Your network contains one Active Directory domain named contoso.com. The domain contains three
users named User1, User2, and User3.
You need to ensure that the users can log on to the domain by using the user principal names (UPNs)
shown in the following table.
What should you use?
A.
the Set-ADDomain cmdlet
B.
the Add-DNSServerSecondaryZone cmdlet
C.
the Setspn command
D.
the Set-ADUser cmdlet
Explanation:
Technet, Set-ADUser
https://technet.microsoft.com/en-us/library/ee617215.aspx