單項(xiàng)選擇題

While performing the backup of the flash recovery area, you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area?（）

A.The backup fails because one of the archived redo log files is missing.
B.The backup succeeds but it would be without the missing archived log.
C.During backup, you are prompted for the alternative destination for the missing archived redo log file.
D.The backup succeeds because it fails over to one of the alternative archived redo log destinations.

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單項(xiàng)選擇題

Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? （）

A.SQL statements that are part of the AWR baseline only
B.SQL statements based on the AWR top SQL identification
C.SQL statements that are part of the available SQL Tuning Set (STS) only
D.SQL statements that are available in the cursor cache and executed by a user other than SYS

多項(xiàng)選擇題

What are the advantages of variable extent size support for large ASM files?（）

A.It improves resync operations when the disk comes online after being taken offline for maintenance purposes.
B.It improves performance in the extended cluster configuration by reading from a local copy of an extent.
C.Fewer extent pointers are needed to describe the file and less memory is required to manage the extent maps in the shared pool.
D.This feature enables faster file opens because of the reduction in the amount of memory that is required to store file extents.