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Oracle 1Z0-083 Exam Syllabus Topics:

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

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最新的 Oracle Database 19c 1Z0-083 免費考試真題 (Q255-Q260):

問題 #255
Which statement describes the significance of the CHANGE FAILURE command in RMAN? (Choose all that apply.)

A. It is used to inform the database about the repair after the repair script executes.
B. It is used to explicitly close the open failures.
C. It is used to change failure priority only for the CRITICAL priority.
D. It is used to execute the advised repair script.
E. It is used to change failure priority only for HIGH or LOW priorities.

答案：B,E

問題 #256
HR_ROOT is an application container with the HR_APP application installed. No application PDBs and no application seed have yet been created in HR_ROOT. An application PDB, PDB1, must be created so that the HR_APP application's common objects are accessible to it. Which two methods can be used?

A. Create the PDB1 application PDB and synchronize it with PDB$SEED.
B. Create an application seed, and install HR_APP in it.
C. Create the PDB1 application PDB and synchronize it with HR_ROOT.
D. Create an application seed, synchronize it with HR_ROOT, and then create the PDB1 application PDB.
E. Create the PDB1 application PDB and install HR_APP in it.

答案：C,D

問題 #257
choose one You enable Flashback Data Archive for a table for which you want to track and save all transactions for four years. After some time, the requirement changes for keeping transactions from four to two years. You execute the following command to change the requirement: SQL> ALTER FLASHBACK ARCHIVE fdal MODIFY RETENTION 2 YEAR; What is the outcome?

A. An error is returned because the retention period cannot be reduced.
B. All historical data older than two years, if any, is archived to flashback logs and the flashback archive is set to new retention time.
C. All historical data older than two years, if any, is purged from the flashback archive FDA1.
D. All the flashback data archives are purged and the subsequently created flashback archives are maintained for two years

答案：C

問題 #258
Which two are true about creating pluggable databases (PDBs) in Oracle 19c and later releases?

A. A PDB snapshot depends on an existing storage snapshot of the source PDB.
B. A PDB snapshot can be a sparse copy of a source PDB
C. A snapshot copy PDB can be a full copy of a source PDB
D. A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.
E. APDB snapshot can be a full copy of a source PDB.

答案：B,E

問題 #259
Which two are true about an RPM-based Oracle Database installation? (Choose two.)

A. It requires an Unbreakable Linux Network (ULN) subscription.
B. It includes the Oracle Preinstallation RPM.
C. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
D. It uses a service configuration script to create a single-instance database as part of the installation.
E. It performs a software-only Oracle Database installation.

答案：D,E

解題說明：
https://docs.oracle.com/en/database/oracle/oracle-database/18/ladbi/running-rpm-packages-to- install-oracle-database.html#GUID-BB7C11E3-D385-4A2F-9EAF-75F4F0AACF02

問題 #260
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