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Question 36

Which two tasks can be performed on an external table?

A.partitioning the table
B.creating an invisible index
C.updating the table by using an update statement
D.creating a public synonym
E.creating a view

Question 37

Which set of statements is true about data dictionary views?
1. They are stored in the SYSTEM tablespace.
2. They are based on virtual tables.
3. They are owned by the SYS user.
4. They can be queried by a normal user only if the 07_DICTIONARY_ACCESSIBILITY parameter is set to TRUE.
5. The V$FIXED_TABLE view can be queried to list the names of these views.
6. They are owned by the SYSTEM user.

A.2, 5, and 6
B.1, 2, and 3
C.1 and 3
D.2, 3, 4, and 5

Question 38

You Execute the Following command to create a password file in the database server:
$ orapwd file = ‘+DATA/PROD/orapwprod entries = 5 ignorecase = N format = 12’ Which two statements are true about the password file? (Choose two.)

A.It records the usernames and passwords of users when granted the DBA role.
B.It contains the usernames and passwords of users for whom auditing is enabled.
C.Is used by Oracle to authenticate users for remote database administration.
D.It records the usernames and passwords of all users when they are added to the OSDBA or OSOPER operating system groups.
E.It supports the SYSBACKUP, SYSDG, and SYSKM system privileges.

Question 39

To enable faster incremental backups, you enabled block change tracking for the database.
Which two statements are true about the block change tracking file? (Choose two.)

A.The change tracking file must be created after the first level 0 backup.
B.The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.
C.Multiple change tracking files can be created for a database.
D.RMAN does not support backup and recovery of the change tracking file.

Question 40

Which two statements correctly describe the relationship between data files and logical database structures?

A.A segment cannot span data files.
B.A data file can belong to only one tablespace.
C.An extent cannot span data files.
D.The size of an Oracle data blockin a data file should be the same as the size of an OS block.