1Z0-083 Exam Fragen, 1Z0-083 Simulationsfragen

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Managing CDBs and PDBs	- Multitenant Administration 1. Open and close PDBs 2. Manage application containers 3. Resource management - PDB Lifecycle Operations 1. Relocate PDBs 2. Refreshable PDBs 3. Snapshot copy PDBs
Topic 2: Backup and Recovery	- RMAN Configuration 1. Configure RMAN settings 2. Backup databases and archived logs 3. Manage backup retention policies - Flashback Technologies 1. Flashback Table 2. Flashback Drop 3. Flashback Database - Restore and Recovery 1. Perform complete recovery 2. Recover CDBs and PDBs 3. Perform incomplete recovery
Topic 3: Performance Monitoring and Tuning	- SQL Tuning 1. SQL performance analysis 2. SQL Tuning Advisor 3. SQL execution plans - Memory and Resource Optimization 1. Memory management 2. Resource Manager 3. Wait event analysis - Performance Monitoring 1. Automatic Database Diagnostic Monitor 2. Automatic Workload Repository 3. Performance Hub
Topic 4: Security in Multitenant Databases	- Auditing and Security 1. Unified auditing 2. Security policies - User and Privilege Management 1. Roles and privileges 2. Common users and local users
Topic 5: Database Upgrades and Patching	- Upgrade Operations 1. Upgrade execution 2. Database upgrade planning 3. Post-upgrade validation - Patch Management 1. Rollback procedures 2. Apply Release Updates 3. Manage Oracle patches
Topic 6: Creating CDBs and Regular PDBs	- Create and manage PDBs 1. Create PDBs from seed databases 2. Clone pluggable databases 3. Plug and unplug PDBs - Configure and create a CDB 1. Create container databases 2. Manage CDB architecture 3. Configure initialization parameters
Topic 7: Database Duplication and Migration	- Database Duplication 1. Active database duplication 2. Duplicate databases using RMAN - Transport and Migration 1. Data Pump operations 2. Transportable tablespaces

>> 1Z0-083 Exam Fragen <<

1Z0-083 Prüfungsfragen, 1Z0-083 Fragen und Antworten, Oracle Database Administration II

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Oracle Database Administration II 1Z0-083 Prüfungsfragen mit Lösungen (Q128-Q133):

128. Frage
Which two are true about common objects? (Choose two.)

A. They can exist in CDB$ROOT and an application root.
B. They can be created only in CDB$ROOT.
C. They can be extended data-linked in CDB$ROOT.
D. They can be created only in an application root.
E. They can be only metadata-linked in an application container.
F. They can exist in user-defined schemas only in application containers.

Antwort: A,D

Begründung:
A common object is defined in either the CDB root or an application root, and can be referenced using metadata links or object links. A local object is every object that is not a common object.
Database-supplied common objects are defined in CDB$ROOT and cannot be changed. Oracle Database does not support creation of common objects in CDB$ROOT.
You can create most schema objects - such as tables, views, PL/SQL and Java program units, sequences, and so on-as common objects in an application root. If the object exists in an application root, then it is called an application common object.
A local user can own a common object. Also, a common user can own a local object, but only when the object is not data-linked or metadata-linked, and is also neither a metadata link nor a data link.

129. Frage
Which two are true about RMAN duplexed backup sets? (Choose two.)

A. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.
B. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.
C. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
D. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
E. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
F. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.

Antwort: A,B

Begründung:
https://docs.oracle.com/cd/E18283_01/backup.112/e10642/rcmbckad.htm#i1006180
"You cannot back up from tape to tape or from tape to disk: only from disk to disk or disk to tape."
https://docs.oracle.com/en/database/oracle/oracle-database/19/rcmrf/BACKUP.html#GUID-
73642FF2-43C5-48B2-9969-99001C52EB50

130. Frage
Examine this configuration:
1. The orcl database data files are in Automatic Storage Management (Oracle ASM) disk group +data.
2. orcl uses disk group +fra for the Fast Recovery Area.
3. listener is the listener for orcl.
4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5. All components are currently shut down.
You execute this command:
$ srvctl start database -d ORCL
What is the outcome?

A. Only the orcl database instance, the Oracle ASM instance, and the +data and +fra disk groups are started.
B. Only the orcl database instance is started.
C. Only the orcl database and the ASM instances are started.
D. Only the orcl database instance and the +data and +fra disk groups are started.
E. The ORCL database, the Oracle ASM instances, the +data and +fra disk groups, and the listener are started.

Antwort: E

131. Frage
After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE ------------0 SQL> exec DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES(-1); SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE -------------1 After changing the value, you notice that FULL redaction continues to redact numeric data with zero.What must you do to activate the new default value for numeric full redaction?

A. Re-enableredactionpoliciesthatuseFULLdataredaction.
B. Restart the database instance. Correct
C. Flushthesharedpool.
D. Re-createredactionpoliciesthatuseFULLdataredaction.
E. Re-connect the sessions that access objects with redaction policies defined on them.

Antwort: B

132. Frage
Examine this configuration:
1. CDB1is a container database.
2. COMMON_USER_PREFIXis C##.
3. PDB1is a pluggable database contained in CDB1.
4. APP1_ROOTis an application container contained in CDB1.
5. APP1_PDB1is an application PDB contained in APP1_ROOT.
You execute these commands successfully:

Which two are true? (Choose two.)

A. C##_APP_USER1can be created in CDB1.
B. C##_USER1will have the same privileges and roles granted in all PDBs in CDB1.
C. P1_USER1can be created in CDB1.
D. APP1_USER1can have different privileges in each Application PDB contained in APP1_ROOT.
E. APP1_USER1can be created in PDB1.
F. APP1_USER1can be created in CDB1.

Antwort: B,D

133. Frage
......

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