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Exam : Oracle 1Z0-020
Title : Oracle8l:New Features for Administrators


1. Which tool, integrated with Oracle universal installer, can be used by third-party vendors to install their products as art of an Oracle installation?
A. Oracle Software Packager.
B. Java Run-Time environment.
C. Database migration assistant.
D. Optimal flexible architecture.
Answer: A

2. What is true about creating indexes for a index-organized table?
A. Indexes cannot be added to index-organized tables.
B. An index can be created only for the primary key values.
C. An index can be created for any column or set of columns in the table.
D. At most, one index can be created for the primary key values and one for nonprimary key values.
Answer: C

3. Which two statements are true? (Choose two)
A. Composite partitioning supports local indexes.
B. Composite partitioning supports hash-partitioned global indexes.
C. Composite partitioning supports range-partitioned global indexes
D. Composite partitioning supports composite-partitioned global indexes.
Answer: BD

4. What is the maximum number of archival destinations allowed in Oracle 8i?
A. 1
B. 2
C. 3
D. 5
E. 7
Answer: D

5. Which two statements are true? (Choose two)
A. Dimensions are based on summaries.
B. The ALTER MATERIALIZED VIEW CONSIDER FRESH statement directs Oracle to consider the materialized view fresh, and therefore eligible for query rewrite in the TRUSTED or STALE_TOLERATED mode only.
C. Summaries without dimensions are used for faster aggregation.
D. Additional query rewrites at a higher level of aggregation can take place if summaries are created at the lowest level of aggregation.
Answer: AD

6. What can you see when querying V$LOGMNR_CONTENTS?
A. The SQL statement run and the old image.
B. The SQL statement run, and the new image.
C. Only the redo generated by the current schema.
D. The SQL statement run, and the relevant undo SQL statement.
E. The old image and the new image of the row that was modified.
Answer: E

7. Examine this command:
ALTER SYSTEM SET USESTORED_OUTLINE = TRUE;
Which outline category will be used?
A. SYS
B. OUTLINE
C. TRUE
D. DEFAULT
Answer: D

8. Examine this execution plan:
Execution Plan
--------------------------------------------------------------
0 SELECT STATEMENT Optimizer = CHOOSE
1 0 COUNT (STOPKEY)
2 1 VIEW
3 2 SORT (ORDER BY STOPKEY)
4 3 TABLE ACCESS (FULL) OF ??CLASSES??
Which statement generated this execution plan?
A. SELECT COUNT (*)
FROM classes
ORDER BY stopkey;
B. SELECT COUNT (*)
FROM classes
ORDER BY start_date;
C. SELECT *
FROM (SELECT * FROM classes
ORDER BY start_date DESC)
WHERE ROWNUM D. SELECT *
FROM (SELECT * FROM classes
WHERE ROWNUM ORDER BY start_date DESC;
Answer: A

9. Which two options are valid for LOBs during their creation? (Choose two)
A. REDO
B. NOREDO
C. LOGGING
D. NOLOGGING
E. RECOVERABLE
F. UNRECEOVERABLE
Answer: CD

10. Which parameter would you use to set up archiving to a remote machine?
A. LOG_ARCHIVE_DEST
B. LOG_ARCHIVE_DEST_2
C. LOG_ARCHIVE_REMOTE_DEST
D. ARCHIVE_REMOTE_DEST
Answer: A

11. Which two factors can influence the time taken for instance recovery? (Choose two)
A. Size of the redo log buffer.
B. Value of FAST_START_TO_TARGET
C. Size of the system tablespace.
D. Value of RECOVERY_PARALLELISM
E. The number of archived redo logs that have to be read.
F. The number of tables stored in the database buffer cache at the moment of failure.
Answer: BD

12. Which tablespace stores the segment of a temporary table?
A. The default tablespace for user SYS.
B. The temporary tablespace for user SYS.
C. The default tablespace for the current user.
D. The temporary tablespace for the current user.
Answer: D

13. You set the PARALLEL_AUTOMATIC_TUNING initialization parameter to FALSE. What happens? (Choose two)
A. Parallel execution buffers are allocated from the large pool.
B. Parallel execution buffers are allocated from the shared pool.
C. Only tables with a degree of parallelism specified will be scanned in parallel.
D. A load balancing algorithm will be used to distribute evenly load across nodes in a multi instance PQ environment.
Answer: BC

14. What happens during a complete refresh of a materialized view?
A. The materialized view is dropped and recreated.
B. Changes in the materialized view are applied to the underlying table.
C. Changes captured in the materialized view log are applied to the materialized view.
D. The materialized view is truncated or deleted and repopulated by re-executing the materialized view query.
Answer: D