This figure shows an Oracle9iAS Farm, which contains two items: an Oracle9iAS Cluster and a stand-alone Oracle9iAS Instance named Oracle9iAS Instance 3. Within the cluster, there are two items: Oracle9iAS Instance 1 and Oralce9iAS Instance 2. Each of the three instances contain the same items: An Oracle HTTP Server instance with mod_oc4j, three OC4J Instances, OPMN, and DCM.