| 
Field
 | 
Description
 | 
      | 
Available topologies
 | 
Lists the topologies that have been archived.
 | 
      | 
Current topology
 | 
Check the Current Topology check box to select. Once selected, you can select a topology from the Dates column to compare the two topologies.
 | 
      | 
Dates
 | 
Lists the date of each historical topology snapshot (for example, 2003-10-2914:47:34, with a selectable check box. | 
      | 
Compare Selected
 | 
Check the Select check box that corresponds to the two topology snapshots you want to compare. A differences list is displayed.
 | 
      | 
Delete Selected
 | 
Check the Select check box that corresponds to the topology snapshot you want to delete. 
 |