11:11 Systems Trainee Interview Questions and Answers

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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Q1. Java basics , spring boot
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Q1. Coding question on array list
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Q1. How much salary do you expect
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On python and sql coding.they ask simple to complex questions

Q1. On data science machine learning
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Moderate to easy will get through easily

Based on the degreee

Q1. About my self and experience
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Q2. About my hobbies
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Q1. Document verify
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Q2. Tel about my favorite topic
Ans. 
My favorite topic is artificial intelligence and its impact on society.
• AI has revolutionized various industries such as healthcare, finance, and transportation

• Ethical considerations surrounding AI development and deployment are crucial

• AI has the potential to both improve and disrupt society in significant ways
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There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.

In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.

Q1. In Managerial round again here I have been asked questions related my projects. and no coding round in this stage.
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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. 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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