3i Infotech Junior Assistant Interview Questions, Process, and Tips for Experienced

Q1. Exceptions and thread implementation
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Q2. Basics of restful web services
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Q1. Finding the second maximum number in the list
Ans. 
To find the second maximum number in a list, sort the list in descending order and return the second element.
• Sort the list in descending order

• Return the second element in the sorted list
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Q1. Loops in Informatica
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Loops in Informatica are used to iterate over a set of data or perform repetitive tasks.
• Loops in Informatica can be implemented using the 'Expression' or 'Router' transformations.

• They are useful for processing multiple rows of data in a mapping.

• Common types of loops include 'While' and 'For' loops.

• Loops can help in performing complex data transformations and validations.
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Q1. What is the reason for change
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Two coding round in Javascript, first one to right CRUD operation in React.

Second one have to right JS for Flattened Array

Q1. Asking about Salary Structure
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Q1. Explain random forest
Ans. 
Random forest is an ensemble learning method that builds multiple decision trees and merges them to improve accuracy and prevent overfitting.
• Random forest is a type of ensemble learning method.

• It builds multiple decision trees during training.

• Each tree is built using a subset of the training data and a random subset of features.

• The final prediction is made by averaging the predictions of all the individual trees.

• Random...read more
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Q2. What is boosting
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Boosting is a machine learning ensemble technique where multiple weak learners are combined to create a strong learner.
• Boosting is an iterative process where each weak learner is trained based on the errors of the previous learners.

• Examples of boosting algorithms include AdaBoost, Gradient Boosting, and XGBoost.

• Boosting is used to improve the accuracy of models and reduce bias and variance.
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Q1. Ready to sign bond of 2 years and relocate to Hyderabad
Ans. 
Yes, I am willing to sign the bond and relocate to Hyderabad.
• I am excited about the opportunity to work in Hyderabad.

• I understand the importance of signing a bond and am willing to commit to it.

• I am open to new experiences and challenges.

• I have researched the city and am comfortable with the relocation.

• I am confident that I can contribute to the company's success in Hyderabad.
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Q1. Html: seo, semantic, form validation, input types, types of storages
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Q2. Css: Units, flex box, center div, box model
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Q3. Js : map, filter, output based questions, arrow function
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Q4. React: state management, optimization, context api
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Q1. Load elements according to the scroll, css animations, promise, testing library
Ans. 
Loading elements based on scroll, using CSS animations, promises, and testing libraries.
• Use Intersection Observer API to load elements based on scroll position

• CSS animations can be used to add visual effects to elements

• Promises can be used to handle asynchronous operations

• Testing libraries like Jest can be used to test code functionality
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Q1. Why valuelabs, what you know about value labs, willing to work from office, shift timmings.
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Q1. About technical Roles and responsibilities Project description
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Q1. Technical questions related my domain
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Q1. Client round overall performance
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