單項選擇題

Your company has a main office and a branch office. The company has a single-domain Active Directory forest.
The main office has two domain controllers named DC1 and DC2 that run Windows Server 2008 R2. The branch office has a Windows Server 2008 R2 read-only domain controller （RODC）named DC3. All domain controllers hold the DNS Server server role and are configured as Active Directory- integrated zones. The DNS zones only allow secure updates.
You need to enable dynamic DNS updates on DC3.
What should you do（）

A.Run the Ntdsutil.exe DS Behavior commands on DC3.
B.Run the Dnscmd.exe /ZoneResetType command on DC3.
C.Reinstall Active Directory Domain Services on DC3 as a writable domain controller.
D.Create a custom application directory partition on DC1. Configure the partition to store Active Directory-integrated z

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單項選擇題

Your company has two domain controllers that are configured as internal DNS servers. All zones on the DNS servers are Active Directory-integrated zones. The zones allow all dynamic updates. You discover that the contoso.com zone has multiple entries for the host names of computers that do not exist.
You need to configure the contoso.com zone to automatically remove expired records.
What should you do（）

A.Enable only secure updates on the contoso.com zone.
B.Enable scavenging and configure the refresh interval on the contoso.com zone.
C.From the Start of Authority tab， decrease the default refresh interval on the contoso.com zone.
D.From the Start of Authority tab， increase the default expiration interval on the contoso.com zone.

單項選擇題

Your company， Contoso， Ltd.， has a main office and a branch office. The offices are connected by a WAN link. Contoso has an Active Directory forest that contains a single domain named ad.contoso.com.
The ad.contoso.com domain contains one domain controller named DC1 that is located in the main office. DC1 is configured as a DNS server for the ad.contoso.com DNS zone. This zone is configured as a standard primary zone.
You install a new domain controller named DC2 in the branch office. You install DNS on DC2. You need to ensure that the DNS service can update records and resolve DNS queries in the event that a WAN link fails.
What should you do（）

A.Create a new stub zone named ad.contoso.com on DC2.
B.Configure the DNS server on DC2 to forward requests to DC1.
C.Create a new secondary zone named ad.contoso.com on DC2.
D.Convert the ad.contoso.com zone on DC1 to an Active Directory-integrated zone.

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