Associated Certifications: Oracle Database 10g DBA OCA
Exam Price: US$ 195
Duration: 120 minutes
Number of Questions: 84
Passing Score: 68%
Managing Schema Objects
Exam Topics
Create and modify tables
Define constraints and states of constraints (7)
Dropping and truncating tables (7)
Create and use B-Tree and Bitmap indexes (8)
Create Views
Create sequences
Use data dictionary
Managing Data and Concurrency
Manipulate data through the use of SQL
Identify and administer PL/SQL objects
Describe triggers and triggering events
Define levels of locking
List possible causes of lock conflict
Monitor and resolve lock conflicts
Managing Undo Data
Monitor and administer undo
Configure undo retention
Describe the relationship between undo and transactions
Size the undo tablespace
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1Z0-042 practice exam
1. You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your database.
Which type of script does the backup scheduler generate?
A. SQL script
B. PL/SQL script
C. Operating System (OS) script
D. Enterprise Manager (EM) script
E. Recovery Manager (RMAN) script
Answer: E
2. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure, the instance has shut down before synchronizing all the database files.
Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD
3. Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus?
A. The user must be granted the database administrator (DBA) privilege.
B. The user must be listed in the password file for the authentication.
C. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
D. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant the webDba role to the user.
