IBM Research Research Intern Interview Questions and Answers

Q1. General Java, springboot and oops
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Q1. Managerial round with Technical Lld and design related questions
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Q1. Client round technical LLD AND HLD questions
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Q1. HR discussion about salary and client details
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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. What do you understand by Mutual funds?
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Mutual funds are investment vehicles that pool money from multiple investors to invest in a diversified portfolio of securities.
• Mutual funds are managed by professional fund managers who make investment decisions on behalf of the investors.

• Investors can buy shares of mutual funds, which represent their ownership in the fund's portfolio.

• Mutual funds offer diversification, liquidity, and professional management to invest...read more
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Q2. General rules of accounting?
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General rules of accounting include consistency, relevance, reliability, and comparability.
• Consistency: Accounting methods should be applied consistently from one period to another.

• Relevance: Financial information should be relevant to the decision-making needs of users.

• Reliability: Financial information should be reliable and free from bias or error.

• Comparability: Financial information should be comparable across diff...read more
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Q3. Understanding of investment banking?
Ans. 
Investment banking involves providing financial services to corporations, governments, and other institutions, including raising capital, mergers and acquisitions, and advisory services.
• Facilitates capital raising for corporations through issuing stocks and bonds

• Assists in mergers and acquisitions by advising on deals and facilitating transactions

• Provides financial advisory services to clients on various strategic matt...read more
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Q4. General question about experience/family/yourself.
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Q1. Most of AD, Server, VWware,
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Some mcq questions and coding question. Both where easy to medium level. Prepare combination/permutation/Time complexity etc

A question related to Binary search and some other follow ups.

Q1. Reason for switch
Ans. 
I switched jobs to pursue new challenges and opportunities for growth.
• Seeking new challenges and opportunities for personal and professional growth

• Desire for a change in work environment or company culture

• Interest in exploring different industries or roles

• Wanted to learn new skills or gain more experience

• Looking for better work-life balance or compensation

• Example: I wanted to switch to a company that values innovation ...read more
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Q2. Job satisfaction
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Q3. Salary negotiation
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Q4. Domain expertise
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Q5. Comfortable for shift timing
Ans. 
I am comfortable with shift timings and can adapt to different schedules.
• I have experience working various shifts in previous roles

• I am flexible and can adjust my schedule as needed

• I understand the importance of being reliable and punctual in a shift-based job
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