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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) Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAG
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) The optimizer statistics are collected automatically.
E) The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.

2. You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings, you find that the following parameter has been set in the parameter file of the database:
REMOTE_OS_AUTHENT = TRUE
What could have been the reason to set this parameter as TRUE?

A) to restrict the scope of administration to identical operating systems
B) to disable the administration of the operating system from a remote client
C) to enable the administration of the operating system from a remote client
D) to allow the start up and shut down of the database from a remote client
E) to enable operating system authentication for a remote client

3. Which is the correct description of the significance of the ORACLE_HOME environmental variable?

A) It specifies the directory for database files, if not specified explicitly.
B) It specifies the directory containing the Oracle-Managed Files.
C) It specifies the directory containing the Oracle software.
D) It specifies the base directory of Optimal Flexible Architecture (OFA).

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

5. You execute the following command to audit the database activities:
SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL;
What is the effect of this command?

A) One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.
B) One audit record is created for each successful DROP TABLE command executed in the session of SCOTT.
C) One audit record is created for every session when any user successfully drops a table owned by SCOTT.
D) One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users in his session.
E) One audit record is created for each successful DROP TABLE command executed by any user to drop tables owned by SCOTT.

Solutions:

Question # 1 Answer: C

Question # 2 Answer: E

Question # 3 Answer: C

Question # 4 Answer: D

Question # 5 Answer: A