Develop AI Solutions by Using Azure Cosmos DB for NoSQL AI-200 Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which consistency level is the default for Azure Cosmos DB accounts?

   • ABounded staleness
   • BStrong
   • CEventual
   • DSession
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2. 17foundation · easy

   What does a Request Unit (RU) in Azure Cosmos DB measure?

   • AThe normalized cost of database operations such as reads, writes, and queries
   • BThe number of items returned by a query
   • CThe network latency of a request
   • DThe storage size of a container in gigabytes
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4. 18application · medium

   A ride-sharing company stores trip data in Azure Cosmos DB for NoSQL. The container has a partition key of `driverId`. The application frequently queries for trips by `driverId` and `tripDate`. The team notices that the query by `driverId` and `tripDate` consumes a high number of RUs. Which approach should they take to reduce RU consumption?

   • AChange the partition key to `tripDate`.
   • BAdd a composite index on `driverId` and `tripDate`.
   • CDisable indexing on the `tripDate` field.
   • DUse a cross-partition query with a larger page size.
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5. 19foundation · easy

   Which Azure Cosmos DB feature enables semantic retrieval by using stored embeddings?

   • AVector search
   • BChange feed
   • CStored procedures
   • DIndexing policies
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6. 20application · medium

   An e-commerce company uses Azure Cosmos DB for NoSQL to store product inventory. They want to trigger a downstream process whenever a product's price changes. The team plans to use the change feed processor. What should the team implement to ensure that price changes are processed reliably?

   • AStore changes in a separate collection and use a timer to process them.
   • BPoll the collection for changes every minute using a SQL query.
   • CDeploy the change feed processor as an Azure Function with a lease container to track checkpoint progress.
   • DUse a trigger on the container to call an HTTP endpoint for each change.
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