AC INFOTECH Interview Questions and Answers

Q1. Tell me about yourself?
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Q2. What is your skills?
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Q1. Tell me about selenium
Ans. 
Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium supports multiple programming languages such as Java, Python, C#, etc.

• It allows testers to write test scripts in a variety of formats like HTML, Java, C#, etc.

• Selenium can automate web browsers across different platforms like Windows, Mac, Linux, etc.
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Q2. Expalin java inheritance ana polymorphism
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Q3. WHich tool you have used
Ans. 
I have used various tools such as Microsoft Excel, Google Analytics, and Adobe Photoshop.
• Microsoft Excel for data analysis and reporting

• Google Analytics for website traffic analysis

• Adobe Photoshop for graphic design
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Q1. What were the reasons for leaving your previous organization?
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Q1. What is the difference between microeconomics and macroeconomics?
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Bunch of quant probability questions

Bunch of dp and graph theory

Basic aptitude questions like CAT level

Leetcode questions were there

Q1. Introduction , guesstimate , DSA question
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Q2. Puzzles
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Q1. How to run linear regression model in R
Ans. 
To run a linear regression model in R, use the lm() function with the formula specifying the relationship between variables.
• Use the lm() function to fit a linear regression model, specifying the formula with the dependent and independent variables.

• For example, to predict sales based on advertising spend, use lm(sales ~ advertising, data = dataset).

• Use summary() to view the results of the linear regression model, includ...read more
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Q2. How to run linear regression model without intercept in R
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To run linear regression model without intercept in R, set the intercept parameter to 0
• Set the intercept parameter to 0 in the lm() function in R

• Example: lm(y ~ x - 1, data = dataset) will fit a linear regression model without intercept
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Q1. General Introduction & HR Experience
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