Your network contains an Active Directory domain named contoso.com. The domain contains five domain controllers.
You purchase Microsoft 365 and plan to implement several Microsoft 365 services.
You need to identify an authentication strategy for the planned Microsoft 365 deployment. The solution must meet the following requirements:
Ensure that users can access Microsoft 365 by using their on-premises credentials.
Use the existing server infrastructure only.
Store all user passwords on-premises only.
Be highly available.
Which authentication strategy should you identify?

Your on-premises network contains a Microsoft Exchange Server 2019 organization.
You purchase a Microsoft 365 E5 subscription.
You need to integrate the on-premises network and Exchange Online.
What should you do first?

You need to provide users with access to SalesApp. The solution must meet the technical requirements What should you include in the solution?

You need to modify the HRApp manifest to provide a tab that supports querying the third-party HR system.
Which section of the manifest should you modify, and which value should you set as the scope? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

You have a Microsoft Azure Active Directory (Azure AD) tenant named contoso.onmicrosoft.com.
An external user has a Microsoft account that uses an email address of [email protected].
An administrator named Admin1 attempts to create a user account for the external user and receives the error message shown in the following exhibit.

You need to ensure that Admin1 can add the user.
What should you do from the Azure Active Directory admin center?