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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. Which three statements are correct about temporary tables? (Choose three.)

A) Indexes and views can be created on temporary tables.
B) Both the data and the structure of temporary tables can be exported.
C) Data manipulation language (DML) locks are never acquired on the data of temporary tables.
D) Temporary tables are always created in a user's temporary tablespace.
E) The data inserted into a temporary table in a session is available to other sessions.

2. The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings, workload profile, and statistics to diagnose the possible causes of the performance degradation?

A) by running the Automatic Database Diagnostic Monitor (ADDM)
B) by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
C) by using the SQL access advisor
D) by using the Automatic Workload Repository Compare Period report
E) by using the Automatic Workload Repository report

3. Which three statements are true regarding the logical structure of the Oracle database? (Choose three.)

A) A data block is the smallest unit of I/O for data files.
B) Multiple tablespaces can share single data file.
C) Each data block in the database always corresponds to one OS block.
D) Each segment contains one or more extents.
E) It is possible to have tablespaces of different block sizes in a database.

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

5. 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) 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
B) 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
C) create a database by using CREATE DATABASE .. command and manually copy the data
D) use Database Configuration Assistant (DBCA) to create a template from the existing database to contain the database structure

Solutions: