A.OpenthefileatthelocationspecifiedbytheBACKGROUND_DUMP_DESTparameterinthepfile.
B.OpenthefileatthelocationspecifiedbytheUSER_DUMP_DESTparameterinthepfile.
C.IssuetheSERVICEScommandattheLSNRCTL>prompt.
D.IssuetheSTATUScommandattheLSNRCTL>prompt.