See explanation below.
Explanation
1. In the admin center, select the Compliance
2. Select Classification > Sensitivity labels
3. Select Create a label, and when the warning appears, select
4. Enter a Label name, Tooltip, and
5. Turn on Encryption. Choose when you want to assign permissions, whether you want your users' access to the content to expire, and whether you want to allow offline access.
6. Select Assign permissions > Add these email addresses or domains.
7. Enter an email address or domain name (such as Contoso.org). Select Add, and repeat for each email address or domain you want to add.
8. Select Choose permissions from preset or custom.
9. Use the drop-down list to select preset permissions, such as Reviewer or Viewer, or select Custom permissions. If you chose Custom, select the permissions from the list. Select Save >Save > Next.
10. Turn on Content marking, and choose the markings you want to use.
11. For each marking that you choose, select Customize text. Enter the text you want to appear on the document, and set the font and layout options. Select Save, and then repeat for any additional markings. Select Next.
12. Optionally, turn on Endpoint data loss prevention. Select Next.
13. Optionally, turn on Auto labeling. Add a condition. For example, under Detect content that contains, select Add a condition. Enter the condition; for example, add a condition that if passport, Social Security, or other sensitive information is detected, the label will be added. Select Next.
14. Review your settings, and select Create. Your label has been created. Repeat this process for any additional labels you want.
15. By default, labels appear in Office apps in this order: , and Public. To change the order, for each label, select More actions (the ellipsis), and then move the label up or down. Typically, permissions are listed from the lowest to highest level of permissions.
16. To add a sub-label to a label, select
17. When finished, choose Publish labels . Select the labels you want to publish, and then select Add > Done
18. By default, the new label policy is applied to everyone. If you want to limit who the policy is applied to, select Choose users or groups > . Select who you want the policy to apply to, and then select Add > Done > Next.
19. If you want a default label for documents and email, select the label you want from the drop-down list.
Review the remaining settings, adjust as needed, and then select
20. Enter a Name and Description
21. Review your settings, then select
Reference:
https://support.office.com/en-us/article/create-and-manage-sensitivity-labels-2fb96b54-7dd2-4f0c-ac8d-170790d
https://docs.microsoft.com/en-us/microsoft-365/compliance/sensitivity-labels?view=o365-worldwide

Explanation/Reference:
References:
https://docs.microsoft.com/en-us/azure/active-directory/reports-monitoring/concept-sign-ins
Overview
Fabrikam, Inc. is manufacturing company that sells products through partner retail stores. Fabrikam has
5,000 employees located in offices throughout Europe.
Existing Environment
Network Infrastructure
The network contains an Active Directory forest named fabrikam.com. Fabrikam has a hybrid Microsoft Azure Active Directory (Azure AD) environment.
The company maintains some on-premises servers for specific applications, but most end-user applications are provided by a Microsoft 365 E5 subscription.
Problem Statements
Fabrikam identifies the following issues:
Since last Friday, the IT team has been receiving automated email messages that contain "Unhealthy

Identity Synchronization Notification" in the subject line.
Several users recently opened email attachments that contained malware. The process to remove the

malware was time consuming.
Requirements
Planned Changes
Fabrikam plans to implement the following changes:
Fabrikam plans to monitor and investigate suspicious sign-ins to Active Directory

Fabrikam plans to provide partners with access to some of the data stored in Microsoft 365

Application Administration
Fabrikam identifies the following application requirements for managing workload applications:
User administrators will work from different countries

User administrators will use the Azure Active Directory admin center

Two new administrators named Admin1 and Admin2 will be responsible for managing Microsoft

Exchange Online only
Security Requirements
Fabrikam identifies the following security requirements:
Access to the Azure Active Directory admin center by the user administrators must be reviewed every

seven days. If an administrator fails to respond to an access request within three days, access must be removed Users who manage Microsoft 365 workloads must only be allowed to perform administrative tasks for

up to three hours at a time. Global administrators must be exempt from this requirement Users must be prevented from inviting external users to view company data. Only global administrators

and a user named User1 must be able to send invitations
Azure Advanced Threat Protection (ATP) must capture security group modifications for sensitive

groups, such as Domain Admins in Active Directory
Workload administrators must use multi-factor authentication (MFA) when signing in from an

anonymous or an unfamiliar location
The location of the user administrators must be audited when the administrators authenticate to Azure

AD
Email messages that include attachments containing malware must be delivered without the

attachment
The principle of least privilege must be used whenever possible

Explanation/Reference:
Reference:
https://docs.microsoft.com/en-us/office365/securitycompliance/working-with-compliance-manager

Reference:
https://docs.microsoft.com/en-us/office365/securitycompliance/view-reports-for-atp#what-permissions-areneede

Reference:
https://docs.microsoft.com/en-us/yammer/integrate-yammer-with-other-apps/yammer-and-newsfeed