Xerago Interview Questions, Process, and Tips

Q1. Coding related interview questions and answers. 1. What is the syntax for sas
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Q2. 2. How to print a graps.
Ans. 
To print a graph, you can use data visualization libraries like Matplotlib or Seaborn in Python.
• Use Matplotlib library in Python to create and display graphs.

• Import matplotlib.pyplot module to access plotting functions.

• Use functions like plt.plot() or plt.scatter() to create different types of graphs.

• Finally, use plt.show() to display the graph on the screen.
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Q3. What is the procedure execution of grap
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The procedure execution of grap involves defining the graph structure, adding nodes and edges, and performing various graph operations.
• Define the graph structure by creating a graph object

• Add nodes to the graph using the add_node() method

• Add edges between nodes using the add_edge() method

• Perform graph operations such as traversal, shortest path finding, and connectivity checking
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Q1. What is react js virtual dom? what is diff algorithm?
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React's Virtual DOM optimizes UI updates by minimizing direct manipulation of the real DOM, enhancing performance.
• The Virtual DOM is a lightweight copy of the actual DOM, allowing React to manage changes efficiently.

• When a component's state changes, React creates a new Virtual DOM tree and compares it to the previous one.

• The diffing algorithm identifies changes between the old and new Virtual DOM trees, determining the...read more
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Q2. What is redux?
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Redux is a predictable state container for JavaScript apps, enabling centralized state management and easier debugging.
• Centralized State Management: Redux stores the entire application state in a single store.

• Predictable State Updates: State changes are made through pure functions called reducers.

• Actions: State changes are triggered by dispatching actions, which are plain JavaScript objects.

• Middleware: Redux supports m...read more
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Q3. What is hook system in react js
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React hooks are functions that let you use state and lifecycle features in functional components.
• Hooks allow functional components to manage state using the useState hook. Example: const [count, setCount] = useState(0);

• useEffect hook enables side effects in functional components, replacing lifecycle methods. Example: useEffect(() => { /* effect */ }, [dependencies]);

• Custom hooks can be created to encapsulate reusabl...read more
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Q4. How to use of useeffect in react js
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useEffect is a React Hook that allows you to perform side effects in function components.
• useEffect takes two arguments: a function and a dependency array.

• The function runs after the component renders, allowing for side effects like data fetching.

• Example: useEffect(() => { fetchData(); }, []); fetchData is called once after the initial render.

• If the dependency array contains variables, the effect runs again when thos...read more
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Q5. How to use useref and useReducer?
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useRef and useReducer are React hooks for managing state and references in functional components.
• useRef: Creates a mutable object that persists for the full lifetime of the component.

• Example: const inputRef = useRef(null); <input ref={inputRef} />

• useReducer: An alternative to useState for managing complex state logic.

• Example: const [state, dispatch] = useReducer(reducer, initialState);

• Combining both: useRef can h...read more
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Q1. Introduced yourself
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Q2. Salary expectations
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Q1. Difference between adobe and google analytics?
Ans. 
Adobe Analytics is more focused on marketing and advertising data, while Google Analytics is more user-centric and provides insights on website traffic and user behavior.
• Adobe Analytics is often used for tracking marketing campaigns and measuring ROI.

• Google Analytics provides detailed information on website traffic, user behavior, and conversions.

• Adobe Analytics offers more advanced segmentation and attribution modelin...read more
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Q2. Any knowledge in tagging / implementation?
Ans. 
Yes, I have experience in tagging and implementation.
• Proficient in implementing tracking tags for web analytics tools such as Google Analytics and Adobe Analytics

• Experience in setting up event tracking, custom dimensions, and custom metrics

• Knowledge of tag management systems like Google Tag Manager and Tealium

• Understanding of JavaScript and HTML for tag implementation

• Ability to troubleshoot and debug tagging issues
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Logical questions,Excel