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Accenture Lead Data Engineer Interview Questions and Answers for Experienced
Accenture Lead Data Engineer Interview Experiences for Experienced
1 interview found
Ravi Kiran
(3 Questions)
- Q1. Given a DataFrame df with columns 'A', 'B','C' how would you group the data by the values in column 'A' and calculate the mean of column 'B' for each group, while also summing the values in column 'C' ?
- Ans.
Group data by column 'A', calculate mean of column 'B' and sum values in column 'C' for each group.
Use groupby() function in pandas to group data by column 'A'
Apply mean() function on column 'B' and sum() function on column 'C' for each group
Example: df.groupby('A').agg({'B':'mean', 'C':'sum'})
- Q2. Explain the difference deepcopy() and copy() methods in Python's copy module. Provide a scenario where you would use deepcopy() over copy().
- Ans.
deepcopy() creates a new object with completely independent copies of nested objects, while copy() creates a shallow copy.
deepcopy() creates a new object and recursively copies all nested objects, while copy() creates a shallow copy of the top-level object only.
Use deepcopy() when you need to create a deep copy of an object with nested structures, to avoid any references to the original object.
Use copy() when you only ...
- Q3. Discuss the concept of Python decorators and provide an example of how you would use decorators to measure the execution time of a function.
- Ans.
Python decorators are functions that modify the behavior of other functions. They are commonly used for adding functionality to existing functions without modifying their code.
Decorators are defined using the @ symbol followed by the decorator function name.
They can be used to measure the execution time of a function by wrapping the function with a timer decorator.
Example: def timer(func): def wrapper(*args, **kwargs...
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I applied via Company Website and was interviewed before Oct 2021. There were 5 interview rounds.
Basic Aptitude with some difficult questions
3 set of coding question were asked 1 easy ,1 medium ,1 hard
(1 Question)
- Q1. This was personal technical interview asking all related to my cv and the one they are looking for
(1 Question)
- Q1. Basic personality questions
Interview Preparation Tips
I applied via Newspaper Ad and was interviewed before Mar 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Please revise on the basics of C++ concepts. Theory should do well. Datatypes, operators, mathematical expression evaluation, functions, arrays, pointers, structures, classes etc. You may be asked to write...
- Q2. Please revise on the object-oriented concepts of C++ langauage. Four pillars of object-oriented languages, function overloading, operator overloading, virtual functions concept explanation, polymorphism, a...
(4 Questions)
- Q1. Why are you looking for a change?
- Q2. Where do you see yourself in 5 years?
- Q3. What are your strengths and weaknesses?
- Q4. Tell me about yourself.
Interview Preparation Tips
Please prepare well for the technical interview on C++ concepts.
Even if you are not asked to write programs during the interview, you must be able to explain well.
For HR interview
Please be honest about your expectations from the job and why you are looking for a job change.
Try to find out about the team which you are joining, whether it is permanent employment or C2H etc.
Do not ask for too much salary hike. It sets unreal expectations and lessens your chances of getting hired.
Be honest with the HR.
I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Describe last project. What is entity framework?
- Ans.
Entity Framework is an ORM tool used to map database tables to classes in .NET applications.
Entity Framework simplifies database access by allowing developers to work with objects instead of SQL statements.
It supports various database providers such as SQL Server, MySQL, and Oracle.
It provides features like LINQ to Entities, automatic change tracking, and database migrations.
Example: In my last project, I used Entity F...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Oct 2020. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. What is difference between C and C++ programming ?
- Ans.
C++ is an extension of C programming language with added features like object-oriented programming.
C++ supports object-oriented programming while C does not.
C++ has classes and objects while C does not.
C++ has function overloading and operator overloading while C does not.
C++ has exception handling while C does not.
C++ supports namespaces while C does not.
- Q2. What is difference between micro-processor and micro controller ? What is 555 IC ? (Because, I am form E&C field)
- Ans.
Micro-processor and micro-controller differ in their architecture and usage. 555 IC is a timer IC used in electronic circuits.
Micro-processor is a CPU with minimal peripherals while micro-controller has CPU, memory, and peripherals on a single chip.
Micro-processor is used in applications that require high processing power while micro-controller is used in embedded systems.
555 IC is a timer IC that can be used in variou...
- Q3. How C++ makes coding easy in comparison to C programming ?
- Ans.
C++ provides object-oriented programming and better memory management than C.
C++ supports classes and objects which makes code modular and reusable.
C++ has better memory management with features like constructors and destructors.
C++ supports function overloading and operator overloading which makes code more readable.
C++ has a rich library of built-in functions and data types.
C++ supports exception handling which makes...
- Q4. Questions about project mentioned.
Interview Preparation Tips
Be confident through your interview.
Learn the basics of your stream.
Don't be too friendly with the interviewer, maintain the discipline.
Learn in depth about the projects mentioned and about their advantages.
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. About company
Interview Questionnaire
1 Question
- Q1. How maintain your role?
Interview Preparation Tips
I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical questions.
Interview Preparation Tips
If you are lucky you will get project with new technologies and you can learn.
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What you see yourself after 10 years from now?
Interview Preparation Tips
I applied via Company Website and was interviewed before Mar 2021. There were 3 interview rounds.
Java assesment.
(1 Question)
- Q1. Where do you see yourself in 5 years?
Interview Preparation Tips
Great to be part of Wipro!!
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Accenture Lead Data Engineer Interview Process for Experienced
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