You are the administrator for a SharePoint 2010 farm that spans the corporate network and perimeter network. Your company network contains Active Directory accounts for internal users in the…

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