Oracle 1Z1-066題庫介紹

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問題 #1

You must propose an Oracle Data Guard configuration for a database supporting an OLTP workload that meets these permanent requirements:
1. Data loss is not permitted.
2. Read-only applications should not connect to the primary database instance.
Additionally, there are these requirements, only one of which is ever done at any one time:
3. It should be possible to apply and test designated patches with a minimum amount of downtime.
4. Upgrading to a new database release should be performed with the least possible amount of downtime.
5. New application software releases should be tested against an exact up-to-date replica of the production database.
You propose a primary database with one physical standby database configured in Maximum Protection mode.
Which requirements do you meet?

A. 1 and 2
B. only requirement 5
C. 2, 3, 4, and 5
D. only requirement 1
E. 1, 2, 3, 4, and 5

問題 #2

Attempting to start the observer raises an error:
DGMGRL> start observer;
DGM-16954: Unable to open and lock the Observer configuration file Failed.
Identify two possible reasons for this error. (Choose two.)

A. There is already an observer running for this Data Guard configuration.
B. The observer configuration file is marked read-only.
C. There is another observer running for a Data Guard configuration which uses the same observer configuration file.
D. Fast-Start Failover is not yet enabled for this Data Guard configuration.
E. The broker configuration has not yet been created.

問題 #3

Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured? (Choose three.)

A. They are required on a logical standby for real-time apply.
B. It is recommended to have them on the primary database.
C. Only standby databases can write redo to them.
D. They are required only for synchronous redo transport.
E. They are required on a physical standby for real-time apply.
F. The LGWR process writes to them on a standby database.

問題 #4

Which three are true about using RMAN in a Data Guard environment? (Choose three.)

A. A recovery catalog is required when RMAN is used to take backups from a logical standby database in a Data Guard configuration if you plan to recover the primary using those backups.
B. Backups of data files taken on a physical standby are interchangeable with a primary.
C. A recovery catalog is required when RMAN is used to take backups from a physical standby database if you plan to recover the primary using those backups.
D. Backups of archived redo logs taken on a physical standby are interchangeable with a primary.
E. Backups of control files taken on a physical standby are not interchangeable with a primary.

問題 #5

Which four statements are true regarding SQL Apply filters for a logical standby database? (Choose four.)

A. They can be used to skip ALTER SYSTEM and ALTER DATABASE commands.
B. They can only be used to skip DML statements on a table.
C. They can be used to skip CREATE TABLE commands.
D. They can be used to stop SQL apply if it encounters an error.
E. They can be used to skip execution of DML triggers on a table while allowing the DML to execute.
F. They can be used to skip ALTER TABLE commands on a specific tables.
G. They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).

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