Big Data and Analytics

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Questions and Answers

Which service is built on top of Apache Spark?

  • Azure Data Lake
  • Azure Data Bricks (correct)
  • Azure Data Factory
  • Azure Synapse Analytics

What is the purpose of Delta Lake?

  • To integrate with Azure Synapse Analytics
  • To provide a native UX
  • To enable versioning and transaction logs (correct)
  • To store data in a data lake

Which service offers infinite scale capability?

  • Azure Data Lake
  • Azure Data Factory
  • Azure Synapse Analytics (correct)
  • Azure Data Bricks

Which service has its own data preparation capabilities?

<p>Azure Synapse Analytics (C)</p> Signup and view all the answers

Which service in Azure provides a framework for enabling ETL type solutions?

<p>HDInsight (A)</p> Signup and view all the answers

What is the main difference between Hadoop and Spark?

<p>Hadoop is disk-based, while Spark is memory-based. (C)</p> Signup and view all the answers

Which service in Azure is used for ingesting and processing large streams of data?

<p>Kafka (D)</p> Signup and view all the answers

Which service in Azure allows for interactive querying of data directly from the data lake?

<p>Hive (D)</p> Signup and view all the answers

Which term is commonly used to describe the process of extracting data from different sources and transforming it into a suitable format for analysis?

<p>Extract Transform Load (ETL) (B)</p> Signup and view all the answers

What is the benefit of keeping data in its raw format in a data lake?

<p>It allows for different ways of transforming the data (C)</p> Signup and view all the answers

What are the actions performed during the transformation process?

<p>Cleaning, reformatting, and wrangling (D)</p> Signup and view all the answers

What is the purpose of the orchestration in the data transformation process?

<p>To coordinate and manage the overall process (A)</p> Signup and view all the answers

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