Recently, I cleared the Microsoft Certified: Architecting Agentic AI Business Solutions (AB-100) exam.
While preparing, I ended up creating this one-page Architect’s Compass for my last-minute revision. Instead of memorizing every Microsoft service, I grouped similar services so I could quickly decide which one fits a business scenario.
I’m sharing it here in case it helps someone preparing for AB-100.
How to Read the Architect’s Compass
Don’t read it from left to right like a textbook. Start by identifying what the question is asking you to do, then jump to the matching section.
1. Cost & Business Value
Estimate → Pricing Calculator. Ownership → TCO Calculator. Actual Spend → Cost Management.
2. Knowledge Retrieval
Dataverse = Single Source of Truth. Azure AI Search = Search across multiple sources.
3. Prompt & Model Quality
Prompt Flow builds. Evaluation grades.
4. Microsoft 365
Entra ID = Identity. Microsoft Graph = Microsoft 365 data.
5. Security & Governance
Purview = Data governance. Azure Policy = Infrastructure governance.
6. Copilot Studio
Fallback = Unknown intent. Escalate = Human handoff.
7. Azure AI Foundry
Hub shares. Project builds. Endpoint serves.
8. Monitoring
Analytics = Business. Application Insights = Technical. Log Analytics = Cross-agent. Azure Monitor = Infrastructure.
Don’t Memorize. Recognize.
The biggest takeaway from my preparation was recognizing decision patterns instead of memorizing isolated features.
My Last-Minute Checklist
- Dataverse = SSOT
- Managed Solution = Production
- Entra ID = Identity
- Graph = Microsoft 365 Data
- Purview = Data Governance
- Hub → Project → Endpoint
- Pricing vs TCO vs Cost Management
- Fallback ≠ Escalate
Hope it helps..
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