AI-200 Event Driven Integration Practice Question
You are configuring geo-disaster recovery for an Azure Service Bus Premium namespace containing critical financial transactions. A regional outage occurs. After initiating a failover to the secondary region, what happens to the alias pointing to the namespace?
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
✓
The alias automatically points to the secondary namespace, and pairing is broken.
Service Bus Geo-DR uses an alias. When failover is triggered, the alias is remapped to point to the secondary namespace, allowing clients to reconnect automatically without changing connection strings if they use the alias.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The secondary namespace remains in Read-Only mode until manually unlocked.
Why it's wrong here
After failover, the secondary namespace takes over read-write operations.
- ✗
The alias becomes invalid, and you must deploy a new Service Bus namespace from scratch.
Why it's wrong here
The alias persists and is simply repointed during the failover operation.
- ✗
Unreplicated messages in the primary queue are automatically migrated in real-time.
Why it's wrong here
Replication is asynchronous; messages in the primary that were not synced before the outage may be lost unless active replication caught up.
- ✓
The alias automatically points to the secondary namespace, and pairing is broken.
Why this is correct
Once failed over, the secondary namespace becomes primary, and the alias resolves to it. The old primary must be reconfigured and re-paired later.
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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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