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Cognizant Azure Data Engineer Interview Questions and Answers

Updated 21 Jan 2025

Cognizant Azure Data Engineer Interview Experiences

7 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I was interviewed in Dec 2024.

Round 1 - Technical 

(4 Questions)

  • Q1. 2 Python Questions based on Strong and List manipulation.
  • Q2. 2 Sql Questions
  • Q3. 1 Pyspark Question
  • Q4. What is service principal, ADF questions...
Round 2 - HR 

(2 Questions)

  • Q1. Introduction. Question on last company why left.
  • Q2. Salary Negotiation.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected

I applied via Naukri.com

Round 1 - Technical 

(4 Questions)

  • Q1. Based on my previous company projects
  • Q2. SQL based questions are asked
  • Q3. ADF based questions are asked
  • Q4. Azure related questions are asked
Round 2 - HR 

(1 Question)

  • Q1. Reg salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - NA

Azure Data Engineer Interview Questions Asked at Other Companies

asked in TCS
Q1. 7. How can we load multiple(50)tables at a time using adf?
asked in KPMG India
Q2. Difference between RDD, Dataframe and Dataset. How and what you h ... read more
asked in Techigai
Q3. What is incremental load and other types of loads? How do you imp ... read more
asked in TCS
Q4. 2. What is the get metadata activity and what are the parameters ... read more
asked in KPMG India
Q5. What are key components in ADF? What all you have used in your pi ... read more
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in May 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Basic Pyspark questions
  • Q2. SQL queries based on join , case and row to column changes

Interview Preparation Tips

Topics to prepare for Cognizant Azure Data Engineer interview:
  • Azure
  • pyspark
  • sql join
Interview preparation tips for other job seekers - Need to know Databricks

Azure Data Engineer Interview Questions & Answers

user image Subiksha Manojkumar

posted on 19 Apr 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Regarding experience in previous company

Cognizant interview questions for designations

 Azure Cloud Engineer

 (1)

 Azure DevOps Engineer

 (1)

 Azure Architect

 (1)

 Azure Developer

 (1)

 Data Engineer

 (31)

 Associate Data Engineer

 (4)

 Gcp Data Engineer

 (4)

 Data Center Engineer

 (2)

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. How to copy multiple tables from on-prim to Azure blob storage
  • Ans. 

    Use Azure Data Factory to copy multiple tables from on-premises to Azure Blob Storage

    • Create a linked service to connect to the on-premises data source

    • Create datasets for each table to be copied

    • Create a pipeline with copy activities for each table

    • Use Azure Blob Storage as the sink for the copied tables

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read all basics of sql, Scenarios in Azure Datafactory

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. What is a polybase ?
  • Ans. 

    PolyBase is a technology in Azure that allows you to query data from external sources like Hadoop or SQL Server.

    • PolyBase enables you to run T-SQL queries on data stored in Hadoop or Azure Blob Storage.

    • It can also be used to query data from SQL Server, Oracle, Teradata, and other relational databases.

    • PolyBase uses external tables to define the schema and location of the external data sources.

    • It provides a seamless way t...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. What is serverless sqlpool?
  • Ans. 

    Serverless SQL pool is a feature in Azure Synapse Analytics that allows on-demand querying of data without the need for managing infrastructure.

    • Serverless SQL pool is a pay-as-you-go service for running ad-hoc queries on data stored in Azure Data Lake Storage or Azure Blob Storage.

    • It eliminates the need for provisioning and managing dedicated SQL pools, making it more cost-effective for sporadic or unpredictable worklo...

  • Answered by AI

Interview Questionnaire 

1 Question

  • Q1. Whole architecture of azure project, eto solutions using ADF, ADB, few SQL queries , azure sql pool

Interview questions from similar companies

Interview Preparation Tips

Round: Resume Shortlist
Experience: A telephonic of technical round basics about C concepts and Embedded C Concepts in order to call for next round .

Interview Preparation Tips

College Name: Vidyalankar Institute Of Technology

Interview Questionnaire 

11 Questions

  • Q1. Hobbies: Drawing. Asked about drawing and pencil shading. Draw in next 5 mins something great to impress me else rejected
  • Q2. Sketch my face
  • Q3. If you are told to do a job of a peon for the company will you?
  • Q4. Remove all the pcs from the lab and keep in other lab RIGHT NOW?
  • Ans. 

    Yes, I can remove all the pcs from the lab and keep them in another lab right now.

    • Ensure all the necessary equipment and tools are available for the move

    • Coordinate with the lab staff to ensure a smooth transition

    • Label and document each PC for easy identification and setup in the new lab

    • Ensure proper packaging and handling to prevent any damage during the move

  • Answered by AI
  • Q5. Impress me with your talents
  • Q6. If a person asks you on a construction site to pick up bricks will you?
  • Q7. How crazy are you?
  • Q8. Show me how crazy are you in next 5 mins?
  • Q9. Write down Fibonacci series and also explain pseudo code for it?
  • Ans. 

    Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

    • The first two numbers of the series are always 0 and 1

    • The next number is the sum of the previous two numbers

    • The series goes on infinitely: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...

    • Pseudo code: 1. Initialize variables a=0, b=1, c=0 2. Print a and b 3. Repeat steps 4-6 until desired number of terms 4. c=a+b 5. Pr

  • Answered by AI
  • Q10. Write algorithm for matrix multiplication?
  • Ans. 

    Algorithm for matrix multiplication

    • Create a result matrix with dimensions of the two input matrices

    • Iterate through each row and column of the result matrix

    • For each element in the result matrix, multiply corresponding row in first matrix with corresponding column in second matrix

    • Add the products obtained in the previous step to get the final value for the element

  • Answered by AI
  • Q11. Explain your project and which algorithm you used in it. Why that algorithm?
  • Ans. 

    I worked on a project that involved sentiment analysis of customer reviews using Naive Bayes algorithm.

    • The project involved collecting customer reviews from various sources.

    • Preprocessing the data by removing stop words, stemming, and tokenizing.

    • Used Naive Bayes algorithm for sentiment analysis.

    • The algorithm was chosen because of its simplicity and effectiveness in text classification tasks.

    • The accuracy of the model was

  • Answered by AI

Interview Preparation Tips

Round: HR Interview
Experience: Confused

If they say do you have any questions?
NEVER ASK about your performance in that round.

Round: Technical Interview
Experience: Good
Tips: Interview depends on your basic knowledge

Skills: Presence Of Mind, Technical Skills, Analytical Skills
College Name: Vidyalankar Institute Of Technology
Motivation: Got rejected for TCS aptitude.
Funny Moments: Whole HR interview

Skills evaluated in this interview

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Cognizant Interview FAQs

How many rounds are there in Cognizant Azure Data Engineer interview?
Cognizant interview process usually has 1-2 rounds. The most common rounds in the Cognizant interview process are Technical, HR and Resume Shortlist.
How to prepare for Cognizant Azure Data Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Cognizant. The most common topics and skills that interviewers at Cognizant expect are Azure, SQL, Adf, Azure Data Factory and Azure DevOps.
What are the top questions asked in Cognizant Azure Data Engineer interview?

Some of the top questions asked at the Cognizant Azure Data Engineer interview -

  1. How to copy multiple tables from on-prim to Azure blob stor...read more
  2. what is serverless sqlpo...read more
  3. what is a polybas...read more

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Cognizant Azure Data Engineer Interview Process

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