As a senior administrator at Cer-tech .com， you manage a server named ERA1 that runs Windows Server2008. It has the Windows SharePoint Services （WSS） role installed in a standalone mode.You also manage another server called ERA2. For a big project， you install WSS role on ERA2. You indicate duringthe installation that the ERA2 must be the member of a WSS server farm. But you are unable to connect toERA1 in the WSS server farm. What should you do to configure both ERA1 and ERA2 in the WSS serverarm？（）

A. reduce the Microsoft .NET Framework Trust Level to Low on both ERA1 and ERA2
B. Reconfigure the Web Management Service on ERA1
C. Set the Microsoft .NET Framework Trust Level to High on both ERA1 and ERA2
D. Uninstall the WSS on ERA1 and select the server farm mode while reinstalling it.
E. None of the above