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Oracle 1Z0-083 Exam Syllabus Topics:

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

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1Z0-083試験解説問題、1Z0-083模擬試験

誰もが異なる学習習慣を持っているため、1Z0-083試験シミュレーションでは、PDFバージョン、ソフトウェアバージョン、およびAPPバージョンのさまざまなシステムバージョンが提供されます。特定の状況に基づいて、最適なバージョンを選択するか、複数のバージョンを同時に使用できます。結局のところ、1Z0-083準備質問の各バージョンには独自の利点があります。非常に忙しい場合は、1Z0-083学習資料を使用するために非常に断片化された時間の一部しか使用できません。また、1Z0-083試験の各質問は、確実に試験に合格するのに役立ちます。

Oracle Database Administration II 認定 1Z0-083 試験問題 (Q214-Q219):

質問 # 214
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)

A. to include specific user tablespaces only when relocating a PDB
B. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
C. to exclude a temp tablespace when plugging in a PDB
D. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMPwhen plugging in a PDB
E. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
F. to specify the list oftablespaces to include when creating a PDB from the CDB seed

正解：C、F

質問 # 215
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A. A subset of the target database can be duplicated.
B. A backup of the target database is always required.
C. A connection to an auxiliary instance is always required.
D. A new DBID is always created for the duplicated database.
E. A connection to the recovery catalog instance is always required.
F. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
G. A connection to the target database instance is always required.
H. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

正解：A、C、F、H

解説：
Explanation
A duplicate database is a copy of your target database. With the FOR STANDBY clause, it keeps the same unique database identifier(DBID); If FOR STANDBY not specified it creates a new DBID. The duplicate database can include the same content or only a subset from the source database. It can be in the same host or a separate host. The principal work of the duplication is performed by the auxiliary channels.These channels correspond to a server session on the auxiliary instance on the destination host for backup based duplication.
For active database duplication the target channels perform the work of pushing data file copies to the auxiliary instance (if number of allocated target channels is greater than the number of allocated auxiliary channels).

質問 # 216
Oracle Data Redaction is active on the SCOTT.EMPtable.
You queried the table twice.
SQL> SELECT ENAME, SAL, COMM, MGR, HIREDATE FROM EMP WHERE DEPTNO=30;

SQL> SELECT ENAME, SAL, COMM, MGR, HIREDATE FROM EMP WHERE DEPTNO=30;

Which is guaranteed to be true concerning the redaction policy?

A. RANDOM redaction is active on the MGR column
B. RANDOM redaction is active on the HIREDATE column
C. PARTIAL redaction is active of the HIREDATE column.
D. FULL redaction is active on the SAL column
E. PARTIAL redaction is active on the MGR column.

正解：B

質問 # 217
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-createredactionpoliciesthatuseFULLdataredaction.
B. Re-connect the sessions that access objects with redaction policies defined on them.
C. Re-enableredactionpoliciesthatuseFULLdataredaction.
D. Restart the database instance. Correct
E. Flushthesharedpool.

正解：D

質問 # 218
Which two are true about poorly performing SQL statements and their tuning in Oracle database instances?

A. SQL statements doing only logical reads never require tuning because they do no physical I/O.
B. SQL statements performing many physical I/Os can always have their performance improved by creating indexes.
C. The solution that best optimizes one SQL statement can degrade the performance of others.
D. SQL statements doing joins always do more physical I/O than single table queries.
E. Poorly performing SQL statements can be tuned automatically by the Oracle server.

正解：C、E

質問 # 219
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