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Free Oracle 1Z0-083 Exam Actual Questions

The questions for 1Z0-083 were last updated On Mar 25, 2025

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Question No. 1

You must transport the UNIVERSITY tablespace from one database to another.

The UNIVERSITY tablespace is currently open read/write.

The source and destination platforms have different endian formats. Examine this list of actions:

1. Make the UNIVERSITY tablespace read-only on the source system.

2. Export the UNIVERSITY tablespace metadata using EXPDP.

3. Convert the UNIVERSITY tablespace data fies to the destination platform format using RMAN on the source

system.

4. Copy the UNIVERSITY tablespace data files to the destination system.

5. Copy the Data Pump dump set to the destination system.

6. Convert the UNIVERSITY tablespace data files to the destination platform format using RMAN on the destination system.

7. Import the UNIVERSITY tablespace metadata using IMPDP.

8. Make the UNIVERSITY tablespace read/write on the destination system.

Which is the minimum number of actions required, in the correct order, to transport the UNIVERSITY tablespace?

A1, 2, 4, 5, 7, 8

B1, 2, 4, 6, 7, 8

C1, 2, 3, 4, 5, 7, 8

D1, 2, 3, 4, 5, 6, 7, 8

E2, 4, 5, 6, 7

Show Answer

Correct Answer: C

Question No. 2

Examine this configuration:

1. CDB1 is a container database running in archivelog mode.

2. Multiple uncommitted transactions are running in CDB1.

3. Redo log groups 1 and 2 are inactive.

4. Redo log group 3 is the current group.

All members of redo log group 3 are lost before it is archived. Examine these possible steps:

1. SHUTDOWN ABORT

2. STARTUP NOMOUNT

3. STARTUP MOUNT

4. ALTER DATABASE MOUNT

5. RESTORE DATABASE

6. RECOVER DATABASE NOREDO

7. RECOVER DATABASE UNTIL AVAILABLE

8. RESTORE ARCHIVELOG ALL

9. ALTER DATABASE OPEN

10. ALTER DATABASE OPEN RESETLOGS

Choose the minimum required steps in the correct order to recover the database.

A1, 3, 5, 6, 10

B1, 3, 5, 8, 6, 10

C1, 3, 5, 6, 9

D1, 3, 5, 6, 10

E1, 2, 5, 7, 4, 10

F1, 3, 5, 7, 10

Show Answer

Correct Answer: D

Question No. 3

Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

ASQL statements

Blog writer performance

Cgeneral operating system health

Ddatabase writer performance

Edatabase instance memory management and sizes

Show Answer

Correct Answer: A

Question No. 4

Which two are true about server-generated alerts? (Choose two.)

AStateful alerts must be created by a DBA after resolving the problem.

BStateless alerts can be purged manually from the alert history.

CStateless alerts can be cleared manually.

DStateless alerts are automatically cleared.

EStateful alerts are purged automatically from the alert history.
Except for the tablespace space usage metric, which is database related, the other metrics are instance related. Threshold alerts are also referred to as stateful alerts which are automatically cleared when an alert condition clears. Stateful alert appears in DBA_OUTSTANDING_ALERTS and when cleared go to DBA_ALERT_HISTORY. Other server-generated alerts correspond to specific database events such as ORA-* errors, 'Snapshot too old' errors, Recovery Area Low on Free Space, Resumable Session Suspended. These are non threshold based alerts, also referred to as stateless alerts. Stateless alerts go directly to the History table. +++ Most alerts (such as 'Out of Space') are cleared automatically when the cause of the problem disappears. However, other alerts (such as generic alert log errors) are sent to you for notification and must be acknowledged by you. After taking the corrective measures, you acknowledge an alert by clearing or purging it. Clearing an alert sends the alert to the Alert History which is accessible from Monitoring sub menu. Purging an alert removes it from the Alert History.

Show Answer

Correct Answer: B, C

Question No. 5

Which three are true about requirements for various FLASHBACK operations? (Choose three.)

AFLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.

BFLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

CFLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.

DFLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.

EFLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.

FFLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Show Answer

Correct Answer: A, B, F

https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction

+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in

+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd- U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v= onepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all% 20versions%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false

https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm