Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

A: Media Management messages for SBT devices are always written to sbtio.log. B: RMAN error stacks should be read from the bottom up as that is the order in which errors are generated. C: RMAN error stacks should be read from the top down as that is the order in which errors are generated. D: The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file and to standard output. E: The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only. F: Media Management messages for SBT devices are written to an Oracle trace file.