单项选择题
A. Run netsh advfirewall set global statefulftp enable.
B. Create an inbound firewall rule to allow App1.exe.
C. Create a tunnel connection security rule.
D. Run Set-NetFirewallRule -DisplayName DynamicFTP -Profile Domain
单项选择题 Your company has a main office and two branch offices. The offices connect to each other by using a WAN link. In the main office, you have a server named Server1 that runs Windows Server 2012 R2. Server1 is configured to use an IPv4 address only. You need to assign an IPv6 address to Server1. The IP address must be private and routable. Which IPv6 address should you assign to Server1?（）
单项选择题 Your network contains an Active Directory domain named contoso.com. The DNS zone for contoso.com is Active-Directory integrated. The domain contains 500 client computers. There are an additional 20 computers in a workgroup. You discover that every client computer on the network can add its record to the contoso.com zone. You need to ensure that only the client computers in the Active Directory domain can register records in the contoso.com zone. What should you do?（）
问答题 You have a server named Server1 that runs Windows Server 2012 R2. You need to switch Server1 to a Server Core installation of Windows Server 2012 R2. What command should you run? To answer, select the appropriate options in the answer area.