Infosys Data Engineer Interview Questions and Answers

It went fine and interactive

Q1. Snowflake architecture
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Q2. Caching , different data loading techniques
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Q1. Salary expectations
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Q2. Day to day work in my prev company
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Very good, friendly staff and arrived on time and delivered

Q1. Mostly on Spark
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Q1. What are examples of iaas,paas,saas
Ans. 
Examples of IaaS, PaaS, and SaaS include AWS (IaaS), Google App Engine (PaaS), and Salesforce (SaaS).
• IaaS - Infrastructure as a Service: AWS, Microsoft Azure, Google Cloud Platform

• PaaS - Platform as a Service: Google App Engine, Heroku, Microsoft Azure App Service

• SaaS - Software as a Service: Salesforce, Google Workspace, Microsoft Office 365
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Q2. Difference between Adf and ADB
Ans. 
ADF stands for Azure Data Factory, a cloud-based data integration service. ADB stands for Azure Databricks, an Apache Spark-based analytics platform.
• ADF is used for data integration and orchestration, while ADB is used for big data analytics and machine learning.

• ADF provides a visual interface for building data pipelines, while ADB offers collaborative notebooks for data exploration and analysis.

• ADF supports various da...read more
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Q1. Questions from key vault
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Q2. Devops related ques,joing the data sets without union
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Q1. Basic details and past experience
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Q1. Project which handled in last organisation
Ans. 
Developed a data pipeline to ingest, process, and analyze customer feedback data for product improvement.
• Designed and implemented ETL processes to extract data from various sources

• Utilized Apache Spark for data processing and analysis

• Built data visualizations to present insights to stakeholders
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