AdPushup Interview Questions and Answers

Q1. Where do you see yourself after 5 years.
Ans. 
In five years, I envision myself as a skilled professional, contributing significantly to my field and leading innovative projects.
• I aim to have advanced my skills through continuous learning and professional development, such as obtaining relevant certifications.

• I see myself taking on leadership roles, perhaps managing a team or leading projects that drive impactful results.

• I hope to be involved in innovative projects...read more
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Q2. What's your weakness
Ans. 
I tend to be overly critical of my work, which can slow down my progress but helps me maintain high standards.
• I often spend extra time reviewing my work to ensure it's perfect, which can lead to missed deadlines.

• For example, during a group project, I focused too much on perfecting my section, causing delays for the team.

• I've learned to set time limits for revisions to balance quality and efficiency.

• I also seek feedback...read more
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Q1. Tell us about a project you've worked on using the MERN stack.
Ans. 
Developed a task management application using the MERN stack to streamline team collaboration and project tracking.
• Utilized MongoDB for database management, storing user tasks and project details.

• Implemented Express.js to create RESTful APIs for task CRUD operations.

• Used React.js for building a responsive user interface, allowing users to add, edit, and delete tasks seamlessly.

• Incorporated Node.js for server-side logic...read more
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Q2. How do you manage routes in a MERN stack application?
Ans. 
Managing routes in a MERN stack involves defining API endpoints and client-side routes for seamless navigation and data handling.
• Use Express.js for backend routing: Define routes in a separate file, e.g., 'routes/user.js'.

• Implement RESTful API conventions: Use GET, POST, PUT, DELETE methods for CRUD operations.

• Utilize React Router for client-side routing: Set up routes in 'App.js' using <BrowserRouter> and <Ro...read more
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Q1. React hooks related How to use them
Ans. 
React hooks are functions that let you use state and lifecycle features in functional components.
• useState: Allows you to add state to functional components. Example: const [count, setCount] = useState(0);

• useEffect: Lets you perform side effects in function components. Example: useEffect(() => { document.title = `Count: ${count}`; }, [count]);

• useContext: Provides a way to pass data through the component tree without ...read more
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Q2. About web socket real time messaging
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Q3. About react router dom
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Based on my CV, they assigned me a task related to data migration.

Q1. Project reviews
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Q2. Attendance regarding
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Q1. What is supervised learing
Ans. 
Supervised learning is a machine learning approach where a model is trained on labeled data to make predictions or classifications.
• Involves training a model on a dataset with input-output pairs.

• Common algorithms include linear regression, decision trees, and support vector machines.

• Used for tasks like spam detection (classifying emails) and image recognition (identifying objects in images).

• The model learns from the lab...read more
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Q2. What is mse
Ans. 
MSE, or Mean Squared Error, is a common metric used to measure the average squared difference between predicted and actual values.
• MSE is calculated as the average of the squares of the errors: MSE = (1/n) * Σ(actual - predicted)².

• A lower MSE indicates a better fit of the model to the data.

• For example, if actual values are [3, -0.5, 2] and predicted values are [2.5, 0.0, 2], MSE = (1/3) * ((3-2.5)² + (-0.5-0)² + (2-2)²)...read more
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Q1. What is the main difference btwn java and java script?
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Q2. Differentiate thread and process
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