You are using the flash recovery area （fast recovery area in 11g Release 2) to store backu

A. A DBA can enable or disable an individual task in all maintenance windows.

B. A DBA cannot change the duration of the maintenance window after it is created.

C. In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four hours.

D. A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in each window.

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format

A.p0 = p1;

B.p1 = p2;

C.p2 = p4;

D.p2 = (ClassC)p1;

E.p1 = (ClassB)p3;

F.p2 = (ClassC)p4;

A. ALTER DISKGROUP data CHECK;

B. ALTER DISKGROUP data CHECK DISK;

C. ALTER DISKGROUP data CHECK FILE;

D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1;

A. Only data files and the control file are backed up.

B. Archived redo logs are backed up only I f the database is open during the backup.

C. The backup is deleted after one day, regardless of the default retention policy settings.

D. The backup becomes obsolete after one day, regardless of the default retention policy settings.

A. any class

B. only the Target class

C. any class in the test package

D. any class that extends Target

A. It repairs blocks that have read disk I/O errors.

B. It checks whether the alias metadata directory and the file directory are linked correctly.

C. It repairs blocks by always reading them from the mirror copy and writing them to the original location.

D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.

A.insert a call to this() in the Car constructor

B.insert a call to this() in the MeGo constructor

C.insert a call to super() in the MeGo constructor

D.insert a call to super(vin) in the MeGo constructor

E.change the wheelCount variable in Car to protected

F.change line 3 in the MeGo class to super.wheelCount = 3;

selected the option to create a database as part of the installation. How would this environment variable setting affect the installation?（）

A. The installation terminates with an error.

B. The installation proceeds with the default value without warnings and errors.

C. The installation proceeds with the default value but it would not be an OFA-compliant database.

D. The installation proceeds with the default value but a message would be generated in the alert log file.

After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself.What design issue has the team discovered?（）

A.Tight coupling

B.Low cohesion

C.High cohesion

D.Loose coupling

E.Weak encapsulation

F.Strong encapsulation