Your company has a main office and a branch office. Multiple Visual Studio Team Foundation Server 2010 environments are deployed in the main office. A Team Foundation Server 2010 Proxy server is deployed in the branch office.
You need to configure the proxy server to cache version control files for all current and future team project collections from each environment.
What should you do?

A.
Update the proxy server configuration file to include each application tier server URL, without the collection name, as a <Uri> item in the <Server> item inside the <Servers> element.

B.
Update the proxy server configuration file to include each application tier server URL, including the collection name, as a <Uri> item in the <Server> item inside the <Servers> element.

C.
Create a system environment variable named TFSPROXY_ALLOWEDSERVERS and set the value to a semicolon-delimited list of all the application tier server URLs, without the collection names.

D.
Create a system environment variable named TFSPROXY_ALLOWEDSERVERS and set the value to a semicolon-delimited list of all the application tier server URLs, including the collection names.