The correct answers are Backup rules can be defined separately for CloudDrive, TeamSites, and Mail services and The system maintains immutable recovery copies inside the service trust boundary so data remains within its geographic residency.

Backup rules can be defined separately for CloudDrive, TeamSites, and Mail services is correct because backup solutions for collaboration suites normally let administrators create distinct policies for file storage, team or site content, and mailboxes so each service can have its own retention, schedule, and scope. This separation maps to how OneDrive style personal drives, SharePoint team sites, and Exchange mailboxes require different protection settings and restore workflows.

The system maintains immutable recovery copies inside the service trust boundary so data remains within its geographic residency is correct because immutability prevents modification or deletion of recovery copies and keeping those copies inside the provider trust boundary ensures they stay in the declared geographic region for compliance. Immutable copies are a common way to meet regulatory and retention requirements while preventing accidental or malicious tampering.

End users can enable backups for their own personal accounts and mailboxes is incorrect because backup enablement and policy assignment is typically performed by administrators and not left to individual end users. Allowing each user to opt in would make centralized retention, compliance, and restoration far harder to enforce.

The backup service uses consumption based billing and requires an active Azure subscription for pay as you go charges is incorrect because SaaS backup offerings often bill directly through the vendor on a subscription or usage basis and do not require the customer to maintain an Azure subscription. Billing models vary, but requiring an Azure pay as you go account is not a universal or necessary condition for SaaS backup configuration.

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