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Free Oracle 1z0-083 Practice Exam with Questions & Answers | Set: 6

Questions 51

Examine this configuration:

1. CDB1 is a container database.

2. PDB1 and PDB2 are pluggable databases in CDB1.

3. PDB1 and PDB2 are OPEN in READ WRITE mode.

You execute these commands successfully: Which two are true? (Choose two.)

Options:
A.

Uncommitted transactions in PDB1 have been rolled back.

B.

PDB1 is closed.

C.

Uncommitted transactions in CDB1 and PDB1 have been rolled back.

D.

CDB1 is shut down.

E.

CDB1 is in MOUNT state

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Questions 52

choose three You want to duplicate one of your databases when connected to the target database and to the recovery catalog. Which three are true about this type of database duplication ) The duplication process can create backup sets or image copies

Options:
A.

The target database must be open

B.

The duplication process can use existing backup sets or image copies

C.

The duplication process can use existing backup sets or image copies.

D.

The target database must be in mount state.

E.

The duplication -process pushes backup sets to the auxiliary instance.

F.

The duplication process pushes image copies to the auxiliary instance.

Questions 53

Choose the best answer. On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days. Level 0 backups are taken on the 10th, 17th, and 24th of August. Differential level 1 incremental backups are taken daily between the level 0 backups. Today is the 26th of August. Which backups will be obsolete?

Options:
A.

all backups prior to 10th of August

B.

all backups prior to 22nd of August

C.

all backups prior to 20th of August

D.

all backups prior to 24th of August

E.

all backups prior to 17th of August

Questions 54

Which three are true? (Choose three.)

Options:
A.

Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.

B.

Application-common TSDP policies are always container specific.

C.

Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.

D.

Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.

E.

Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.

F.

Application-common OLS policies can be created in an application root inside an install/patch BEGIN¬END block.

G.

Unified auditing can be automatically synchronized to all application PDBs in an application container.

Questions 55

Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

Options:
A.

By default, AWR snapshots are taken every 60 minutes.

B.

Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.

C.

By default, AWR snapshots are retained for 7 days.

D.

The taking of AWR snapshots can be disabled.

E.

AWR data is stored in the SYSTEM tablespace.

Questions 56

Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

Options:
A.

By default, the transported database will use Oracle Managed Files (OMF)

B.

Data files can be converted on the destination system.

C.

Data files can be converted on the source system.

D.

A new DBID is automatically created for the transported database.

E.

Databases can be transported between systems with different endian formats.

F.

The password file is automatically converted by RMAN.

Questions 57

Choose three. Which three actions will add a resource to an Oracle Restart configuration?

Options:
A.

creating a disk group using the CREATE DISKGROUP SQL statement

B.

creating a database service using DBMS_SERVICE.CREATE_SERVICE

C.

creating a database service using Oracle Database Configuration Assistant (DBCA)

D.

creating a database using the CREATE DATABASE SQL statement

E.

creating an Oracle Database service by modifying the SERVICE_NAMES parameter

F.

creating an Oracle Automatic Storage Management (ASM) instance with ASM Configuration Assistant (ASMCA)

Questions 58

A redaction policy was added to the SAL column of the SCOTT.EMP table: BEGIN DBMS_REDACT.ADD_POLICY( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP', => 'SAL', => 'SCOTT_EMP', => DBMS_REDACT.FULL, => 'SYS_CONTEXT(''SYS_SESSION_ROLES'',''MGR'') END; All users have their default set of system privileges. For which three situations will data not be redacted?

Options:
A.

SYSsessions,regardlessoftherolesthataresetinthesession

B.

SYSTEMsessions,regardlessoftherolesthataresetinthesession

C.

SCOTT sessions, only if the MGR role is set in the session

D.

SCOTT sessions, only if the MGR role is granted to SCOTT

E.

SCOTTsessions,becauseheistheownerofthetable

F.

SYSTEM session, only if the MGR role is set in the session

Questions 59

You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

Options:
A.

Enable Memory Access Mode, which reads performance data from SGA.

B.

Use emergency monitoring to fetch data directly from SGA for analysis.

C.

Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.

D.

Use Active Session History (ASH) data and hang analysis in regular performance monitoring,

E.

Run ADDM in diagnostic mode.

Questions 60

choose one You want to create a test database as a replica of your production database with minimum intervention from a DBA. Which method would you use?

Options:
A.

Use DBCA to create a template from the existing database to contain the database structure with data files and then use the same template to create the database in the new location.

B.

Use Database Configuration Assistant (DBCA) to create a template from the existing database to contain the database structure.

C.

Use DBCA to create a template from the existing database to contain the database structure and then manually copy the data by using Oracle Data Pump.

D.

Create the database by using the CREATE DATABASE . . . command and manually import data by using Data Pump.