M365 Core Services
30-35%of exam
Data Protection + Governance
35-40%of exam
Copilot + Agent Admin
25-30%of exam
Copilot LicensingUsage AnalyticsAgent LifecyclePrompt GovernanceBilling Picker
Quick Facts
- Exam
- AB-900
- Credential
- Copilot Agent Admin
- Time
- 60 min
- Pass
- 700/1000
- Questions
- 40-60
- Fee
- $99 USD
- Renewal
- Annual free assessment
- Vendor
- Pearson VUE
Zero Trust
Verify Explicit Least Assume
Verify: identityExplicit: authLeast: privilegeAssume: breach
Entra vs Purview
Entra ID
- Who signs in
- MFA + CA
- Identity
Purview
- What data does
- Labels + DLP
- Compliance
Identity vs data
Admin Center Picker
- Mailboxes→Exchange admin
- Sites→SharePoint admin
- Teams policies→Teams admin
- Identity rules→Entra admin
- Compliance→Purview portal
- Tenant settings→M365 admin
Exam Facts
- AB-900
- Copilot admin fundamentalsExam
- 700/1000
- Passing score
- 60 min
- Exam duration
- $99
- Exam fee
- Annual
- Renewal required
- 40-60
- Question count
- Pearson VUE
- Test delivery
AB-900 vs MS-900
AB-900
- Copilot focus
- Purview depth
- Agent admin
MS-900
- Broad M365
- General security
- Service overview
AI admin vs fundamentals
Admin Centers
- M365 admin
- Tenant hubPortal
- Exchange admin
- Mailboxes + DLs
- SharePoint admin
- Sites + libraries
- Teams admin
- Teams + policies
- Entra admin
- Identity center
- Purview portal
- Compliance hub
- Power Platform
- Agents + flows
Entra + Security
- Entra ID
- Cloud identity
- MFA
- Extra factor
- SSO
- One login
- Conditional Access
- Risk-based rules
- PIM
- Just-in-time roles
- Zero Trust
- Verify explicitly
- Secure Score
- Security posture
- Audit logs
- Activity trail
M365 Licensing
- Active users
- Assign licenses
- Licenses + apps
- Per-user panel
- Billing
- Purchase services
- Service plans
- Feature bundles
- Add-on
- Extra capability
- Copilot Admin
- Copilot settings role
Domain Weights
Governance 35-40; Core 30-35; Copilot 25-30
Governance: largestCore: M365 servicesCopilot: agents
Label vs DLP
Sensitivity Label
- Classify content
- Encrypt file
- Visual mark
DLP
- Detect share
- Block action
- Policy rule
Classify vs block
Purview Picker
- Classify content→Sensitivity labels
- Block sharing→DLP policy
- Risky insider→Insider Risk
- Toxic comms→Comm Compliance
- Legal hold→eDiscovery
- Keep records→Retention
- AI data risk→DSPM for AI
- Oversharing→DAG reports
Purview Protection
- Sensitivity labels
- Classify contentCore
- Auto-labeling
- Policy applies labels
- DLP
- Block sensitive share
- Encryption
- Protect labeled files
- Watermark
- Visual mark
- Trainable classifiers
- ML content match
- Data classification
- Content taxonomy
Purview Stack
Label -> DLP -> Retain -> Audit
Label: classifyDLP: blockRetain: lifecycleAudit: log
Insider Risk vs Comm Compliance
Insider Risk
- User behavior
- Risk signals
- HR + security
Comm Compliance
- Message content
- Policy violations
- Supervision
Behavior vs content
Purview Compliance
- Insider Risk
- Risky user activity
- Comm Compliance
- Monitor communications
- eDiscovery
- Legal hold search
- Retention
- Keep/delete rules
- Records mgmt
- Regulatory records
- Audit
- Unified audit log
- DSPM for AI
- AI data posture
Copilot Data Access
- Microsoft Graph
- Copilot data path
- Permissions
- User can access
- Oversharing
- Excess access risk
- DAG reports
- Access governance
- SAM
- SharePoint advanced
- Responsible AI
- Ethical AI use
- Grounding
- Org data context
Governance Tools
- Compliance mgr
- Compliance score
- Policy templates
- Prebuilt rules
- Alert policies
- Trigger alerts
- Content explorer
- Browse labeled data
- Activity explorer
- DLP events
- Purview roles
- Compliance access
Copilot Access
License Graph Permissions Ground
License: userGraph: data pathPermissions: scopeGround: context
Copilot vs Agent
Built-in Copilot
- Microsoft features
- M365 apps
- Prebuilt
Custom Agent
- User-built
- Copilot Studio
- Approval needed
Built-in vs custom
Copilot Picker
- Assign access→Active users
- Track usage→Copilot Analytics
- Meter billing→Pay-as-you-go
- Control prompts→Prompt mgmt
- Build agent→Copilot Studio
- Approve agent→Approval process
- Manage agents→Power Platform
- Copilot settings→Copilot Admin
Copilot Administration
- Copilot license
- Per-user monthlyLicense
- Pay-as-you-go
- Consumption billing
- Copilot Analytics
- Usage dashboard
- Usage report
- Active users
- Org settings
- Tenant Copilot
- Web grounding
- External web data
- Prompt mgmt
- Govern prompts
License vs Pay-as-you-go
Monthly License
- Per user
- Predictable cost
- Full access
Pay-as-you-go
- Consumption
- Metered billing
- Flexible scale
Fixed vs metered
Agents + Lifecycle
- Built-in Copilot
- Microsoft features
- Custom agent
- User-built agent
- Agent approval
- Admin review gate
- Agent creation
- Build in studio
- Lifecycle mgmt
- Deploy to retire
- Power Platform
- Agent admin center
- Copilot Studio
- Build agents
Common Traps
Identity vs data
Entra signs in ≠ Purview protects data
Label vs DLP
Labels classify ≠ DLP blocks share
Copilot vs agent
Built-in is Microsoft ≠ Agents need approval
License vs billing
Assign per user ≠ Pay-go is metered
Graph vs admin
Graph is data path ≠ Admin assigns access
Global vs Copilot
Global is broad ≠ Copilot Admin least privilege
Last Minute
- 1.Weights: 35-40 / 30-35 / 25-30
- 2.Pass = 700/1000
- 3.Renew annually free
- 4.Entra = identity; Purview = data
- 5.Labels classify; DLP blocks
- 6.Copilot uses Microsoft Graph
- 7.DSPM for AI = AI posture
- 8.Copilot Admin = least privilege
- 9.Agents need approval
- 10.Pay-go = consumption billing
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