The graphic shows the Oracle Database Appliance home page with the Topology tab selected. The page consists of two panes. The pane on the left side of the page is a navigation pane with a list of Oracle Database Appliance systems arranged under tags. The pane on the right side of the page has the system name at the top, and 5 tabs: Availability, Capacity, Machine, Configuration, Incidents, Topology. The Topology tab is shown. The right pane shows a hierarchical structure of the topology for All ODA systems. The tag named All ODA is at the top of the hierarchy and the example system oda1.acme.com is at the second level. At the third level are entries Hosts, Databases, and Virtualization. Below the Databases entry is a database icon labeled db1.