a passionate software developer with 5 years of experience in building web applications using various technologies.
• 5 years of experience in software development

• Proficient in building web applications

• Skilled in using various technologies
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Q2. Resume discussion
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Interview for backend developer with experience in django

Q1. Writing ORM queries in django
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Q2. Database design with foregin and many to many fields
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Q3. Explain django's request response flow
Ans. 
Django's request response flow involves the request being handled by URL dispatcher, views, middleware, and templates before generating a response.
• Request is received by URL dispatcher which maps the URL to a view function

• View function processes the request, interacts with models if needed, and returns a response

• Middleware can intercept the request and response for additional processing

• Templates are used to generate HT
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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. Core java, spring boot
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