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Cognizant
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Cognizant Azure Data Engineer Interview Questions and Answers
Cognizant Azure Data Engineer Interview Experiences
7 interviews found
Anonymous
I appeared for an interview in Dec 2024.
(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...
(2 Questions)
- Q1. Introduction. Question on last company why left.
- Q2. Salary Negotiation.
Selected
I applied via Naukri.com
(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
(1 Question)
- Q1. Reg salary discussion
Interview Preparation Tips
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic Pyspark questions
- Q2. SQL queries based on join , case and row to column changes
Interview Preparation Tips
- Azure
- pyspark
- sql join
What people are saying about Cognizant
Subiksha Manojkumar
(1 Question)
- Q1. Regarding experience in previous company
Cognizant interview questions for designations
(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
Interview Preparation Tips
Skills evaluated in this interview
(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...
(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...
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
I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. What is second level cache?How to implement second level cache?How to optimize sql query?what are solid principles?
- Ans.
Second level cache is a caching mechanism used to improve performance by storing frequently accessed data in memory.
Second level cache is implemented at the application level and can be configured using frameworks like Hibernate.
To optimize SQL queries, one can use indexes, avoid using SELECT *, and use JOINs instead of subqueries.
SOLID principles are a set of design principles for writing maintainable and scalable cod...
- Q2. Mostly FAQ but somewhat in depth?
- Q3. How to deploy application in aws?
- Ans.
To deploy an application in AWS, you need to create an EC2 instance, configure security groups, install necessary software, and upload your application code.
Create an EC2 instance in the desired region and select the appropriate instance type
Configure security groups to allow traffic to and from the instance
Install necessary software and dependencies on the instance
Upload your application code to the instance
Start the ...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed before Aug 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. What is my longterm and short-term goals.
- Ans. My short-term is to become an expert in solving queries And long term is to become valuable employee in an organisation and managing a team, also helping new recruits to learn the work.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. THERE WERE 4 ROUNDS.1-APTITUDE 2-PSEUDO TEST 2-TECHNICAL INTERVIEW 4-HR ROUND
- Q2. 1ST ROUND WAS VERY SIMPLE 2ND WAS LITTLE COMPLEX 3RD&4TH ROUND WAS VERY SIMPLE
Interview Preparation Tips
Cognizant Interview FAQs
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Cognizant Interviews By Designations
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Cognizant Azure Data Engineer Interview Process
based on 7 interviews
1 Interview rounds
- Technical Round
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Cognizant Azure Data Engineer Reviews and Ratings
based on 24 reviews
Rating in categories
|
Associate
72.3k
salaries
|  ₹5.1 L/yr - ₹16 L/yr |
|
Programmer Analyst
55.6k
salaries
| ₹2.4 L/yr - ₹9.3 L/yr |
|
Senior Associate
49.9k
salaries
| ₹9 L/yr - ₹28 L/yr |
|
Senior Processing Executive
29.1k
salaries
| ₹1.8 L/yr - ₹9 L/yr |
|
Technical Lead
17.6k
salaries
| ₹6 L/yr - ₹25 L/yr |
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