Target Interview Questions, Process, and Tips

Array-based question

Q1. Explain Xgboots
Ans. 
XGBoost is a popular machine learning algorithm known for its speed and performance in handling large datasets.
• XGBoost stands for eXtreme Gradient Boosting.

• It is an implementation of gradient boosted decision trees designed for speed and performance.

• XGBoost is widely used in machine learning competitions and real-world applications.

• It can handle missing data, regularization, and parallel processing efficiently.

• XGBoost ...read more
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Q2. Explain random forest
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Random forest is an ensemble learning method that builds multiple decision trees and combines their predictions.
• Random forest is a type of ensemble learning method.

• It builds multiple decision trees during training.

• Each tree in the forest makes a prediction, and the final prediction is the average or majority vote of all trees.

• Random forest is used for classification and regression tasks.

• It helps reduce overfitting and ...read more
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Q1. Explain about your project
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Q2. Explain the sequence to sequence models and transformers
Ans. 
Sequence to sequence models are used in natural language processing to convert input sequences into output sequences.
• Sequence to sequence models are commonly used in machine translation tasks, where the input is a sentence in one language and the output is the translated sentence in another language.

• Transformers are a type of sequence to sequence model that use self-attention mechanisms to weigh the importance of diffe...read more
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Its quit easy round in which its contain very easy question in the process

Ita contain average coding question level of leetcode.. If constantly solving leetcode question it get more chances to select.

Q1. Tell me about yourself and the question comes only to ur resume.. Its quit easy round all question are expected
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Q2. Tell. Me about yourself
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Q3. Why do we hire uh.
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Q4. What are the quality which enhance yourself
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Some qualities that enhance myself include adaptability, problem-solving skills, and continuous learning.
• Adaptability: I am able to quickly adjust to new situations and environments, allowing me to thrive in dynamic work settings.

• Problem-solving skills: I excel at analyzing complex problems and finding effective solutions, which is crucial in the field of software testing.

• Continuous learning: I am committed to staying ...read more
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Q5. About company and salary and some situation based question
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Q1. Sql questions on joins, window functions etc
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Q2. Basic statistics questions on Central tendency
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Q1. What aggregated SQL functions you use on a daily basis? What is diff between UNION & UNION ALL? What is cross join. Max no rows in cross join of two 3x3 tables?
Ans. 
Aggregated SQL functions used daily include COUNT, SUM, AVG, MAX, MIN. UNION combines results from two or more SELECT statements. UNION ALL includes all rows, even duplicates. Cross join combines every row from one table with every row from another.
• Aggregated SQL functions: COUNT, SUM, AVG, MAX, MIN

• UNION vs UNION ALL: UNION removes duplicates, UNION ALL includes all rows

• Cross join: combines every row from one table wit...read more
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Q2. Two scenario-based SQL questions. The first question was based on the Netflix subscription model. In which customer subscribes in Jan, Feb, May and Nov month. We have to calculate max period for which cust...read more
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Q1. Do you know about Statistical Forecast? Which method do you use for forecasting in your company?
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Q2. There is a new product that we want to launch in one region, how do you analyze where to launch and what is the approach?
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Q1. Have you worked with a difficult team member? How did you managed the conflicts with them?
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Q2. How do you make sure you keep up the good culture in your team?
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