The three networked folders are found on the dock and designated with the following icons:
Currently connection is actually semi-automatic: Connection to a folder is created once a user clicks on one of the folders in the dock and then the user is automatically logged into the computer where the folder is physically located. There will likely be a slight delay after which a drive will appear on the desktop. After this the folder will be accessible by clicking on the desired folder.
To set this up are the following screen-shots: