AI-200 Event Driven Integration Practice Question
You are deploying an enterprise AI text-analysis system using Azure Service Bus topics and subscriptions. Downstream processing requires strict message ordering and session-aware processing so that related conversational turns are processed sequentially by the same worker instance. Which property must you enable on the Service Bus subscription?
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
✓
Enable Sessions on the subscription and group messages using a Session ID.
To ensure ordered processing for related messages, you must enable Sessions on the Service Bus entity and ensure your application processes messages using message sessions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable Sessions on the subscription and group messages using a Session ID.
Why this is correct
Service Bus sessions enable strict first-in, first-out (FIFO) ordering and grouping for related messages sharing a common session ID.
- ✗
Enable Partitioning on the topic.
Why it's wrong here
Partitioning distributes messages across internal brokers to scale throughput, which can actually break strict ordering unless sessions are explicitly used.
- ✗
Set Duplicate Detection with a time window.
Why it's wrong here
Duplicate detection prevents identical messages from being processed multiple times, but does not provide ordered session grouping.
- ✗
Configure Dead-lettering on message expiration.
Why it's wrong here
Dead-lettering handles failed or expired messages; it does not enforce ordering or session-based processing.
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JA
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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