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Oracle database 10g:Administration I Sample Questions:

1. 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 Database Configuration Assistant (DBCA) to create a template from the existing database to contain the database structure
C) 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
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

2. You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?

A) Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.
B) Load the data into your database by using the PARALLEL clause.
C) Upgrade the hardware/memory to accommodate the data.
D) Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.

3. You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database, you want the Oracle software to take care of all basic settings to optimize the database performance. Which method would you use to achieve this objective?

A) Use the CREATE DATABASE .. command to create the database with Oracle-managed files.
B) Use the Database Configuration Assistant (DBCA) to create the database with Oracle-managed files.
C) Use Database Configuration Assistant (DBCA) to create the database with Transaction Processing template.
D) Use Enterprise Manager to create a new database with the Online Transaction Processing (OLTP) option.
E) Use the CREATE DATABASE .. command to create the database with Automatic Storage Management (ASM) file system.

4. Because of a power outage, instance failure has occurred. From what point in the redo log does recovery begin and where does it end?

A) current redo log and inactive redo log
B) beginning of redo log to end of redo log
C) all redo logs before the point of last commit
D) beginning of redo log to checkpoint position
E) checkpoint position to end of redo log

5. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?

A) The backup contains only unused data blocks.
B) The backup contains all used data blocks.
C) The backup is similar to image copy.
D) The backup contains all data blocks changed since the last incremental level 1 backup.

Solutions: