data-engineer video for a financial services company uses Amazon Kinesis Data Streams to capture and store streaming stock market data. They are concerned about
A financial services company uses Amazon Kinesis Data Streams to capture and store streaming stock market data. They are concerned about data durability and want to ensure that if an Availability Zone (AZ) goes down, their data stream can still be processed. Which feature of Kinesis Data Streams ensures the data’s durability?