Microsoft Certified: Azure Developer Associate Azure Cosmos DB Development 3

Question 1

Which Azure Cosmos DB conflict resolution policy automatically picks the write with the highest value of a user-defined property?

Accepted Answer

Last-Write-Wins (LWW)

Answer

Custom procedure

Answer

First-Write-Wins

Answer

Merge policy

Question 2

How does Autoscale throughput in Azure Cosmos DB differ from standard (manual) provisioned throughput?

Accepted Answer

Autoscale automatically scales RU/s between 10% and 100% of the maximum you set based on demand

Answer

Autoscale removes the need for a partition key

Answer

Autoscale provisions unlimited RU/s at no extra cost

Answer

Autoscale only works with the serverless tier

Question 3

Which Azure service can be used to process Cosmos DB change feed events in a serverless, event-driven manner?

Accepted Answer

Azure Functions with Cosmos DB trigger

Answer

Azure Data Factory

Answer

Azure Stream Analytics

Answer

Azure Logic Apps HTTP trigger

Question 4

What does the Azure Cosmos DB emulator provide for developers?

Accepted Answer

A local environment that emulates the Cosmos DB service for development and testing without Azure costs

Answer

A free, cloud-hosted Cosmos DB instance for testing

Answer

An IDE plugin for writing Cosmos DB queries

Answer

A performance benchmarking tool for production workloads

Question 5

When using Azure Cosmos DB with multi-region writes enabled, which consistency levels are supported?

Accepted Answer

All levels except Strong and Bounded Staleness

Answer

All five consistency levels including Strong

Answer

Only Eventual consistency

Answer

Only Session and Eventual

Question 6

In Azure Cosmos DB, what is a logical partition?

Accepted Answer

A subset of items in a container that share the same partition key value

Answer

A geographic replica of the container in another Azure region

Answer

A separate billing unit within a Cosmos DB account

Answer

A read-only copy of the container for reporting purposes

Question 7

Which Azure Cosmos DB feature allows you to run a query and receive results in a paged manner using a continuation token?

Accepted Answer

Feed iterator with continuation token

Answer

Partition key range queries

Answer

Change feed processor

Answer

Server-side cursor API