Number: 1z0-083
Passing Score: 800
Time Limit: 120 min
File Version: 1
1z0-083
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885CB989129A5F974833949052CFB2F2
Exam A
QUESTION 1
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
B. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
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C. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
D. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
E. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
F. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Section: (none)
Explanation
Explanation/Reference:
Reference:
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-NPdU8uu3zbaoi3YZzT0FTQ&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
QUESTION 2
Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx-preinstall, for Oracle Grid Infrastructure, where
xxxx is the Oracle version and release? (Choose three.)
A. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
B. creating the oracle OS user
C. creating the OSDBA (dba) group
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885CB989129A5F974833949052CFB2F2
D. creating thte oraInventory (oinstall) group
E. creating the grid OS user
F. configuring the OS for Oracle Automatic Storage Management shared storage access
Correct Answer: CDF
Section: (none)
Explanation
Explanation/Reference:
Reference: https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN2932
QUESTION 3
Which two are true about common objects? (Choose two.)
A. They can be created only in CDB$ROOT.
B. They can be only metadata-linked in an application container.
C. They can exist in user-defined schemas only in application containers.
D. They can exist in CDB$ROOT and an application root.
E. They can be extended data-linked in CDB$ROOT.
F. They can be created only in an application root.
Section: (none)
Explanation
Explanation/Reference:
Reference: https://blog.toadworld.com/2017/08/01/oracle-multi-tenant-application-containers-part-iii-sharing-of-data-in-application-common-objects
QUESTION 4
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
A. It analyzes a period of time corresponding to the 12 hours of activity.
B. It runs automatically after each AWR snapshot.
C. A DBA can run it manually.
D. Results are written to the alert log.
E. It analyzes a period of time corresponding to the last day of activity.

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885CB989129A5F974833949052CFB2F2
Section: (none)
Explanation
Explanation/Reference:
QUESTION 5
Which three are located by using environment variables? (Choose three.)
A. the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
B. the location of Oracle Net Services configuration files
C. the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
D. default directories for temporary files used by temporary tablespaces
E. the temporary disk space used by Oracle Installer during installation
F. the maximum number of database files that can be opened by a database instanc