多项选择题

Whichtwostatementsaretrueregardingredundancygroups?()

A.Whenprioritysettingsareequalandthemembersparticipatinginaclusterareinitializedatthesame
B.
C.Thepreemptoptiondeterminestheprimaryandsecondaryrolesforredundancygroup0duringafailure
D.
E.Redundancygroup0managesthecontrolplanefailoverbetweenthenodesofacluster.
F.Theprimaryrolecanbesharedforredundancygroup0whentheactive-activeoptionisenabled