A,B,G are not right because the question is telling us 'without RMAN'. To put it in mount/open or so, are necessary only in case of using RMAN. Otherwise, using OS Utils, DB must be closed or maximum in NOMOUNT state. F is incorrect as according to the following note only archivelog, backuppiece, controlfilecopy or datafilecopy can be cataloged https://docs.oracle.com/cd/B19306_01/backup.102/b14194/rcmsynta011.htm