ValueLabs Interview Questions, Process, and Tips

Q1. What are props in react
Ans. 
Props in React are used to pass data from a parent component to a child component.
• Props are read-only and cannot be modified by the child component.

• Props can be any type of data, such as strings, numbers, arrays, or objects.

• Props are passed down through the component tree using custom attributes.
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Q2. Difference between redux and context api
Ans. 
Redux is a state management library for React, while Context API is a feature in React for passing data through the component tree without having to pass props down manually.
• Redux is a separate library that provides a centralized store for managing state in a React application.

• Context API is a feature in React that allows you to pass data through the component tree without having to pass props down manually at every le...read more
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Q1. What is Event Loop In NodeJS?
Ans. 
Event Loop in NodeJS is a mechanism that allows NodeJS to perform non-blocking I/O operations by offloading operations to the system kernel.
• Event Loop is responsible for handling asynchronous operations in NodeJS.

• It allows NodeJS to perform multiple operations concurrently without blocking the execution.

• Event Loop continuously checks the event queue for any pending tasks and executes them in a non-blocking manner.

• Examp...read more
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Q2. What is Cluster ?
Ans. 
A cluster is a group of interconnected computers that work together to perform a task or provide a service.
• Clusters are used to improve performance, scalability, and availability of applications.

• They can be categorized into different types such as high availability clusters, load balancing clusters, and parallel processing clusters.

• Examples of clusters include Hadoop clusters for big data processing and Kubernetes clus
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Implement TODO List with ReactJS

Q1. Dependency Injection
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Q2. Angular json file
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Q1. RAG process explanantion
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Python,automation framework,scrum,team management

Q1. Tell me about your project Manual testing questions Questions regarding the skills listed in resume
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Q2. What is Requirement tracebility
Ans. 
Requirement traceability is the ability to trace requirements throughout the software development process.
• It involves linking requirements to test cases to ensure all requirements are tested.

• It helps in understanding the impact of changes on requirements and vice versa.

• It ensures that all requirements are met and validated during testing.

• Examples: linking user stories to test cases, tracking changes in requirements doc
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Q3. Agile process and explain
Ans. 
Agile process is a software development methodology that emphasizes flexibility, collaboration, and iterative development.
• Agile process involves breaking down projects into small, manageable tasks called user stories.

• It focuses on frequent communication and collaboration between team members.

• Iterations, or sprints, are used to deliver working software incrementally.

• Feedback from stakeholders is incorporated throughout ...read more
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Q4. Retrospect meeting
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Q5. Scenario based questions to derive test scenarios
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