Your network contains an Active Directory forest. All domain controllers run Windows Server  2008 R2 and are configured as DNS servers. You have an Active Directory-integrated zone for  contoso.com.  
You have a UNIX-based DNS server.  
You need to configure your Windows Server 2008 R2 environment to allow zone transfers of the  contoso.com zone to the UNIX-based DNS server.    
What should you do in the DNS Manager console（）

Your network consists of an Active Directory forest named contoso.com. All servers run Windows  Server 2008 R2. All domain controllers are configured as DNS servers. The contoso.com DNS  zone is stored in the ForestDnsZones Active Directory application partition.    
You have a member server that contains a standard primary DNS zone for dev.contoso.com.    
You need to ensure that all domain controllers can resolve names for dev.contoso.com.    
What should you do（）

You have a domain controller that runs Windows Server 2008 R2 and is configured as a DNS  server.    
You need to record all inbound DNS queries to the server.    
What should you configure in the DNS Manager console（）

Your network consists of an Active Directory forest that contains two domains. All servers run  Windows Server 2008 R2. All domain controllers are configured as DNS servers.    
You have a standard primary zone for dev.contoso.com that is stored on a member server.    
You need to ensure that all domain controllers can resolve names from the dev.contoso.com  zone.    
What should you do（）

Your company has an Active Directory domain named contoso.com. FS1 is a member server in  contoso.com.  
You add a second network interface card, NIC2, to FS1 and connect NIC2 to a subnet that  contains computers in a DNS domain named fabrikam.com.  Fabrikam.com has a DHCP server and a DNS server.  
Users in fabrikam.com are unable to resolve FS1 by using DNS. You need to ensure that FS1  has an A record in the fabrikam.com DNS zone. 
What are two possible ways to achieve this  goal（）

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（）

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（）

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（）

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（）

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（）

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（）