Your company has a single Active Directory forest that has an Active Directory domain name

Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that the stale resource records are removed from na.contoso.com.What should you do？（）

A. Stop and restart the DNS Server service on Server1.

B. Enable DNS scavenging on the na.contoso.com zone.

C. Run the dnscmd Server1 /AgeAllRecords command on Server1.

D. Run the dnscmd Server1 /StartScavenging command on Server1.

Your company has a single active directory forest that has an active directory domain named na.contoso.com.zone. you have enabled DNS scavenging on server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. you need to ensure that the stale resource records are removed from na.contoso.com. what should you do?（）

A.Stop and restart the DNS service on server1.

B.Enable DNS scavenging on the na.contoso.com zone.

C.Run the dnscmd server1 /ageallrecords command on server1/.

D.Run the dnscmd server1 /startscavenging command on server1.

Your company has a single active directory forest that has an active directory domain named na.contoso.com. a member server named server2 runs the DNS server role. The server2 DNS service hosts multiple secondary zones including na.contoso.com. you need to reconfigure server2 as a caching-only DNS server. What should you do?（）

A.Uninstall and reinstall the DNS service on server2.

B.Change all the DNS zones on server2 to stub zones.

C.Disable and then enable the DNS service on server2.

D.Delete the na.contoso.com DNS zone domain from server2. Restart the DNS service on server2.

YourcompanyhasasingleActiveDirectoryforestthathasanActiveDirectorydomainnamedna.contoso.comAmemberservernamedServer2runstheDNSserverrole.TheServer2DNSservicehostsmultiplesecondaryzonesincludingna.contoso.com.YouneedtoreconfigureServer2asacaching-onlyDNSserver.Whatshouldyoudo（）

A.UninstallandreinstalltheDNSserviceonServer2

B.ChangealltheDNSzonesonServer2tostubzones

C.DisableandthenenabletheDNSserviceonServer2

D.Deletethena.contoso.comDNSzonedomainfromServer2.RestarttheDNSserviceonServer2.

YourcompanyhasamainofficeinChicagoandabranchofficeinNewYork.ThecompanyhasasingleActiveDirectorydirectoryserviceforestwithfourdomains.Twoofthedomaincontrollersaredescribedinthefollowingtable.

Anapplicationhasaservercomponentandaclientcomponent.Whentheservercomponentisinstalled，severalschemaclassesandattributesareadded.Auserinthene.sales.contoso.comdomaininstallstheclientcomponentonhisclientcomputer.Youtheninstalltheservercomponent.Thirtyminutesafteryouinstalltheservercomponent，theuserattemptstoruntheclientcomponent，butreceivesanerrormessagestatingthattheschemaobjectscannotbefound.YouverifythattheobjectsarepresentonDC1.TheuserslogonserverisDC4.Youneedtoensurethattheusercanimmediatelyruntheclientcomponent.

Whatshouldyoudo？（）

Your company has a single Active Directory forest that has six domains. All DNS servers in the forest run Windows Server 2008 R2.You need to ensure that all public DNS queries are channeled through a single-caching-only DNS server.Which two actions should you perform？（）

A. Disable the root hints.

B. Enable BIND secondaries.

C. Configure a forwarder to the caching DNS server.

D. Configure a GlobalNames host (A) record for the hostname of the caching DNS server.

Your company has a single active directory forest that has a domain in north America named na.contoso.com and a domain in south America named sa.contoso.com. the client computers run windows vista. You need to configure the client computes in the America office to improve the name resolution response time for resources in the south America office what should you do?（）

A.Configure a new GPO that disables the local-link multicast name resolution feature. Apply the policy to all the client computers in the north America office.

B.Configure a new GPO that enabled the loca-link multicast name resolution feature. Apply the policy to all the client computers in the North America office.

C.Configure a new GPO that configures the DNS suffix search list option to sa.contoso.com, na.contoso.com. apply the policy to all client computers in the north America office.

D.Configure the priority value for the SRV records on each of the north American domain controllers to 5.

Your company has a single Active Directory forest that has a domain in North America named na.contoso.com and a domain in South America named sa.contoso.com. The client computers run Windows 7. You need to configure the client computers in the North America office to improve the name resolution response time for resources in the South America office.What should you do？（）

A. Configure a new Group Policy object (GPO) that disables the Local-Link Multicast Name Resolution feature. Apply the policy to all the client computers in the North America office.

B. Configure a new Group Policy object (GPO) that enables the Local-Link Multicast Name Resolution feature. Apply the policy to all the client computers in the North America office.

C. Configure a new Group Policy object (GPO) that configures the DNS Suffix Search List option to sa.contoso.com, na.contoso.com. Apply the policy to all the client computers in the North America office.

D. Configure the priority value for the Service Location (SRV) records on each of the North America domain controllers to 5.

your company has a single active directory forest that has a domain in North America named na.contoso.com and a domain in south America named sa.contoso.com. The client computers run windows vista. You need to configure the client computes in north America office to improve the name resolution response time for resources in the south ameirca offica. What should you do?（）

A.Configure a new GPO that disables the Local-Link multicast name resolution feature. Apply the policy to all the client computes in the north America office.

B.Configure a new GPO that enables the local-Link Multicast name resolution feature. Apply the policy to all the client computers in the north America office.

C.Configure a new GPO that configures the DNS suffix search list option to sa. Contoso.com, na.contoso.com apply the policy to all the client computers in the north America office.

D.Configure the priority value for the SRV records on each of the north America domain controllers to 5.

YourcompanyhasasingleActiveDirectoryforestthathassixdomains.AllDNSserversintheforestrunWindowsServer2008.YouneedtoensurethatallpublicDNSquieriesarechanneledthroughasinglecahing-onlyDNSserver.Whichtwoactionsshouldyouperform？（）

A.Disabletheroothints

B.EnableBINDsecondaries

C.ConfigureaforwardertothecachingDNSserver

D.ConfigureaGlobalNameshost（A）recordforthehostnameofthecachingDNSserver