What should you use?

You need to create User2. The solution must support the planned changes.

What should you use?
A . the tenant portal
B. Azure Stack Hub Administrator Resource Management Endpoint
C. HLH
D. ASZ-ERCS01

Answer: A

Explanation:

Create a new cloudadmin user named User2.

Add a new Azure Stack Hub user account in Azure Active Directory (Azure AD)

Before you can test offers and plans and create resources, you’ll need a user account for the Azure Stack Hub user portal. You create a user account in your Azure AD tenant, by using the Azure portal or PowerShell.

Reference: https://learn.microsoft.com/en-us/azure-stack/operator/azure-stack-add-new-user-aad