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Microsoft 365 Architecture & Components (AB-900) Flashcards
Microsoft 365 Certified: Copilot and Agent Administration Fundamentals AB-900 Flashcards
Study our Microsoft 365 Architecture & Components (AB-900) flashcards for the Microsoft 365 Certified: Copilot and Agent Administration Fundamentals AB-900 exam with 35+ flashcards. Review key concepts as flashcards, a searchable table, or an interactive matching game to reinforce exam concepts.

| Front | Back |
| Agent orchestration concept | Agent coordinates data retrieval prompts tool calls and multi step plan execution |
| API throttling and best practices | Respect rate limits use batching backoff exponential retry and efficient queries |
| Application permissions vs delegated | App permissions allow app only access Delegated permissions require signed in user context |
| Azure AD primary responsibilities | Identity management authentication authorization device management and conditional access |
| Backup and recovery options in M365 | Point in time restore retention policies Recycle Bin and SharePoint version history |
| Conditional Access basics | Policies that enforce requirements like MFA device compliance location and risk signals |
| Connectors and webhooks in Teams | Incoming webhooks post messages outgoing webhooks call services for bot interactions |
| Connectors for third party data | Graph connectors allow ingestion of CRM file systems and custom sources into M365 index |
| Copilot data flow overview | User prompt to Copilot service fetch data via Graph apply model generate response and store telemetry |
| Copilot integration points | Graph API connectors SharePoint Outlook Teams and secure store for knowledge retrieval |
| Data residency and compliance considerations | Data location retention labels eDiscovery and audit logging controls |
| Differences between OAuth2 and OpenID Connect | OAuth2 is authorization framework OpenID Connect adds authentication and ID tokens |
| Endpoint management for agents | Agents run on endpoints use connectors to send telemetry and enforce policies via Intune |
| Exchange connectors types | SMTP relay connectors inbound connectors for hybrid and outbound connectors for external routing |
| Exchange Online architecture basics | Mailbox store transport server services and mail flow via front end and backend roles |
| Exchange transport flow overview | Client SMTP submission to front end connector hub delivery to mailbox database or external relay |
| How Copilot accesses tenant data | Copilot queries Microsoft Graph and secured connectors with tenant consent and role based access |
| Hybrid identity patterns | Password hash sync pass through auth and federation with AD FS |
| Identity protection and risk events | Risk detections trigger remediation like password reset MFA or conditional access block |
| Licensing impact on architecture | Feature availability and service limits depend on subscription SKU and licenses assigned |
| M365 connectors classification | Inbound connectors bring external data Outbound connectors send M365 events to external systems |
| Mail flow anti spam and security | Exchange Online Protection ATP Safe Links and Safe Attachments for email protection |
| Microsoft Graph connectors purpose | Index external content into Microsoft Search and enrich Graph content for Copilot |
| Microsoft Search indexing workflow | Crawl content map metadata index and surface results via search API and Graph |
| Monitoring and telemetry tools | Microsoft 365 admin center Graph Reports Azure Monitor and Defender logs for observability |
| OneDrive for Business vs SharePoint | OneDrive is personal file storage SharePoint is shared team and enterprise content management |
| Role of Azure AD Conditional Access Signals | Signals supply user device location app and risk for access decisions |
| Role of Microsoft Graph | Unified API for accessing M365 data users mail files groups devices insights and directory |
| Secure endpoint management role | Intune governs device compliance configuration profiles and app protection policies |
| Service endpoints to know | Microsoft Graph REST endpoints Exchange Web Services and SharePoint REST APIs |
| SharePoint content storage model | Sites lists libraries files stored in content databases with metadata and versioning |
| SharePoint Online purpose | Content and document management intranet sites pages lists libraries and metadata driven storage |
| Teams app model and bots | Teams apps include bots tabs connectors messaging extensions and webhooks |
| Teams core components | Clients Teams service chat and channel storage conversation recording and media relay |
| Teams media path and relay | Peer to peer when possible TURN and Media Relay for NAT and firewall traversal |