A . The ADR base keeps all diagnostic information in binary format
B . SQL*Plus provides the ADRI script, which can be used to work with ADR
C . The ADR can be used for problem diagnosis only when the database is open
D . The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
E . The ADR can be used for problem diagnosis even when the database instance is down
F . The ADR base is shared across multiple instance