单项选择题

Your boss at Certkiller .com wants you to clarify Oracle 10g. Which statement is true about the analysis of the Automatic Database Diagnostic Monitor （ADDM）？（）

A.A
B.B
C.C
D.D
E.E
F.F

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多项选择题

You work as a database administrator for Certkiller .com. Your listener process， L1，is currently listening to three databases：CertK INDB04，Certkiller DB05 and Certkiller DB06. Using Database Configuration Assistant （DBCA） you create one more database，Certkiller DB07，and enable dynamic registration.
Which two commands of Listener Control Utility （lsnrct1） would you use to determine whether the dynamic registration occurred for the database， Certkiller DB07， with the L1 listener process？（）

A.SHOW L1
B.SPAWN L1
C.STATUS L1
D.SERVICES L1
E.STATUS LISTENER
F.SERVICES LISTENER
G.SHOWcurrent_listener

单项选择题

You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of atablespace. Which statement is true in this scenario？（）

A.A
B.B
C.C
D.D
E.E

单项选择题

You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

A.The backup is similar to image copy.
B.The backup contains all used data blocks.
C.The backup contains only unused data blocks.
D.The backup contains all data blocks changed since the last incremental level 1 backup.