SBI Securities Dealer Interview Questions and Answers for Experienced

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.
Ans. 
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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Q1. Managerial round. Scenario based questions like how to find rca for slowness in web application.
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Q1. 1.Introduction 2.Past Experience 3.Why you want to switch job? 4.Details about Equity, Debt, Mutual Fund,NSE, BSE, F&O Trading
Ans. 
I want to switch jobs to explore new opportunities and challenges in sales management.
• Seeking new challenges and growth opportunities

• Want to work in a different industry or with a different product

• Looking for a company with better career prospects

• Desire to expand my skill set and learn new sales strategies

• Seeking a more competitive compensation package
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Q1. The same question questions were asked
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Q1. About DB schema design
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Q2. Design patterns you have used
Ans. 
I have used design patterns such as Singleton, Factory, and Observer in my projects.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and
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Q1. Risk & Surveillance related question.
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Q2. Rms process related questions.
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