You have a DNS server named Server1 that runs Windows Server 2012 R2.
From DNS Manager, you open the properties of Server1 as shown in the following exhibit.

You need to configure the default root hints on Server1.
What should you do?
Select an option, then click Submit answer.
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Create a forward lookup zone named .(root).
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Run the Set-DnsServerRootHint cmdlet.
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Run the Add-DnsServerRootHint cmdlet.
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Delete the forward lookup zone named .(root).
