AI-200 Event Driven Integration Practice Question
Your development team is implementing an event-driven microservices architecture using Azure Service Bus. You need to ensure strict FIFO (First-In, First-Out) message processing order for related financial transaction events in an AI fraud-detection workflow. Which THREE configuration steps are required? (Choose three)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement a MessageSession receiver in your client application to process messages sequentially per session.
To enforce strict FIFO ordering in Service Bus, you must enable sessions on the queue, ensure related messages share the same session ID, and use a sequential processing pattern on the receiver side.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Implement a MessageSession receiver in your client application to process messages sequentially per session.
Why this is correct
Receivers must explicitly accept message sessions (e.g., AcceptMessageSessionAsync) to process messages sequentially for that session.
- ✓
Set a Session ID on all related messages sent to the queue.
Why this is correct
Messages belonging to the same ordered transaction stream must share the same Session ID so the broker groups them.
- ✗
Configure partitioning on the Service Bus namespace tier.
Why it's wrong here
Partitioning distributes messages across brokers for scale and is mutually exclusive with sessions in standard tiers, or requires specific session-aware routing in premium.
- ✓
Enable sessions on the Azure Service Bus queue.
Why this is correct
Service Bus sessions (message sessions) enable ordered and grouped delivery of related streams of messages (FIFO).
- ✗
Enable duplicate detection with a 10-minute history window.
Why it's wrong here
Duplicate detection prevents double-processing of identical message IDs, but does not guarantee FIFO sequencing.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Microsoft exam blueprint
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