DISYS Consultant Interview Questions and Answers

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.
Add your answer

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

Q1. On data science machine learning
Add your answer

Q1. Java basics , spring boot
Add your answer

Q1. Coding question on array list
Add your answer

Q1. How much salary do you expect
Add your answer

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
Answered by AI
Add your answer
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')
Answered by AI
Add your answer

Moderate difficult with business reasoning

Q1. Prior work Ex mostly and a case study
Add your answer

Q1. About my self and experience
Add your answer
Q2. About my hobbies
Add your answer

Q1. Document verify
Add your answer
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
Answered by AI
Add your answer

Q1. Previous year experience
Add your answer

Q1. Type of value added to the company
Ans. 
I add value to the company by leveraging my skills and experience to drive growth, improve efficiency, and enhance overall performance.
• Implementing cost-saving initiatives

• Developing innovative solutions to challenges

• Improving processes and workflows

• Increasing revenue through strategic partnerships

• Enhancing customer satisfaction and retention
Answered by AI
Add your answer