单项选择题 your company has a server named server1 that runs a windows server 2008 core installation, and the DNS server role. Server1 has one network interface named local area connection. The static IP address of the network interface is configured as 10.0.0.1. you need to create a DNS zone named local.contoso.com on server1. Which command should you use?（）

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?（）