Design and Implement Multi-Region Writes DP-420 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which of the following is a built-in conflict resolution strategy in Azure Cosmos DB?

   • AMerge by Timestamp
   • BFirst Writer Wins (FWW)
   • CConflict Queue
   • DLast Writer Wins (LWW)
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2. 7application · medium

   A company has an existing Azure Cosmos DB for NoSQL account with a single write region in the US East region. The company wants to enable multi-region writes and add a new region in Europe. The application uses the .NET SDK. What should you do to enable multi-region writes?

   • ACreate a new Cosmos DB account with multi-region writes enabled and migrate the data.
   • BEnable multi-region writes in the Azure portal and then add the Europe region.
   • CAdd the Europe region to the account and then enable the multi-region writes feature in the Azure portal.
   • DUse the .NET SDK to enable multi-region writes on the account.
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4. 8foundation · easy

   Which Azure Cosmos DB account setting must be enabled to allow write operations in multiple regions?

   • AEnable Automatic Failover
   • BEnable Multi-Region Writes
   • CEnable Analytical Store
   • DEnable Private Endpoint
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5. 9application · medium

   A financial services company is considering multi-region writes for its Azure Cosmos DB for NoSQL account. The application is used by traders in multiple regions who need to update order status in real time. The company is concerned about the possibility of conflicting updates to the same order. What should the company consider before enabling multi-region writes?

   • AThe need to use a single write region to avoid conflicts.
   • BThe need for a conflict resolution policy to handle concurrent updates to the same document.
   • CThe need to use the change feed to replicate data between regions.
   • DThe need to set the consistency level to Strong to prevent conflicts.
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6. 10foundation · easy

   What is required to implement a custom conflict resolution policy in Azure Cosmos DB for NoSQL?

   • AA stored procedure that is registered as the conflict resolver for the container.
   • BA custom SDK that handles conflicts client-side.
   • CAn Azure Function that is triggered on every write.
   • DA change feed processor that listens for conflicts.
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