You are the network administrator for Company. Company has recently upgraded its network to a 100Mbps standard and you are now in the process of removing all the old adapter and installing a new Token Ring network adapter into the Windows 2000 Professional computer. On the first computer you install the new hardware and configure the static TCP/IP protocol settings to be the same as they were for the previously installed network adapter. When you restart the computer, however, you cannot access the network. You try to ping your network adapter's TCP/IP address locally. You receive the following error message: "Request timed out." You want to enable the computer to communicate on the new network. What should you do? （）

• A、Enable DHCP in the TCP/IP properties.
• B、Replace the Token Ring network adapter with an Ethernet network adapter.
• C、Configure a different TCP/IP address on the same subnet.
• D、Configure a valid DNS Server in the TCP/IP properties.