Reference:
https://docs.microsoft.com/en-us/azure/active-directory/privileged-identity-management/pim-configure

Reference:
https://docs.microsoft.com/en-us/azure/active-directory/external-identities/b2b-quickstart-add-guest-users-portal
https://docs.microsoft.com/en-us/powershell/module/azuread/new-azureadmsinvitation?view=azureadps-2.0

https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-passwordless

Topic 3, Overview
A Datum Environment
The on-premises network of A. Datum contains an Active Directory Domain Services (AD DS) forest named adatum.com.
The tenant contains the users shown in the following table.
Problem Statements
* Multiple users in the sales department have up to five devices. The sales department users report that sometimes they must contact the support department to join their devices to the Azure AD tenant because they have reached their device limit.
* A recent security incident reveals that several users leaked their credentials, a suspicious browser was used for a sign-in, and resources were accessed from an anonymous IP address,
* When you attempt to assign the Device Administrators role To IT_Group1, the group does NOT appear in the selection list.
* Anyone in the organization can invite guest users, including other guests and non-administrators.
* The helpdesk spends too much time resetting user passwords.
* Users currently use only passwords for authentication.
Requirements
A, Datum plans to implement the following changes;
* Configure self-service password reset {SSPR}.
* Configure multi-factor authentication (MFA) for all users.
* Configure an access review for an access package named Package1.
* Require admin approval for application access to organizational data.
* Sync the AD DS users and groupsoflitware.com with the Azure AD tenant.
* Ensure that only users that are assigned specific admin roles can invite guest users.
* Increase the maximum number of devices that can be joined or registered to Azure AD to 10.
Technical Requirements
* Users assigned the User administrator role must be able to request permission to use the role when needed for up to one year.
* Users must be prompted to register for MFA and provided with an option to bypass the registration for a grace period.
* Users must provide one authentication method to reset their password by using SSPR. Available methods must include:
* Email
* Phone
* Security questions
* The Microsoft Authenticator app
* Trust relationships must NOT be established between the adatum.com and litware.com AD DS domains.
* The principle of least privilege must be used.

Role Setting details is where you need to be: Role setting details - User Administrator Privileged Identity Management | Azure AD roles Default Setting State Require justification on activation Yes Require ticket information on activation No On activation, require Azure MFA Yes Require approval to activate No Approvers None
Topic 1, Contoso, Ltd
Existing Environment
The on-premises network of Contoso contains an Active Directory domain named contos.com. The domain contains an organizational unit (OU) named Contoso_Resources. The Contoso_Resoureces OU contains all users and computers.
The Contoso.com Active Directory domain contains the users shown in the following table.

Microsoft 365/Azure Environment
Contoso has an Azure AD tenant named Contoso.com that has the following associated licenses:
Microsoft Office 365 Enterprise E5
Enterprise Mobility + Security
Windows 10 Enterprise E5
Project Plan 3
Azure AD Connect is configured between azure AD and Active Directory Domain Serverless (AD DS). Only the Contoso Resources OU is synced.
Helpdesk administrators routinely use the Microsoft 365 admin center to manage user settings.
User administrators currently use the Microsoft 365 admin center to manually assign licenses, All user have all licenses assigned besides following exception:
The users in the London office have the Microsoft 365 admin center to manually assign licenses. All user have licenses assigned besides the following exceptions:
The users in the London office have the Microsoft 365 Phone System License unassigned.
The users in the Seattle office have the Yammer Enterprise License unassigned.
Security defaults are disabled for Contoso.com.
Contoso uses Azure AD Privileged identity Management (PIM) to project administrator roles.
Problem Statements
Contoso identifies the following issues:
* Currently, all the helpdesk administrators can manage user licenses throughout the entire Microsoft 365 tenant.
* The user administrators report that it is tedious to manually configure the different license requirements for each Contoso office.
* The helpdesk administrators spend too much time provisioning internal and guest access to the required Microsoft 365 services and apps.
* Currently, the helpdesk administrators can perform tasks by using the: User administrator role without justification or approval.
* When the Logs node is selected in Azure AD, an error message appears stating that Log Analytics integration is not enabled.
Planned Changes
Contoso plans to implement the following changes.
Implement self-service password reset (SSPR). Analyze Azure audit activity logs by using Azure Monitor-Simplify license allocation for new users added to the tenant. Collaborate with the users at Fabrikam on a joint marketing campaign. Configure the User administrator role to require justification and approval to activate.
Implement a custom line-of-business Azure web app named App1. App1 will be accessible from the internet and authenticated by using Azure AD accounts.
For new users in the marketing department, implement an automated approval workflow to provide access to a Microsoft SharePoint Online site, group, and app.
Contoso plans to acquire a company named Corporation. One hundred new A Datum users will be created in an Active Directory OU named Adatum. The users will be located in London and Seattle.
Technical Requirements
Contoso identifies the following technical requirements:
* AH users must be synced from AD DS to the contoso.com Azure AD tenant.
* App1 must have a redirect URI pointed to https://contoso.com/auth-response.
* License allocation for new users must be assigned automatically based on the location of the user.
* Fabrikam users must have access to the marketing department's SharePoint site for a maximum of 90 days.
* Administrative actions performed in Azure AD must be audited. Audit logs must be retained for one year.
* The helpdesk administrators must be able to manage licenses for only the users in their respective office.
* Users must be forced to change their password if there is a probability that the users' identity was compromised.