A router that performs Network Address Translation （NAT） is installed between your computer and the Internet. The router fails. You connect the computer directly to the Internet. You need to ensure that the computer is connected to the Internet in the most secure manner possible. What should you do？（）
- AEnable the Remote Desktop feature in the System Properties dialog box.
- BConfigure the network category of your network connection to Public.
- CConfigure the network category of your network connection to Private.
- DEnable the Windows Collaboration Computer Name Registration Service exception in Microsoft Windows Firewall.