Digitize Brand Hub ml engineer Interview Questions and Answers for Experienced

Q1. Difference between absolute xpath and relative xpath
Ans. 
Absolute xpath specifies the complete path from the root element to the desired element, while relative xpath specifies the path relative to the current element.
• Absolute xpath starts with a single forward slash (/) and is more specific.

• Relative xpath starts with a double forward slash (//) and is more flexible.

• Absolute xpath is more prone to breaking if the structure of the page changes.

• Relative xpath is easier to main...read more
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Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Q1. Related to Machine learning and python basoc questions
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Q1. In second round will be codeing related python like inheritance , decorator, opps depends.
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Q1. Like if you clear the technical round then most propably ur selcted .
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Q1. Trainning on Yolov9
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Q2. Trainning a Multi-head Yolov9 models for clothes detection
Ans. 
Training a Multi-head Yolov9 model involves optimizing the model architecture for detecting clothes in images.
• Utilize transfer learning with pre-trained Yolov9 model for faster convergence

• Fine-tune the model on a dataset of clothes images to improve detection accuracy

• Adjust hyperparameters such as learning rate, batch size, and optimizer for optimal performance
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DSA - binary search, run code on test cases

LLM, GenAI, Chatbots

Q1. Self Introduction
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Q2. Explanation of business use case
Ans. 
Using machine learning to predict customer churn in a telecom company
• Identify patterns in customer behavior data

• Build a predictive model to forecast which customers are likely to churn

• Implement strategies to retain at-risk customers

• Measure the effectiveness of the model in reducing churn rate
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Q1. Explain about the projects you have worked on
Ans. 
I have worked on projects involving natural language processing, computer vision, and recommendation systems.
• Developed a sentiment analysis model using NLP techniques to analyze customer reviews

• Implemented a facial recognition system using CNN for security purposes

• Built a movie recommendation system based on collaborative filtering algorithm
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Q2. Python coding on the finding the prime numbers in a range
Ans. 
Python code to find prime numbers in a given range
• Iterate through the range of numbers

• Check if each number is divisible by any number other than 1 and itself

• If not divisible, then it is a prime number
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Q1. Introduce yourself
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Q1. Relate to project
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