Which are predefined roles for cluster administrators in clustered ONTAP 8.2? (choose all that apply)

'admin' is a predefined role in clustered ONTAP 8.2 that grants full administrative privileges to manage the entire cluster.

'read-only' is a predefined role in clustered ONTAP 8.2 that provides access to view cluster configurations and data without modification capabilities.

'vsadmin' is typically a predefined role for Vserver (SVM) administration, not for the entire cluster.

'vsadmin-backup' is generally a predefined role for Vserver (SVM) backup operations, not a global cluster administrator role.

'vsadmin-readonly' is typically a predefined role for Vserver (SVM) read-only access, not a global cluster administrator role.

'backup' is not a standard predefined cluster administrator role; it might be a custom role or specific to certain backup applications.

'vsadmin-autosupport' is typically a predefined role related to AutoSupport operations for a Vserver (SVM), not a global cluster administrator role.

The selection of 'H. none' along with 'A' and 'B' indicates that none of the other listed options (C, D, E, F, G) are predefined cluster administrative roles in ONTAP 8.2, making 'admin' and 'read-only' the only correct choices among the specific predefined options.