单项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server1 that runs Windows Server 2012 R2. You create a new inbound rule by using Windows Firewall with Advanced Security. You need to configure the rule to allow Server1 to accept unsolicited inbound packets that are received through a network address translation (NAT) device on the network. Which setting in the rule should you configure?（）

单项选择题 Your network contains an Active Directory forest. The forest functional level is Windows Server 2012 R2. The forest contains a single domain. The domain contains a member server named Server1. Server1 runs windows Server 2012 R2. You purchase a network scanner named Scanner1 that supports Web Services on Devices(WSD). You need to share the network scanner on Server1. Which server role should you install on Server1?（）

单项选择题 Your network contains multiple subnets. On one of the subnets, you deploy a server named Server1 that runs Windows Server 2012 R2. You install the DNS Server server role on Server1, and then you create a standard primary zone named contoso.com. You need to ensure that client computers can resolve single-label names to IP addresses. What should you do first?（）