Wipro AWS Data Engineer Interview Questions and Answers

Q1. Question based on resume, cloud databases, EMR, Athena, Ec2, Sql
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Q2. Scenario based questions
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Q1. Managerial questions
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Q1. Tell ne about your self , experience in brief
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Q2. Why Not other cloud why you choose AWS
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AWS offers the most comprehensive and flexible cloud platform with unmatched scalability, security, and reliability.
• AWS has the largest and most mature cloud ecosystem with a wide range of services and tools

• AWS provides unmatched scalability and flexibility to meet the needs of any organization

• AWS has a strong focus on security and compliance, with a wide range of certifications and compliance programs

• AWS offers high a...read more
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Q1. How aws glue works ?
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AWS Glue is a fully managed ETL service that makes it easy to move data between data stores.
• AWS Glue crawls your data sources and constructs a data catalog using metadata.

• It then generates ETL code to transform and move data between data stores.

• AWS Glue supports various data sources like Amazon S3, JDBC, Amazon RDS, etc.

• It also provides a serverless environment to run your ETL jobs.

• AWS Glue integrates with other AWS se
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Q2. What is AWS kinesis?
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AWS Kinesis is a managed service that enables real-time processing of streaming data at scale.
• Kinesis can handle large amounts of data in real-time from various sources such as IoT devices, social media, and logs.

• It allows data to be processed in real-time using AWS Lambda, Kinesis Analytics, or Kinesis Data Firehose.

• Kinesis can be used for various use cases such as real-time analytics, machine learning, and fraud dete...read more
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Q1. Very short discussion about salary pakage
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Q2. They will ask fews question only related documents you have or not
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Q3. Accepted or not as they offering you
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Q1. SQL questions related to windowing functions
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Q2. Spark theory questions
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Q1. Resume screening Self introduction Roles and responsibilities
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Given task Statics standard deviations Attrition Average of given table values and Given graph economi graph and poverty graph base on that need to gave answers 30 qustion and 60 min time duration

Q1. Versant test should be need to attend Hirepro will have interview prosess in YouTube will check and prepare mid level hard
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Q2. We can goo for online prosess how it is
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Q1. Manger Level round they will ask KPI NPS AHT standard deviations Service Level handling Root cause Analysis Weighted average Same product how will calculate Totall Swer % how will get Many of like bpi <20 ...read more
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Q1. Salary discussion and update structure of our role and responsibilities
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Q1. What are different type of joins available in Databricks?
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Different types of joins available in Databricks include inner join, outer join, left join, right join, and cross join.
• Inner join: Returns only the rows that have matching values in both tables.

• Outer join: Returns all rows when there is a match in either table.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows ...read more
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Q2. How do you make your data pipeline fault tolerant?
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Implementing fault tolerance in a data pipeline involves redundancy, monitoring, and error handling.
• Use redundant components to ensure continuous data flow

• Implement monitoring tools to detect failures and bottlenecks

• Set up automated alerts for immediate response to issues

• Design error handling mechanisms to gracefully handle failures

• Use checkpoints and retries to ensure data integrity
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Q3. What is AutoLoader?
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AutoLoader is a feature in data engineering that automatically loads data from various sources into a data warehouse or database.
• Automates the process of loading data from different sources

• Reduces manual effort and human error

• Can be scheduled to run at specific intervals

• Examples: Apache Nifi, AWS Glue
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Q1. How do you connect to different services in Azure?
Ans. 
To connect to different services in Azure, you can use Azure SDKs, REST APIs, Azure Portal, Azure CLI, and Azure PowerShell.
• Use Azure SDKs for programming languages like Python, Java, C#, etc.

• Utilize REST APIs to interact with Azure services programmatically.

• Access and manage services through the Azure Portal.

• Leverage Azure CLI for command-line interface interactions.

• Automate tasks using Azure PowerShell scripts.
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Q2. What are linked Services?
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Linked Services are connections to external data sources or destinations in Azure Data Factory.
• Linked Services define the connection information needed to connect to external data sources or destinations.

• They can be used in Data Factory pipelines to read from or write to external systems.

• Examples of Linked Services include Azure Blob Storage, Azure SQL Database, and Amazon S3.
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Q1. What are the optimization techniques used in Apache Spark?
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Q2. 2 SQL queries , 1 PySpark code and 1 Python Code .
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Q3. 2-3 Scenario Based questions from ADF and databricks .
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Q1. More on Technical area
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Q1. More on Technical area
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Q1. Technical + Behaviour
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Q1. Technical + Behaviour
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Q1. Expectation and Genaral
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Q1. What is the importance of data analysis?
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Q2. What steps should be taken to become a data analyst?
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