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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. You plan to use static database registration for a new listener when you create it. What could be the two reasons for this? (Choose two.)

A) The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
B) The database that is to be registered with the listener is configured in shared server mode.
C) The users will connect the database by using the host naming method.
D) More than one database is to be registered with the listener.
E) The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.

2. Which two are valid locking levels that are used by transactions in an Oracle database? (Choose two.)

A) object level
B) row level
C) database level
D) block level
E) schema level

3. The session of user SCOTT receives the following error after executing an UPDATE command on the EMP table:
ERROR at line 1:
ORA-00060: deadlock detected while waiting for resource
On investigation, you find that a session opened by user JIM has a transaction that caused the deadlock.
Which two statements are true regarding the session of SCOTT in this scenario? (Choose two.)

A) It is terminated after receiving the error and JIM can continue with his transaction.
B) The transaction in it is terminated after receiving the error and JIM can continue with his transaction.
C) SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.
D) SCOTT has to reexecute the last command in the transaction after he commits the transaction.

4. Which two operations require undo data? (Choose two.)

A) recording a transaction to redo log files
B) rolling forward during instance recovery
C) committing a transaction
D) recovering from failed transactions
E) rolling back a transaction

5. The SCOTT user has an index on the ITEM_DESC column of the ITEM table. As part of the year-ending task, SCOTT updates the ITEM_DESC column for most of the rows in the ITEM table. How does this change to the table affect the index?

A) The index becomes invalid after the update.
B) A row in the leaf block of the index for the key value is deleted and inserted.
C) An update in a leaf row takes place.
D) The leaf block containing the row to be updated is marked as invalid.

Solutions: