Free Access Oracle.1Z0-083.v2022-07-24.q137 Practice Test (Page 5)

Question 16

1.Which two are prerequisites for creating a backup-based duplicate database?

A.creating a password file for an auxiliary instance

B.creating an SPFILE for the target database

C.connecting to the target database and a recovery catalog to execute the duplicate command

D.connecting to an auxiliary instance

E.matching the database identifier (DBID) of the source database and the duplicate database

Question 17

You are managing this configuration:
CDB1 is a container database.
PDB1 and PDB2 are two pluggable databases in CDB1.
USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2.
CDB1 user SYS executes these commands after connecting successfully to PDB2:

Which two are true? (Choose two.)

A.The insert on USER2.DEPT is uncommitted.

B.The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.

C.The inserts on USER1.EMP were rolled back when the session connected to PDB2.

D.The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.

E.The insert on USER2.DEPT fails because of the active transaction in the parent container.

F.The inserts on USER1.EMP were committed when the session connected to PDB2.

G.The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.

Question 18

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

A.Stateless alerts can be purged manually from the alert history.

B.Stateless alerts are automatically cleared.

C.Stateful alerts are purged automatically from the alert history

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

E.Stateless alerts can be cleared manually.

Question 19

Choose three. Which are the three steps in the SQL tuning process for Oracle Database environments?

A.Tune SQL statements as a group using the SQL Tuning and SQL Access Advisors.

B.Identify poorly tuned SQL statements using the SQL Tuning Advisor.

C.Test tuned SQL statements one at a time for all statements in the application.

D.Identify poorly tuned SQL statements using Automatic Database Diagnostic Monitor.

E.Test the application as a whole using tuned SQL statements.

F.Tune individual SQL statements using the SQL Tuning Advisor.

Question 20

Which three are performed by Oracle Automatic Storage Management (ASM) instances? (Choose three.)

A.acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)

B.acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes

C.managing Allocation Units (AUs) for disk group content

D.managing extent allocation for Oracle database segments

E.managing space allocation for Oracle ASM files

F.mounting disk groups

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Question 16

Question 17

Question 18

Question 19

Question 20

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