1Z0-083認證考試 & 1Z0-083考題寶典

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Oracle 1Z0-083 Exam Syllabus Topics:

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

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1Z0-083考題寶典 - 1Z0-083題庫分享

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最新的 Oracle Database 19c 1Z0-083 免費考試真題 (Q85-Q90):

問題 #85
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)

A. Results are written to the alert log.
B. It analyzes a period of time corresponding to the last day of activity.
C. It runs automatically after each AWR snapshot.
D. A DBA can run it manually.
E. It analyzes a period of time corresponding to the 12 hours of activity.

答案：C,D

問題 #86
Examine this configuration:
* CDB1 is a container database.
* COMMON_USER_PREFIX is C##.
* PDB1 is a pluggable database contained in CDB1.
* APP1_ROOT is an application container contained in CDB1.
* APP1_PDB1 is an application PDB contained in APP1_ROOT.
You execute these commands successfully:

Which two are true? (Choose two.)

A. APP1_USER1 can be created in PDB1.
B. P1_USER1 can be created in CDB1.
C. APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT.
D. C##_APP_USER1 can be created in CDB1.
E. C##_USER1 will have the same privileges and roles granted in all PDBs in CDB1.
F. APP1_USER1 can be created in CDB1.

答案：C,E

問題 #87
Which two are true about the execution of operating system scripts starting from Oracle Database 19c?
(Choose two.)

A. The sudopassword can be specified in a response file.
B. The rootpassword cannot be specified in a response file.
C. orainstRoot.shcan be executed automatically by the Database installer by using sudoor root credentials.
D. root.shcan be executed automatically by the Database Installer only if it is provided with root credentials.
E. root.shcan be executed automatically by the Database installer only by using sudocredentials.
F. The sudopassword must be specified in a response file.

答案：B,C

解題說明：
Explanation

問題 #88
Which four are true about RMAN backup sets? (Choose four.)

A. A backup piece can belong to only one backup set.
B. A data file can be split into multiple sections stored in different backup sets.
C. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
D. A backup set must be written to media.
E. A backup set must be written to disk.
F. Blocks from multiple data files can be contained in one backup piece,
G. A backup set can contain only one backup piece.
H. Blocks from multiple data files can be contained in one backup set,

答案：B,D,G,H

問題 #89
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference. Which method or feature should you use?

A. Compare Period ADDM report
B. AWR Compare Period report
C. Taking a new snapshot and comparing it with a preserved snapshot.
D. Active Session History (ASH) report

答案：B

問題 #90
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