You have a server named Server1 that runs a Server Core installation of Windows Server 2012 R2. Server1 is configured to obtain an IPv4 address by using DHCP. You need to configure the IPv4  settings of the network connection on Server1 as follows：  （1）IP address： 10.1.1.1  （2）Subnet mask： 255.255.240.0  （3）Default gateway： 10.1.1.254  What should you run？（）

• A、netsh.exe
• B、netcfg.exe
• C、msconfig.exe
• D、ipconfig.exe