1Z0-083 Prüfungsressourcen: Oracle Database Administration II & 1Z0-083 Reale Fragen

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1Z0-083 Testking, 1Z0-083 Prüfungsunterlagen, 1Z0-083 Originale Fragen, 1Z0-083 Testantworten, 1Z0-083 Fragenpool

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Oracle 1Z0-083 Exam Syllabus Topics:

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

>> 1Z0-083 Testking <<

1Z0-083 Prüfungsunterlagen & 1Z0-083 Originale Fragen

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Oracle Database Administration II 1Z0-083 Prüfungsfragen mit Lösungen (Q159-Q164):

159. Frage
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

  • A. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGETis changed.
  • B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGETbefore there is space pressure.
  • C. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGETis set lower than the time they have already been retained.
  • D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGETonly after there is space pressure.
  • E. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.

Antwort: B,C

Begründung:
Starting with Oracle Database Release 19c, the management of space in the fast recovery area is simplified.
Oracle Database monitors flashback logs in the fast recovery area and automatically deletes flashback logs that are beyond the retention period.
When the retention target is reduced, flashback logs that are beyond the retention period are deleted immediately.
In scenarios where a sudden workload spike causes a large number of flashback logs to be created, the workload is monitored for a few days before deleting flashback logs that are beyond the retention period.
This avoids the overhead of recreating the flashback logs, if another peak workload occurs soon after.


160. Frage
You accidentally drop the CUSTOMERS table, and then recover it by using the FLASHBACK TABLE command.
Which two statements are true about the dependent objects of the CUSTOMERS table?

  • A. Materialized views that use the CUSTOMERS table are flashed back.
  • B. All the triggers associated with the table are flashed back but are disabled.
  • C. Only the primary key constraint created for the table is flashed back, whereas all other indexes must be retrieved separately.
  • D. LOB segments associated with the CUSTOMERS table are flashed back.
  • E. All the constraints defined on the table, except the referential integrity constraints, are flashed back.

Antwort: D,E


161. Frage
Choose three. Which three are true about post-upgrade activities when upgrading an Oracle database using Database Upgrade Assistant?

  • A. Time zone files must be upgraded manually using the DBMS_DST PL/SQL package.
  • B. The new extended data type capability must be enabled by running the utlrp.sql script
  • C. The Oracle Application Express configuration should be updated after upgrading Oracle Database.
  • D. Any Recovery Manager (RMAN) recovery catalog must be upgraded manually.
  • E. After a manual upgrade, TNSNAMES.ORA entries must be updated to reflect the new ORACLE_HOME.

Antwort: B,C,D


162. Frage
hoose two. Which two are true about Recovery Manager (RMAN) diagnostic message output?

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

Antwort: B,C


163. Frage
Choose two. Which two are true about backup encryption?

  • A. Image copies can be encrypted.
  • B. Keystore-based encryption is the default mode for RMAN backup encryption.
  • C. Vendor-specific media management software can be used for making encrypted RMAN backups to media.
  • D. The Transparent Data Encryption (TDE) keystore is backed up using RMAN.
  • E. The BACKUP BACKUPSET command can encrypt and decrypt backup sets.
  • F. Backup encryption can be enabled selectively for specific tablespaces.

Antwort: B,E


164. Frage
......

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