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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

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

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

2. 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 can perform complete database backups without closing the database.
C) Archiving information is written to the data files and redo log files.
D) You have to shut down the database to perform the backups.
E) All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

3. Your database is running in the ARCHIVELOG mode. You placed a tablespace, tbs_1, offline with the immediate option. Which statement is correct in this scenario?

A) If the above operation were successful, instance recovery would be required to bring the tablespace online.
B) The operation would fail if tbs_1 were a read-only tablespace.
C) The operation would fail if tbs_1 were a read/write tablespace.
D) If the above operation were successful, media recovery would be required to bring the tablespace online.
E) The operation would fail if tbs_1 were the default tablespace for the database.

4. A user receives the following error while executing a query:
ORA-01555: snapshot too old
Which two options can be the solutions to avoid such errors in future? (Choose two.)

A) increase the size of the Database Buffer Cache
B) increase the size of redo log files
C) increase the size of the default temporary tablespace
D) enable the retention guarantee for the undo tablespace
E) increase the size of the undo tablespace

5. You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database. Which file is used by the Oracle database server to authenticate APP_DBA?

A) password file
B) control file
C) listener controller file
D) control file and password file

Solutions: