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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

Question 1

The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance?

A. function based
B. B-tree
C. reverse key
D. bitmap

Question 2

Which two operations can be flashed back using the Flashback technology? (Choose two.)

A. DROP TABLE EMPLOYEES;
B. ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;
C. DROP USER SMITH;
D. ALTER TABLE SALES_REP DROP PARTITION P1;
E. DROP TABLESPACE USERS;

Question 3

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this?

A. Set the limits in the profiles used by users.
B. Use the Database Resource Manager.
C. Modify the SESSIONS initialization parameter.
D. Set the warning threshold for the Current Logons Count metric.

Question 4

Which two statements about Recovery Manager (RMAN) backups are true? (Choose two.)

A. RMAN backup can be taken only if the database is configured in ARCHIVELOG mode.
B. Online redo log files can be backed up.
C. Only consistent database backups can be performed.
D. Only used data blocks can be backed up as backup sets.
E. Archived redo log files are backed up.

Question 5

Which two statements are true regarding the database in ARCHIVELOG mode? (Choose two.)

A. Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
B. You have to shut down the database to perform the backups.
C. You can perform complete database backups without closing the database.
D. All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
E. Archiving information is written to the data files and redo log files.

Solutions: