单项选择题

A.control fileB.tnsnames.oraC.data dictionaryD.initiali……

The database is configured for automatic archive logging. Along with the other required parameters， this entry is in the initialization file：log_archive_dest2="SERVICE=standby_db1 MANDATORY REOPEN=600" From where does the database resolve standby_db1？（）

A.control file
B.tnsnames.ora
C.data dictionary
D.initialization parameter file

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