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Genpact Interview Questions and Answers
Q1. What is Redux and state management?
Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a centralized way.
Redux is a state management library commonly used with React.
It allows for a single source of truth for the state of an application.
Actions are dispatched to update the state, and reducers specify how the state changes in response to actions.
Redux DevTools can be used to track state changes and debug the application.
Selectors can be used to efficiently ...read more
Q2. What is useState?
useState is a hook in React that allows functional components to have state.
useState is a React hook used in functional components to manage state.
It returns an array with the current state value and a function to update that value.
Example: const [count, setCount] = useState(0);
Q3. What's useEffect?
useEffect is a hook in React that allows performing side effects in function components.
Used in React functional components to perform side effects
Executes after render and after every update
Can be used to fetch data, subscribe to events, update the DOM, etc.
Q4. What are the Security aspects?
Security aspects include confidentiality, integrity, availability, authentication, and non-repudiation.
Confidentiality: Protecting sensitive information from unauthorized access.
Integrity: Ensuring data is not modified or tampered with.
Availability: Ensuring systems and data are accessible when needed.
Authentication: Verifying the identity of users or systems.
Non-repudiation: Preventing denial of actions or transactions.
Q5. Are you familiar with SaaS product offering?
Yes, SaaS stands for Software as a Service which is a cloud-based software delivery model.
SaaS products are accessed through the internet and do not require installation on local devices.
SaaS products are subscription-based and offer scalability and flexibility.
Examples of SaaS products include Salesforce, Dropbox, and Google Apps.
Q6. react application working
A React application is a web application built using the React JavaScript library for creating interactive user interfaces.
React applications are built using components, which are reusable pieces of code that represent a part of the user interface.
React uses a virtual DOM to efficiently update the actual DOM based on changes in the application state.
React applications can be created using tools like Create React App or by setting up a custom build configuration.
State manageme...read more
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