Oracle 10g DBA 1Z0-042

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Oracle database 10g:Administration I Sample Questions:

1. You plan to use static database registration for a new listener when you create it. What could be the two reasons for this? (Choose two.)

A) The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.
B) More than one database is to be registered with the listener.
C) The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
D) The database that is to be registered with the listener is configured in shared server mode.
E) The users will connect the database by using the host naming method.

2. After being hired as a database administrator, you find that there is only one database that is functional and that is being accessed by the applications. You want to create a replica of the database, to be used for testing purposes. What is the best method to create the replica?

A) create a database by using CREATE DATABASE .. command and manually copy the data
B) use DBCA to create a template from the existing database to contain the database structure with data files and then use the same template to create the database in the new location
C) use Database Configuration Assistant (DBCA) to create a template from the existing database to contain the database structure
D) use DBCA to create a template from the existing database to contain the database structure and then manually copy the data using Oracle Data Pump

3. You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance?

A) run the Automatic Database Diagnostic Monitor (ADDM) on top SQL statements
B) run SQL Tuning Advisor on top SQL statements
C) run the Automatic Workload Repository (AWR) report
D) run Segment Advisor

4. You are creating a locally managed tablespace to meet the following requirements:
All the extents should be of the same size.
The data should be spread across two data files.
A bitmap should be used to record the free space within the allocated extents.
Which three options would you choose? (Choose three.)

A) create the tablespace as smallfile tablespace
B) use the RESIZE clause while creating the tablespace
C) specify extent allocation as Uniform
D) set segment space management to Automatic
E) set PCTFREE and PCTUSED to 50
F) create the tablespace as bigfile tablespace
G) specify extent allocation as Automatic

5. View the Exhibit to see the source and target databases.
You have created a database link, devdb.us.oracle.com, between the databases PRODDB and DEVDB. You want to import schema objects of the HR user using Oracle Data Pump from the development database, DEVDB, to the production database, PRODDB. You execute the following command on the target database server:
$impdp system/manager directory = DB_DATA dumpfile = schemas.dat schemas = hr flashback_time = 2004-02-03 09:00
The command fails, displaying the following error:
ORA-39001: invalid argument value ORA-39000: bad dump file specification ORA-31640: unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037: unable to obtain file status
What would you do to overcome the error?

A) remove the schemas option and add the network_link = devdb.us.oracle.com option in the command
B) add the user, SYSTEM, to the schemas option in the command
C) remove the dumpfile option and add the network_link = devdb.us.oracle.com option in the command
D) remove the flashback_time option in the command
E) remove the dumpfile option in the command
F) add network_link = devdb.us.oracle.com option in the command

Solutions: