1z0-083 Oracle Database Administration II exact Exam Questions

Oracle Database Administration II

Engineering Data Sovereignty: Why Deep Database Architecture Triumphs Over Obsolete Dumps

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Question # 71

Choose three. Which three are true about recovering tables using RMAN?

RMAN can recover tables owned by the SYSTEM user.

RMAN can recover tables owned by the SYS user.

RMAN can recover tables in the SYSTEM tablespace.

RMAN always uses an auxiliary instance.

RMAN can recover a table after a DDL operation has altered the table structure.

RMAN can recover tables in the SYSAUX tablespace.

RMAN can recover tables in a standby database.

Question # 72

Choose the best answer. How do you configure a CDB for local undo mode?

Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.

Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.

Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.

Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON. create an UNDO tablespace in each PDB, and then restart the CDB instance.

Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.

Question # 73

Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

CDB$ROOT and PDB$SEED are automatically duplicated.

Question # 74

Which two are true about data movement between a non-CDB and a PDB using Data Pump? (Choose two.)

Tablespaces are automatically created as need while importing full exports in either a non-CDB or a PDB.

Oracle attempts to convert conventional database users to local users when moving schemas from a non-CDB to a PDB.

A new PDB is automatically created when importing a non-CDB into a CDB.

Oracle attempts to convert common users to conventional users when moving schemas from a PDB to a non-CDB.

Moving data from a PDB to a non-CDB is only possible by using transportable tablespace export and import.

Moving data from a non-CDB to a PDB is only possible by using conventional export and import.

Question # 75

Which two are true about creating pluggable databases (PDBs) in Oracle 19c and later releases?

A PDB snapshot depends on an existing storage snapshot of the source PDB.

APDB snapshot can be a full copy of a source PDB.

A PDB snapshot can be a sparse copy of a source PDB

A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.

A snapshot copy PDB can be a full copy of a source PDB

Question # 76

Choose three. Which three are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases?

A snapshot copy PDB can be a full copy of a source PDB.

A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.

A PDB snapshot depends on an existing storage snapshot of the source PDB.

A PDB snapshot can be a full copy of a source PDB.

A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silent mode with no configuration required before starting the duplication.

A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.

A PDB snapshot can be a sparse copy of a source PDB.

Question # 77

Choose three. You must migrate a non-CDB Oracle 11g Database to a CDB without first performing an upgrade to the non-CDB. User-defined objects are stored in several tablespaces in the non-CDB. Which three methods can you use?

Data Pump full database export and import

cloning the non-CDB as a PDB

replication using GoldenGate

Data Pump transportable tablespaces

Data Pump full transportable database

the DBMS_PDB package

Question # 78

Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2. APP_ROOT is an application root in CDB1. 3. APP_PDB1 is an application PDB in APP_ROOT. 4. FLASHBACK DATABASE is ON. You execute these commands: $ sqlplus sys/orac1e_4U@localhost:1521/cdb1 SQL > SELECT current_scn FROM v$database; CURRENT_SCN -----------------------2074756 SQL > CREATE TABLE cdb1_tab(c1 NUMBER) ; Table created. SQL > ALTER SESSION SET CONTAINER=app_root; Session altered. SQL > CREATE TABLE app_root_tab (c1 NUMBER) ; Table created. SQL > ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL > CREATE TABLE app_pdb1_tab (c1 NUMBER) ; Table created. SQL > conn / as sysdba Connected. SQL > ALTER PLUGGABLE DATABASE app_root CLOSE; Pluggable database altered. SQL > FLASHBACK PLUGGABLE DATABASE app_root TO SCN 2074756; Flashback complete. Which table or set of tables will exist after the Flashback operation has completed?

CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB

CDB1_TAB and APP_PDB1_TAB

CDB1_TAB and APP_ROOT_TAB

CDB1_TAB only

none of the tables, because all three tables will be dropped

Question # 79

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.

The base catalog must be enabled for Virtual Private Catalog use.

The target PDB must be registered in a Virtual Private Catalog.

The target PDB must be registered in a base catalog.

Question # 80

Choose two. Which two are true about memory advisors?

If Automatic Memory Management is enabled, no memory advisors are available.

If Automatic Memory Management is enabled, the Shared Pool Advisor and Buffer Cache Advisor are available to set the maximum size for these individual System Global Area components.

All memory advisors use data from Automatic Workload Repository.

If Automatic Shared Memory Management is enabled, both the SGA Advisor and PGA Advisor are always available.

If Manual Shared Memory Management is enabled, only the Shared Pool Advisor and Buffer Cache Advisor are available.

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