Oracle database 10g:Administration I : 1Z0-042

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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. In your database, the Log Writer (LGWR) process is unable to write to a member of a current redo log group due to read/write failure. Which two effects would you see in your database? (Choose two.)

A) The database operation temporarily halts till the member becomes available.
B) The status of the group changes to INACTIVE and an error message would be written to the alert log file and LGWR trace file.
C) The database instance aborts.
D) Writing proceeds as normal. LGWR writes to the available members of a group and ignores the unavailable members.
E) The member would be marked as STALE and an error message would be written to the alert log file and LGWR trace file.

2. Your database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups? (Choose three.)

A) The backups would be consistent.
B) The backups need not be restored during recovery in case of a media failure.
C) The backups need to be restored and database has to be recovered in case of a media failure.
D) The backups would be possible only if the database is running in ARCHIVELOG mode.
E) The backups would be possible only if the database is running in NOARCHIVELOG mode.
F) The backups would be inconsistent.

3. Which two statements about Flashback Query are true? (Choose two.)

A) It can be performed to recover ALTER TABLE statements
B) It helps in row-level recovery from user errors.
C) The database has to be opened with the resetlogs option after performing Flashback Query.
D) It fails when undo data pertaining to the transaction is overwritten.
E) It is generated by using the redo log files.

4. A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command? (Choose two.)

A) It fails if any existing row violates the constraint.
B) It enables the constraint to be enforced at the end of each transaction.
C) It prevents insert, update, and delete operations on the table while the constraint is in the process of being enabled.
D) It does not validate the existing data in the table.

5. A user wants to connect to the database instance from an application that is running on a remote machine. Which tools should the DBA use to establish the required configuration to ensure that the user is able to connect to the database instance? (Choose two.)

A) Oracle Universal Installer (OUI)
B) Oracle Enterprise Manager
C) Data Pump
D) Oracle Net Manager
E) Database Configuration Assistant (DBCA)

Solutions: