Which additional role service or role services should you install?
Which tool should you use?
which group should you add the users?
how many days will the record be deleted?
You need to ensure that the new zone is replicated to only four of the domain controllers
You need to ensure that all domain controllers can resolve names from the dev.contoso.com zone
You need to ensure that the settings in GPO1 supersede the settings in GPO2
You need to create a DNS zone that is available on DC1 and DC2