ICICI Securities Senior Manager Interview Questions, Process, and Tips

Q1. Java basics what is hashmap muti threading
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Q2. Basic java production issue
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Q1. One on one round with HR and HOD
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Q2. How to check if webpage is opening slowly?
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To check if a webpage is opening slowly, you can use tools like Google PageSpeed Insights, Pingdom, or GTmetrix.
• Use tools like Google PageSpeed Insights to analyze the loading speed of the webpage.

• Check the server response time using tools like Pingdom.

• Monitor the page load time and performance metrics with GTmetrix.

• Look for any large files or images that may be slowing down the page.

• Consider optimizing code, compressi...read more
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Q1. Managerial round. Scenario based questions like how to find rca for slowness in web application.
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A problem on portfolio optimization was given.

Q1. What is p-value and A/B testing
Ans. 
P-value is a statistical measure that helps determine the significance of results in hypothesis testing. A/B testing is a method of comparing two versions of a webpage or app to see which one performs better.
• P-value is the probability of obtaining a result as extreme or more extreme than the observed result, assuming the null hypothesis is true.

• A/B testing involves randomly dividing a sample into two groups and exposin...read more
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Q2. ARMA, ARIMA and stationarity in time series.
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ARMA and ARIMA are models used for time series analysis. Stationarity refers to the statistical properties of a time series remaining constant over time.
• ARMA stands for Autoregressive Moving Average model and is used to model stationary time series data.

• ARIMA stands for Autoregressive Integrated Moving Average model and is used to model non-stationary time series data.

• Stationarity is an important concept in time series...read more
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