381 Pdfsam

The document defines several key terms related to Oracle Real Application Clusters (RAC) and high availability: - Network Time Protocol (NTP) ensures accurate synchronization of computer clock times in a network. - A node is a machine where an Oracle RAC instance resides. - Oracle Clusterware manages cluster database processing including node membership and resource management. - The Oracle Cluster Registry (OCR) manages configuration information for the RAC cluster.