AI-102 Plan and manage an Azure AI solution Practice Question
You are developing a chatbot using Azure AI Bot Service that uses Azure OpenAI Service for natural language understanding. The chatbot must be deployed in multiple regions for low latency. However, the customer requires that all customer data remain within the European Union. Which architecture should you recommend?
⚠ Common exam trap
It's easy for candidates to assume multi-region deployment automatically requires cross-region data replication (like Cosmos DB multi-region writes), but the correct approach is to deploy independent regional instances without replicating data across regions to satisfy strict data residency requirements.
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
✓
Deploy the bot and all supporting services in multiple EU regions, e.g., West Europe and North Europe, without cross-region data replication.
Deploying the bot and all supporting services in multiple EU regions (e.g., West Europe and North Europe) ensures low latency for users across Europe while keeping all customer data within the European Union. Azure OpenAI Service and Azure AI Bot Service can be deployed regionally without cross-region data replication, satisfying the data residency requirement. This architecture avoids any data leaving EU boundaries while providing geographic redundancy for performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Deploy the bot in a single EU region and rely on CDN for static content.
Why it's wrong here
CDN does not reduce latency for dynamic chatbot responses.
- ✗
Use Azure Front Door to route traffic to a single bot hosted in West Europe.
Why it's wrong here
Single region may cause high latency for users outside West Europe.
- ✓
Deploy the bot and all supporting services in multiple EU regions, e.g., West Europe and North Europe, without cross-region data replication.
Why this is correct
Data stays within EU; multiple regions provide low latency.
- ✗
Deploy the bot in multiple global regions and use Cosmos DB with multi-region writes.
Why it's wrong here
Data may replicate outside EU.
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