AbsolutData Consultant Interview Questions and Answers

On python and sql coding.they ask simple to complex questions

Q1. On data science machine learning
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Q1. What languages do you know? Asked about the project I did and various clarification questions on that.
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Q2. What are various assumption you made while implementing this project.
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Q1. Introduce yourself and explain your carrier
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Q2. B. Tech with 11 years of experience on Linux Administration/Devops/Ansible/Puppet/Cloud administration/ AWS/Openstack
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Moderate difficult with business reasoning

Q1. Prior work Ex mostly and a case study
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Q1. Basic DevOps Questions
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Q2. Cloud, Jenkins, Docker
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Q1. In depth devops questions with scripting.
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Q1. Cultural Questions
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Q1. What is Tuples? How do you convert a string to a tuple?
Ans. 
Tuples are immutable sequences of elements. A string can be converted to a tuple using the tuple() function.
• Tuples are similar to lists but are immutable

• Elements of a tuple are enclosed in parentheses ()

• A string can be converted to a tuple using the tuple() function

• Each character in the string becomes an element in the tuple
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Q2. What is Left Join? Show one Left join for 2 data frames on Python
Ans. 
Left join is a type of join operation in SQL that returns all the rows from the left table and matching rows from the right table.
• Left join is performed using the 'left join' keyword in SQL

• In Python, left join can be performed using the 'merge' function from the pandas library

• Syntax: pd.merge(left_dataframe, right_dataframe, how='left', on='key_column')

• Example: pd.merge(df1, df2, how='left', on='id')
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