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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q259-Q264):

NEW QUESTION # 259
A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity.
Which view displays all waits waited on by a session at least once?

A. V$SESSION
B. V$SESSTAT
C. V$SESSION_EVENT
D. V$SESSION_WAIT_CLASS
E. V$SESSION_WAIT

Answer: D

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E29597_01/server.1111/e16638/instance_tune.htm

NEW QUESTION # 260
When backing up to the Oracle Fast Recovery Area (FRA), you determine that the backup takes too long and suspect a performance bottleneck.
Which two are true about diagnosing and tuning these problems?

A. Data files with a high value in v$backup_async_io.short_waits are a potential performance bottleneck when asynchronous I/O is used.
B. If an rman backup validate command takes noticeably less time than an actual backup, then write I/O is a likely bottleneck.
C. Data files with a high value in v$backup_sync_io.discrete_bytes_per_second are a potential performance bottleneck when synchronous I/O is used.
D. If an rman backup validate command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.
E. If an rman backup validate command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.

Answer: A,E

NEW QUESTION # 261
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)

A. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
B. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
C. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.
D. SBT tape compression and RMAN backup compression should be used in parallel.
E. SBT tape compression can be used even if no RMAN compression is configured.

Answer: C,D

NEW QUESTION # 262
Choose two. Your database is in ARCHIVELOG mode and you plan to use Flashback Database. Which two features or parameters manage space availability in the fast recovery area?

A. the DB_RECOVERY_FILE_DEST parameter setting
B. the backup retention policy
C. the archived log deletion policy
D. using guaranteed UNDO retention
E. the DB_CREATE_ONLINE_LOG_DEST_n parameter setting
F. the backup optimization policy

Answer: B,C

NEW QUESTION # 263
Your SALES_ROOT application container has two application PDBs.
The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:

Which two are true? (Choose two.)

A. The MAPTABLE table is a metadata-linked table.
B. The REVENUE table partitions are not pruned across the PDBs automatically.
C. A container map exists for the REVENUE table, but is not enabled.
D. The REVENUE table must be a list-partitioned table.
E. The CONTAINERS clause cannot be used in queries on the REVENUE table.
F. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.

Answer: C,F

NEW QUESTION # 264
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