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.正确答案AC
