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Oracle 1Z0-083 Exam Syllabus Topics:

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

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1Z0-083考試資料 - 最新1Z0-083題庫

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最新的 Oracle Database 19c 1Z0-083 免費考試真題 (Q252-Q257):

問題 #252
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

A. An application root PDB is created for APP1.
B. APP1 can never be unplugged.
C. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
D. An application seed PDB is created for APP1.
E. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
F. A default service is created for the application root APP1.

答案：C,D,E

問題 #253
Which two statements are true about the Oracle Database server during and immediately after SHUTDOWN IMMEDIATE?

A. All existing connections to the database instance remain connected until all transactions either roll back or commit.
B. Uncommitted transactions are rolled back automatically.
C. New connection requests made to the database instance are refused.
D. All existing transactions are aborted immediately.
E. Uncommitted transactions are allowed to continue to the next COMMIT.

答案：B,C

問題 #254
Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

A. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
B. Data file 24 must be recovered while PDB2 is closed.
C. Data file 24 can be recovered while PDB2 is opened.
D. Data file 24 must be recovered while the CDB is opened.
E. Data file 24 cannot be recovered while the CDB is opened.

答案：C,D

解題說明：
Explanation
19c: PDB SYSTEM or UNDO Tablespace Recovery: The CDB and all other PDBs can be left opened. 1.
Connect to PDB 2. Shutdown abort the PDB, if its not automatically done. sqlplus sys@sales_pdb as sysdba sql> SHUTDOWN ABORT; OR ALTER PLUGGABLE DATABASE CLOSE ABORT; rman target sys@slaes_pdb rman> restore database; rman> recover database; rman> alter pluggable database sales_pdb open;

問題 #255
In which three situations can you use threshold server-generated alerts to help diagnose and fix problems? (Choose three.)

A. when free space in a dictionary managed tablespace falls below a specified percentage
B. when the total number of locked user account exceeds a specific value
C. when the total number of logons exceeds a specific value
D. when a resumable statement is suspended
E. when free space in a locally managed tablespace falls below a specified percentage
F. when the number of logons per second exceeds a specific value

答案：A,B,F

問題 #256
Choose two. Which two are true about Oracle Grid Infrastructure for a Standalone Server?

A. It requires Oracle Automatic Storage Management (ASM) components to be installed separately.
B. It can manage database resources on the server where it is installed or on a different server.
C. It must be installed before the Oracle database software is installed.
D. The CSS daemon runs from the Grid Infrastructure home.
E. It supports volume management, file system, and automatic restart capabilities.

答案：D,E

問題 #257
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