1Z0-083日本語pdf問題 & 1Z0-083再テスト

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Backup and Recovery	30%	- Advanced Recovery Scenarios 1. Perform point-in-time recovery 2. Recover from critical data file or control file loss - RMAN Configuration and Operations 1. Configure RMAN settings and channels 2. Restore and recover databases, CDBs, and PDBs 3. Perform full, incremental, and archival backups - Flashback Technologies 1. Recover from logical corruptions 2. Implement Flashback Database, Table, and Transaction 3. Use Flashback in multitenant architecture
High Availability and Security	15%	- Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection - Data Guard Configuration 1. Set up physical and standby databases 2. Perform switchover and failover operations - Patching and Upgrades 1. Apply patches and perform database upgrades 2. Use AutoUpgrade utility
Managing Multitenant Architecture	35%	- Upgrading and Transporting 1. Upgrade CDB and PDB environments 2. Transport data between multitenant environments - PDB Lifecycle and Operations 1. Manage PDB snapshots and refreshable clones 2. Clone, unplug, plug, and relocate PDBs 3. Start, stop, open, and close PDBs - CDB and PDB Creation and Configuration 1. Manage application containers and PDBs 2. Create and configure CDBs and PDBs 3. Use Oracle Resource Manager for multitenant resource management
Performance Management and Tuning	20%	- SQL Tuning 1. Optimize SQL execution plans 2. Use SQL Tuning Advisor and SQL Access Advisor - Memory and Resource Management 1. Manage Automatic Memory Management 2. Configure SGA and PGA - Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks

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Oracle Database Administration II 認定 1Z0-083 試験問題 (Q240-Q245):

質問 # 240
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

A. Databases can be transported between systems with different endian formats.
B. Data files can be converted on the destination system.
C. By default, the transported database will use Oracle Managed Files (OMF)
D. Data files can be converted on the source system.
E. A new DBID is automatically created for the transported database.
F. The password file is automatically converted by RMAN.

正解：B、C、D

質問 # 241
You execute this command successfully:
SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
What is the outcome?

A. It creates a binary backup of the control file.
B. It creates a file that contains RMAN scripts to create a duplicate database.
C. It creates a copy of the control file in the fast recovery area (FRA).
D. It creates a file that contains SQL statements to re-create the control file.
E. It updates the alert log with the location and contents of the control file

正解：D

質問 # 242
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)

A. Control file backups can be created while connected to the root container.
B. Control file backups can be created while connected to a nonroot container.
C. The BACKUP TABLESPACEcommand can back up a PDBtablespace even if RMAN is connected to CDB$ROOT.
D. Archived Redo Log backups can be created while connected to an application root CDB.
E. Online Redo Log backups can be created while connected to the root container.

正解：A、C

解説：
A - FALSE. The ARCH process backs up online redo logs (by creating Arch redo logs), never the DBA. DBAs backup Archive Redo Logs, not online redo logs.
B - TRUE. Control files are DB wide - backing them up, from the Container Root, is exactly where you do this.
C - TRUE. Part of the point of Multitenant is that you have control of all PDBs from the CDB level.
D - FALSE. An application root container is still below the main Container, so you cannot administer control files from here.
E - FALSE. For the same reason as above, you can only create control file backups from the Root Container.

質問 # 243
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

A. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file and to standard output.
B. Media Management messages for SBT devices are always written to sbtio.log.
C. RMAN error stacks should be read from the top down as that is the order in which errors are generated.
D. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.
E. Media Management messages for SBT devices are written to an Oracle trace file.
F. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.

正解：D、E

質問 # 244
Choose two. Some archived log backups have been accidentally deleted from storage. Which two commands should be used to update the status of backups in the recovery catalog to display only the missing backups?

A. CROSSCHECK BACKUP OF ARCHIVELOG ALL
B. RESYNC CATALOG
C. LIST ARCHIVELOG ALL
D. LIST ARCHIVELOG
E. LIST EXPIRED
F. REPORT OBSOLETE

正解：A、E

質問 # 245
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