“You are the enterprise administrator for a multi-domain multi-branch forest. The root domain is contoso.com.
You need to provide a number of lower-level administrators with
privileges to create and modify DNS server and zone settings for the
following zones: Uk.contoso.com, fabrikam.net, and eu.adatum.com. What should you do?”
Answer: From the DNS Manager console, modify the permissions settings of the contoso.com root domain, and also the uk.contoso.com, fabrikam.net, and eu.adatum.com zones to include the selected users as administrators.