Aggregation Persistence with Change Feed Quiz

Quiz covering Change Feed Implementation

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

1. 1

   Which Azure Cosmos DB feature is primarily used to trigger a function whenever a new document is inserted or an existing document is updated in a container?

2. 2

   When implementing an aggregation pattern using the Change Feed, why is it recommended to use the Change Feed Processor library instead of manually polling the Change Feed API?

3. 3

   You are building a real-time dashboard that displays the total count of orders. You decide to use the Change Feed to update a 'summary' document. What is the best strategy to handle concurrency when multiple instances of your processor update the same summary document?

4. 4

   If your Change Feed processor crashes, how does it know where to resume processing after it restarts?

5. 5

   You are aggregating data across multiple partitions into a single document. You notice that your Change Feed processor is falling behind during peak traffic. Which architectural change would most effectively improve throughput while maintaining data integrity?