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DP-420Azure Cosmos DB Developer Specialty

Practice Exam 2

5 of this form’s 40 questions, drawn from across its domains, free. The explanation on every one of them is free too, at every tier, and always will be.

  1. Question 1 of 5

    Partition keys and horizontal scalingDesign and implement data models

    Your team profiles a query that omits the partition key and must check every physical partition. What overhead does each additional physical partition add?

  2. Question 2 of 5

    Consistency levels and their tradeoffsDesign and implement data distribution

    A client issues a read and a trigger issues another. What scope does the consistency guarantee cover?

  3. Question 3 of 5

    Change feed modes and delivery guaranteesIntegrate an Azure Cosmos DB solution

    Your team wants intermediate versions of items between reads. What does that mode require on the account?

  4. Question 4 of 5

    Integrated cacheOptimize an Azure Cosmos DB solution

    You have an application reading with strong consistency through a dedicated gateway. What does the integrated cache do?

  5. Question 5 of 5

    Continuous backup and point-in-time restoreMaintain an Azure Cosmos DB solution

    One container in a shared throughput database was corrupted. Your team asks for a point-in-time restore of just that container. What does Azure Cosmos DB allow?

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The other 35 questions are the rest of this form: same 100 minute clock, same 700 cut score, and the same explanation on every question, which is never behind the wall. Practice Exam 2 of 2 on Cosmos DB Developer.

What this exam covers

  • Design and implement data models15 questions / 38% of the exam
  • Design and implement data distribution3 questions / 8% of the exam
  • Integrate an Azure Cosmos DB solution3 questions / 8% of the exam
  • Optimize an Azure Cosmos DB solution7 questions / 18% of the exam
  • Maintain an Azure Cosmos DB solution12 questions / 28% of the exam

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