Quiz Oracle - 1Z0-083 - Oracle Database Administration II–Professional Composite Test Price

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Managing Multitenant Architecture	35%	- Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - CDB and PDB Creation and Configuration 1. Use Oracle Resource Manager for multitenant resource management 2. Create and configure CDBs and PDBs 3. Manage application containers and PDBs - PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Start, stop, open, and close PDBs 3. Manage PDB snapshots and refreshable clones
Topic 2: Performance Management and Tuning	20%	- Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management - Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks - SQL Tuning 1. Optimize SQL execution plans 2. Use SQL Tuning Advisor and SQL Access Advisor
Topic 3: Backup and Recovery	30%	- Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery - RMAN Configuration and Operations 1. Restore and recover databases, CDBs, and PDBs 2. Perform full, incremental, and archival backups 3. Configure RMAN settings and channels - Flashback Technologies 1. Use Flashback in multitenant architecture 2. Implement Flashback Database, Table, and Transaction 3. Recover from logical corruptions
Topic 4: High Availability and Security	15%	- Patching and Upgrades 1. Apply patches and perform database upgrades 2. Use AutoUpgrade utility - Data Guard Configuration 1. Set up physical and standby databases 2. Perform switchover and failover operations - Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection

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Oracle Database Administration II Sample Questions (Q154-Q159):

NEW QUESTION # 154
Which two are true about Oracle instance recovery? (Choose three.)

A. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).
B. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE.
C. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
D. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.
E. Recovery begins from the beginning of the CURRENT redo log group.
F. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.

Answer: A,D,F

NEW QUESTION # 155
Which three are true about monitoring waits for sessions and services? (Choose three.)

A. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
B. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
C. V$SESSION_WAIT _CLASS displays waits broken down by wait class only for waiting sessions.
D. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
E. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
F. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.

Answer: C,D,E

NEW QUESTION # 156
Choose the best answer. Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?

A. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
B. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
C. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.
D. It is a set of recommendations by the optimizer to create new indexes.
E. It is a set of recommendations by the optimizer to change the access methods used.

Answer: B

NEW QUESTION # 157
Which two are true about backup set compression using RMAN default compression? (Choose two.)

A. Unused blocks below the high water mark are backed up.
B. Compression can be done only for locally managed tablespaces.
C. Binary compression adds CPU overhead to backup operations.
D. Compressed backups can be written only to media.
E. Compressed backups cannot have a section size defined.

Answer: A,C

NEW QUESTION # 158
You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

A. Use Active Session History (ASH) data and hang analysis in regular performance monitoring,
B. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
C. Enable Memory Access Mode, which reads performance data from SGA.
D. Run ADDM in diagnostic mode.
E. Use emergency monitoring to fetch data directly from SGA for analysis.

Answer: E

NEW QUESTION # 159
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