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1.In the Oracle9i Data Guard architecture, what is the purpose of the Log Transport Services?
A.to transfer redo log information to one or more destinations
B.to apply redo log records sent from the primary database to a standby database at the receiving
location
C.to synchronize changes to the control files on all standby databases with changes on the primary
database when a log switch occurs
D.to batch archived log files on the primary database until a defined number of checkpoints have been
processed and then to distribute the archives to each standby database
Correct:A
2.Consider the following statement: SQL> EXECUTE DBMS_STATS.GATHER_SCHEMA_STATS (- 2>
ownname => 'OE', - 3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE, - 4> method_opt
=> 'for all columns size AUTO'); What is the effect of 'for all columns size AUTO' of the
METHOD_OPT option?
A.The Oracle server creates a new histogram based on existing histogram definitions for all table, column,
and index statistics for the OE schema.
B.The Oracle server creates a histogram based on data distribution regardless of how the application
uses the column/s for all table, column, and index statistics for the OE schema.
C.The Oracle server creates a histogram based on data distribution and application usage of the
column/s for all table, column, and index statistics for the OE schema.
D.The Oracle server creates a histogram based on application usage, regardless of data distribution, for
all table, column, and index statistics for the OE schema.
Correct:C
3.What criterion does Oracle9i use to determine whether a database file is an Oracle Managed File?
A.the filename format
B.information stored inside a data dictionary table
C.information stored in the ALERT.LOG file for the corresponding instance
D.information stored inside the corresponding initialization parameter file for the instance
Correct:A
4.Which CREATE TABLE parameter should you be concerned with if the length of rows in an
index-organized table vary over a wide range of values?
A.PCTFREE
B.PCTUSED
C.PCTINCREASE
D.PCTTHRESHOLD
Correct:D
5.In order to speed foreign key creation, Oracle9i will cache the first _____ primary key values
only where there are multirow DML statements.
A.32
B.128
C.256
D.512
Correct:C
6.Consider the following scenario using incremental backups. A level 1 backup is taken on the
first of the month. A level 2 backup is taken every Sunday, and a level 3 backup is taken daily. If
the database gets corrupted on the second Wednesday of the month and is lost, which scenario
would restore the database completely?
A.the weekly backup (level 2) and the daily backup (level 3)
B.the monthly backup (level 1) and the daily backup (level 3)
C.a base level backup (level 0) is missing and nothing can be recovered
D.the monthly backup (level 1), the weekly backup (level 2) and the daily backup (level 3)
Correct:C
1.In the Oracle9i Data Guard architecture, what is the purpose of the Log Transport Services?
A.to transfer redo log information to one or more destinations
B.to apply redo log records sent from the primary database to a standby database at the receiving
location
C.to synchronize changes to the control files on all standby databases with changes on the primary
database when a log switch occurs
D.to batch archived log files on the primary database until a defined number of checkpoints have been
processed and then to distribute the archives to each standby database
Correct:A
2.Consider the following statement: SQL> EXECUTE DBMS_STATS.GATHER_SCHEMA_STATS (- 2>
ownname => 'OE', - 3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE, - 4> method_opt
=> 'for all columns size AUTO'); What is the effect of 'for all columns size AUTO' of the
METHOD_OPT option?
A.The Oracle server creates a new histogram based on existing histogram definitions for all table, column,
and index statistics for the OE schema.
B.The Oracle server creates a histogram based on data distribution regardless of how the application
uses the column/s for all table, column, and index statistics for the OE schema.
C.The Oracle server creates a histogram based on data distribution and application usage of the
column/s for all table, column, and index statistics for the OE schema.
D.The Oracle server creates a histogram based on application usage, regardless of data distribution, for
all table, column, and index statistics for the OE schema.
Correct:C
3.What criterion does Oracle9i use to determine whether a database file is an Oracle Managed File?
A.the filename format
B.information stored inside a data dictionary table
C.information stored in the ALERT.LOG file for the corresponding instance
D.information stored inside the corresponding initialization parameter file for the instance
Correct:A
4.Which CREATE TABLE parameter should you be concerned with if the length of rows in an
index-organized table vary over a wide range of values?
A.PCTFREE
B.PCTUSED
C.PCTINCREASE
D.PCTTHRESHOLD
Correct:D
5.In order to speed foreign key creation, Oracle9i will cache the first _____ primary key values
only where there are multirow DML statements.
A.32
B.128
C.256
D.512
Correct:C
6.Consider the following scenario using incremental backups. A level 1 backup is taken on the
first of the month. A level 2 backup is taken every Sunday, and a level 3 backup is taken daily. If
the database gets corrupted on the second Wednesday of the month and is lost, which scenario
would restore the database completely?
A.the weekly backup (level 2) and the daily backup (level 3)
B.the monthly backup (level 1) and the daily backup (level 3)
C.a base level backup (level 0) is missing and nothing can be recovered
D.the monthly backup (level 1), the weekly backup (level 2) and the daily backup (level 3)
Correct:C