Study tips 70-640

You need to ensure that you can resolve names by using the GlobalNames zone

You need to prevent DNS records from replicating to RODC1

You need to ensure that all of the names in the contoso.com zone are secured by using DNSSEC

You need to reduce how long it takes until stale records are deleted from the zone

You need to ensure that the stale resource records are automatically removed from the contoso.com zone

You need to ensure that the host (A) records for the removed computers are automatically deleted from the contoso.com DNS zone

Which command should you run?

You need to ensure that users in contoso.com can connect to servers in sales.contoso.com by using fully qualified domain names (FQDNs)

Which command should you run?

What should you modify?