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DP-420Azure Cosmos DB Developer Specialty

Practice Exam 1

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 container has grown and the chosen partition key no longer distributes writes evenly. You need a different partition key on the same data. What does the service require?

  2. Question 2 of 5

    Consistency levels and their tradeoffsDesign and implement data distribution

    After a client overrides reads to session on a strong account, what happens to the writes?

  3. Question 3 of 5

    Change feed modes and delivery guaranteesIntegrate an Azure Cosmos DB solution

    A client reads the change feed on a container holding many partition key values. What ordering holds?

  4. Question 4 of 5

    Integrated cacheOptimize an Azure Cosmos DB solution

    After a repeated point read is served from the integrated cache, what is the request unit charge?

  5. Question 5 of 5

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

    Your team picks the 7-day continuous backup tier to hold cost down. Which charge still applies to that account?

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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 1 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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