单项选择题
A.Ipconfig /registerdns: local.contoso.com
B.dnscmd server1 /zoneadd local.cotoso.com /DSPrimary.
C.Dnscmd server1 /zoneadd local.contoso.com /primary /file local.contoso.com.dns.
D.Netsh interface ipv4 set dnsserver name=local.contoso.com static 10.0.0.1 primary.
单项选择题 Your network contains a computer named Computer1 that runs Windows 7.You need to verify if Computer1 has active DirectAccess connections to the network.What should you do？（）
单项选择题 Contoso Ltd. has a single active directory forest that has five domains. Each domain has two DNS servers. Each DNS server hosts active directory-integrated zones for all five domains. All domain controllers run windows server 2008. Contoso acquires a company names tailspin toys. Tailspin toys has a single active directory forest that contains a single domain. You need to configure the DNS system in the contoso forest to provide name resolution for resources in both forests. What should you do?（）
单项选择题 Your network contains a server named Server1 that runs Windows Server 2008 R2. You plan to deploy DirectAccess on Server1.You need to configure Windows Firewall on Server1 to support DirectAccess connections.What should you allow from Windows Firewall on Server1？（）