You are the administrator for a SharePoint Server 2010 Service Pack 1 (SP1) farm that spans the corporate network and perimeter network. Your company network contains Active Directory accounts for…

You are the administrator for a SharePoint Server 2010 Service Pack 1 (SP1) farm that spans the corporate network and perimeter network. Your company network contains Active Directory accounts for employees in the corporate network. The network also includes separate Active Directory accounts for vendors in the perimeter network. You want to prevent the perimeter network from accessing the accounts of employees. You need to design the extranet farm topology. Which type of topology should you use? (Choose the best answer.)