Your company has an Active Directory domain named contoso.com. The company network has two DNS servers named DNS1 and DNS2.
The DNS servers are configured as shown in the following table： DNS1 DNS2
_msdcs.contoso.com contoso.com .（root）
_msdcs.contoso.com contoso.com
Domain users， who are configured to use DNS2 as the preferred DNS server， are unable to connect to Internet Web sites.
You need to enable Internet name resolution for all client computers.
What should you do（）
A.Create a copy of the .（root） zone on DNS1.
B.Update the list of root hints servers on DNS2.
C.Update the Cache.dns file on DNS2. Configure conditional forwarding on DNS1.
D.Delete the .（root） zone from DNS2. Configure conditional forwarding on DNS2.
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Your company has a main office and five branch offices that are connected by WAN links. The company has an Active Directory domain named contoso.com. Each branch office has a member server configured as a DNS server. All branch office DNS servers host a secondary zone for contoso.com.
You need to configure the contoso.com zone to resolve client queries for at least four days in the event that a WAN link fails.
What should you do（）
A.Configure the Expires after option for the contoso.com zone to 4 days.
B.Configure the Retry interval option for the contoso.com zone to 4 days.
C.Configure the Refresh interval option for the contoso.com zone to 4 days.
D.Configure the Minimum （default） TTL option for the contoso.com zone to 4 days.
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
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.
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.
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.
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
You have an enterprise subordinate certification authority （CA）. The CA issues smart card logon certificates.
Users are required to log on to the domain by using a smart card. Your company’s corporate security policy states that when an employee resigns， his ability to log on to the network must be immediately revoked.
An employee resigns. You need to immediately prevent the employee from logging on to the domain.
What should you do（）
A.Revoke the employee’s smart card certificate.
B.Disable the employee’s Active Directory account.
C.Publish a new delta certificate revocation list （CRL）.
D.Reset the password for the employee’s Active Directory account.
Your network contains an enterprise root certification authority （CA）. You need to ensure that a certificate issued by the CA is valid.
What should you do（）
A.Run syskey.exe and use the Update option.
B.Run sigverif.exe and use the Advanced option.
C.Run certutil.exe and specify the -verify parameter.
D.Run certreq.exe and specify the -retrieve parameter.
You have a server named Server1 that has the following Active Directory Certificate Services （AD CS） role services installed：
-Enterprise root certification authority （CA） -Certificate Enrollment Web Service -Certificate Enrollment Policy Web Service
You create a new certificate template.
External users report that the new template is unavailable when they request a new certificate. You verify that all other templates are available to the external users.
You need to ensure that the external users can request certificates by using the new template.
What should you do on Server1（）
A.Run iisreset.exe /restart.
B.Run gpupdate.exe /force.
C.Run certutil.exe -dspublish.
D.Restart the Active Directory Certificate Services service.
Your network contains two Active Directory forests named contoso.com and adatum.com. The functional level of both forests is Windows Server 2008 R2. Each forest contains one domain. Active Directory Certificate Services （AD CS） is configured in the contoso.com forest to allow users from both forests to automatically enroll user certificates.
You need to ensure that all users in the adatum.com forest have a user certificate from the contoso.com certification authority （CA）.
What should you configure in the adatum.com domain（）
A.From the Default Domain Controllers Policy， modify the Enterprise Trust settings.
B.From the Default Domain Controllers Policy， modify the Trusted Publishers settings.
C.From the Default Domain Policy， modify the Certificate Enrollment policy.
D.From the Default Domain Policy， modify the Trusted Root Certification Authority settings.
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