Viacom18 Media Senior Data Analyst Interview Questions and Answers

Q1. All was about basic coding
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Q1. 1. First question was, from my project asked me that explain one project.
Ans. I have done three project, out of this three project one project was movie recommendation syatem. That i was explained. Then some counter question from project like how did you convert text to numerical, which technique you used here. I able to give all questions answer from project.
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Q2. 2. After they asked me, what is your subject preference?
Ans. My subject preference was NLP, Deep Learning, ML. Afrer that asked some question from NLP like what is term document matrix, tf-idf, word embedding, Gradient descent, why we have to change learning rate after every epoch, how lr change, precision recall.
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Q3. 3. My one projcet was sentimental analysis that was by LSTM model. So, next question was explain how LSTM model work and architecture .
Ans. Then I was explained workin flow of LST model and architecture. Then asked me did you know bidireectional LSTM. I said yes, then explained.
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Q4. 4. One question was from sql. what is the condition for primary key? last question one case business case study. this is all about my interview. My interview was 50 min and selected for HR round.
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Q1. Phone call round, just asked me are you interested to come here.
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Leetcode hard level coding with 4-5 questions

Q1. Machine Learning algorithms, Statistics, NLP
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