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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. What is the implication of setting the initialization parameter FAST_START_MTTR_TARGET to 0 in your database?

A) Automatic tuning of checkpoint would be disabled.
B) Checkpoint information would not be written to the alert log file.
C) MTTR Advisor would be disabled.
D) Redo Log Advisor would be disabled.

2. You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks:
1.Shut down the database instance.
2.Copy the control file to new location.
3.Configure the CONTROL_FILES parameter.
4.Restart the instance.
Select the correct order in which these tasks need to be performed.

A) 1,2,3,4
B) 3,1,2,4
C) 2,3,1,4
D) 3,2,1,4

3. Your tnsnames.ora file has the following entry for the service alias ORCL:
ORCL = ( DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.156.24.216)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl.oracle.com)
)
)
The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command:
SQL> CONNECT scott/tiger@orcl
What could be the reason for this?

A) The orcl.oracle.com database service is not registered with the listener.
B) The DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNET.ORA file.
C) The listener is not running at the server.
D) The TNS_ADMIN environmental variable is set to a wrong value.

4. 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

5. 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 without shutting down the database.
C) The data file is taken offline automatically; the database remains open.
D) The data files can be recovered till the last committed transaction.

Solutions: