单项选择题
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.
相关考题
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单项选择题
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. -
单项选择题
Your network contains a server that runs Windows Server 2008 R2. The server is configured as an enterprise root certification authority （CA）. You have a Web site that uses x.509 certificates for authentication. The Web site is configured to use a many-to-one mapping. You revoke a certificate issued to an external partner. You need to prevent the external partner from accessing the Web site. What should you do（）
A.Run certutil.exe -crl.
B.Run certutil.exe -delkey.
C.From Active Directory Users and Computers， modify the membership of the IIS_IUSRS group.
D.From Active Directory Users and Computers， modify the Contact object for the external partner. -
单项选择题
You add an Online Responder to an Online Responder Array. You need to ensure that the new Online Responder resolves synchronization conflicts for all members of the Array. What should you do（）
A.From Network Load Balancing Manager， set the priority ID of the new Online Responder to 1.
B.From Network Load Balancing Manager， set the priority ID of the new Online Responder to 32.
C.From the Online Responder Management Console， select the new Online Responder， and then select Set as Array
D.From the Online Responder Management Console， select the new Online Responder， and then select Synchronize
