You administer a six-instance, policy-managed, multitenant RAC database CDB1 with three PDBs: PDB_1, PDB_2 and PDB_3.
Server pool prod_pool has a cardinality of three and all six hosts of the cluster app.
Examine these commands executed on HOST01:
$ srvctl add service -db CDB1 -pdb PDB_1 service AR -serverpool prod_pool -cardinality singleton
$ srvctl start service -db CDB1 -service AR
Which two statements are true regarding the AR service?
A. AR runs as a singleton service in the server pool prod_pool and the AR service is available in each of the CDB1 instances.
B. AR is available on any one available CDB1 instance in prod_pool at any one time.
C. AR can fail over to any one of the available CDB1 instances.
D. AR is available only on the CDB1 instance on HOST01.
E. AR can fail over to any other available CDB1 instance in prod_pool.
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