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Oracle database 10g:Administration I Sample Questions:

1. In your database, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is
the impact of this setting?

A) The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
B) Only the timed operating system (OS) statistics and plan execution statistics are collected.
C) The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
D) Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAG
E) The optimizer statistics are collected automatically.

2. Data files of which three tablespaces can be recovered by performing an open recovery? (Choose three.)

A) TEMP
B) SYSTEM
C) SYSAUX
D) INDEX
E) UNDO

3. Your test database is running in NOARCHIVELOG mode. What are the implications of this?

A) You cannot perform schema-level logical backups.
B) You can perform the backup of only the SYSTEM tablespace when the database is open.
C) You can perform open database backups.
D) You can perform closed database backups.

4. Which statement is true about the loss of system-critical data files in ARCHIVELOG mode?

A) The data files can be recovered to the time of the most recent backup.
B) The data files can be recovered till the last committed transaction.
C) The data files can be recovered without shutting down the database.
D) The data file is taken offline automatically; the database remains open.

5. You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?

A) use the direct path data load of Oracle export and import utility
B) use the Oracle Data Pump export and import utility
C) use the external table population
D) use the conventional path data load of SQL*Loader utility

Solutions: