CCMS
https://training-certifications.checkpoint.com/#/courses/Check%20Point%20Certified%20Multi-Domain Domain is a logical management environment that contains its own security policies, network objects, and configuration settings. Each Domain operates independently, allowing organizations to manage different business units, geographic regions, or security functions separately within a single Multi-Domain Management platform.%20Security%20Management%20Specialist%20(CCMS)
High Availability is redundancy and database backup for management servers. Synchronized servers have the same policies, rules, user definitions, network objects, and system configuration settings.