A corporate network includes an Active Directory-integrated zone. All DNS servers that host
the zone are domain controllers.
You add multiple DNS records to the zone.
You need to ensure that the new records are available on all DNS servers as soon as
possible.
Which tool should you use?

A.
Ntdsutil

B.
Dnscmd

C.
Repadmin

D.
Nslookup

Explanation:
To make sure that the new DNS records are replicated to all DNS servers we can use the
repadmin tool.
http://technet.microsoft.com/en-us/library/cc811569.aspx
Forcing Replication
Sometimes it becomes necessary to forcefully replicate objects and entire partitions between
domain controllers that may or may not have replication agreements.
Force a replication event with all partners
The repadmin /syncall command synchronizes a specified domain controller with all
replication partners.
Syntax
repadmin /syncall <DC> [<NamingContext>] [<Flags>]
Parameters
<DC>
Specifies the host name of the domain controller to synchronize with all replication partners.
<NamingContext>
Specifies the distinguished name of the directory partition.
<Flags>
Performs specific actions during the replication.