ExpertMedium1 markMultiple Choice
AZ-305 · Question 22 · Domain 2.2: Data Integration
You are designing an IoT solution that receives telemetry data from 100,000 sensors globally.
The system must ingest up to 2 million events per second. You need a service that can buffer this massive influx of streaming data, partition it for parallel processing, and retain the raw events for up to 7 days so multiple downstream consumer applications can read the data at their own pace.
Which Azure service should you recommend?
You are designing an IoT solution that receives telemetry data from 100,000 sensors globally.
The system must ingest up to 2 million events per second. You need a service that can buffer this massive influx of streaming data, partition it for parallel processing, and retain the raw events for up to 7 days so multiple downstream consumer applications can read the data at their own pace.
Which Azure service should you recommend?
Answer options:
A.
Azure Service Bus
B.
Azure Event Grid
C.
Azure Event Hubs
D.
Azure Stream Analytics
How to approach this question
Look for keywords: 'telemetry', 'millions of events per second', 'buffer', and 'retention'. These point to Event Hubs.
Full Answer
C.Azure Event Hubs✓ Correct
Azure Event Hubs is a fully managed, real-time data ingestion service that's simple, trusted, and scalable. It can stream millions of events per second from any source to build dynamic data pipelines. It provides a partitioned consumer model, allowing multiple downstream applications to read the stream independently, and supports data retention (up to 7 days in standard, longer in premium/dedicated).
Common mistakes
Confusing Event Hubs with Event Grid or Service Bus. Event Hubs = Telemetry/Big Data. Service Bus = High-value enterprise messages. Event Grid = Reactive discrete events.
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