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Q41. View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT has started a query on a large table in the peak transactional hour that performs bulk inserts. The query runs for more than 15 minutes and then SCOTT receives the following error:

ORA-01555: snapshot too old

What could be the reason for this error?

Exhibit:

A. The query is unable to get a read-consistent image.

B. There is not enough space in Flash Recovery Area.

C. There is not enough free space in the flashback archive.

D. The query is unable to place data blocks in undo tablespace.

Answer: A


Q42. Identify two situations in which the block header grows in a data block. (Choose two.)

A. When row directories need more row entries

B. When there is row migration in the data block

C. When there is an increase in the PCTFREE value for the data block

D. When more transaction slots are required than are initially configured

Answer: AD


Q43. Automatic Shared Memory Management (ASMM) has been enabled for your database instance.

The initialization parameters for the components that are managed by ASMM are not set. After observing the effects of ASMM, you executed the following command:

SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;

Which statement is true in this scenario?

A. The minimum memory size for the database buffer cache is set to 100 MB.

B. The maximum memory size that can be obtained by the database buffer cache during ASMM is set to 100 MB.

C. The minimum memory size allocated for a server process in the database buffer cache in dedicated mode is set to 100 MB.

D. The maximum memory size from the database buffer cache that can be released for dynamic distribution during ASMM is set to 100 MB.

Answer: A


Q44. You are managing an Oracle Database 11g database. The database is open, and you plan to perform Recovery Manager (RMAN) backups.

Which three statements are true about these backups? (Choose three.)

A. The backups would be consistent.

B. The backups would be inconsistent.

C. The backups would be possible only if the database is running in ARCHIVELOG mode.

D. The backups would be possible only if the database is running in NOARCHIVELOG mode.

E. The backups need to be restored and the database has to be recovered in case of a media failure.

Answer: BCE


Q45. Which two files in the database can be configured for automatic backups by using the autobackup feature in Recovery Manager (RMAN)? (Choose two.)

A. Data Files

B. Control Files

C. Parameter Files

D. Online Redo Log Files

E. Server Parameter File

Answer: BE


Q46. Which two statements are true regarding undo tablespaces? (Choose two.)

A. The database can have more than one undo tablespace

B. The UNDO_TABLESPACE parameter is valid in both automatic and manual undo management

C. Undo segments automatically grow and shrink as needed, acting as circular storage buffer for their assigned transactions

D. An undo tablespace is automatically created if the UNDO_TABLESPACE parameter is not set and the UNDO_MANAGEMENT parameter is set to AUTO during the database instance start up

Answer: AC


Q47. Examine the values for the following initialization parameters:

FAST_START_MTTR_TARGET=0

LOG_CHECKPOINT_INTERVAL=0

Which two will be the implications of these values in your database? (Choose two.)

A. The SGA advisor will be disabled

B. The MTTR advisor will be disabled

C. Automatic checkpoint tuning will be disabled

D. Checkpoint information will not be written to the alert log file

Answer: BC


Q48. You have a large amount of historical data in a flat file. Some analysts in your organization need to query this data in the file. The file is too large to load the data in it into your current database.

Which is the most effective method to access this data in your database?

A. Use the database link.

B. Use the SQL*Loader utility.

C. Use the Oracle Data Pump utility.

D. Create an external table and leave the data in the flat file.

Answer: D


Q49. You executed this command to create a temporary table:

SQL> CREATE GLOBAL TEMPORARY TABLE report_work_area (

startdate DATE,

enddate DATE,

class CHAR(20)

) ON COMMIT PRESERVE ROWS;

Which statement is true about the rows inserted into the REPORT_WORK_AREA table during a transaction?

A. The rows stay in the table only until session termination

B. The rows stay in the table only until the next transaction starts on the table

C. The rows are visible to all current sessions after the transaction in committed

D. The rows stay available for subsequent sessions after the transaction is committed

Answer: A


Q50. You set the following parameters in the parameter file and restarted the database:

MEMORY_MAX_TARGET=0

MEMORY_TARGET=500M

PGA_AGGREGATE_TARGET=90M

SGA_TARGET=270M

Which two statements are true about these parameters after the database instance is restarted?

(Choose two.)

A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.

B. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero.

C. The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.

D. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.

Answer: AD