DP-900: Non-relational Data on Azure

Non-relational Data on Azure is one of the skill areas tested on the Azure Data Fundamentals (DP-900) exam. Below are free DP-900 practice questions with worked answers and a concept diagram — each with a plain-language explanation. Practice the first 10 questions of DP-900 free, no signup.

The concept, in one picture

Concept flowData fundamentals at a glance
Data fundamentals at a glanceRelationaltables, rows, schema-on-writeSQL · Azure SQL, PostgreSQLNon-relationalkey-value, document, graphNoSQL · Cosmos DB, tablesDescriptivewhat happened?Diagnosticwhy did it happen?Predictivewhat will happen?Prescriptivewhat should we do?Analytics grows in value from describing the past to advising action

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Sample DP-900 question

You must provision an Azure Storage account. The data in the account has to be replicated automatically to a location outside its Azure region. Which two replication options can meet this requirement for the storage account? Each correct answer is a complete solution on its own. NOTE: Each correct selection is worth one point.

  • zone-redundant storage (ZRS)
  • read-access geo-redundant storage (RA-GRS)
  • locally-redundant storage (LRS)
  • geo-redundant storage (GRS)
Explanation

Replicating data to a secondary region requires geo-redundant storage (GRS) or read-access geo-redundant storage (RA-GRS). LRS and ZRS replicate only within the primary region.

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