Which two statements are true regarding high availability (HA) on FortiAnalyzer? (Choose two.)

Which two statements are true regarding high availability (HA) on FortiAnalyzer? (Choose two.)

A. FortiAnalyzer HA can function without VRRP, and VRRP is required only if you have more than two FortiAnalyzer devices in a cluster. B. FortiAnalyzer HA supports synchronization of logs as well as some system and configuration settings. C. All devices in a FortiAnalyzer HA cluster must run in the same operation mode: analyzer or collector. D. FortiAnalyzer HA implementation is supported by all cloud providers.