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Oracle Database 19c: Data Guard Administration 認定 1z1-076 試験問題：

問題 #1

There are currently 6 applief. and 6 pfepafef processes running and no idle applier processes on y logical standby database.
The max_SERVERS SQL apply parameter and number of archiver processes are both set to 12.
Identify two changes, each of which would allow you to increase the number of applier processes.

A. Increase the RECOVERY_PARALLEL initialization parameter.
B. Increase the processes initialization parameter. D Decrease the number of FREPARER processes.
C. Increase the parallel_max_server initialization parameter.
D. Increase the value for the MAX_SERVERS SQL apply parameter.
E. Decrease the number of archiver processes on the standby database.

問題 #2

Which three statements are true....... With no Oracle Streams or Goldengate configured?

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

問題 #3

Which four requirements can be met by deploying a logical standby database?

A. It must have the same physical structure as the primary database.
B. It can be used to create additional schemas.
C. Support for workloads requiring additional indexes.
D. Support for workloads requiring additional materialized views.
E. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
F. It can be used to create additional tables.
G. It can be used for Real Application Testing without affecting the disaster recovery capabilities.

問題 #4

Examine the Data Guard configuration after an accidental switchover to Sheep:
DGMGRL> show configuration;
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
sheep - Primary database
dogs - Logical standby database
cats - Physical standby database (disabled)
ORA-16795: the standby database needs to be re-created
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
Which three statements will be true after a switchover to Dogs?

A. Cats will be an enabled physical standby database.
B. Sheep will be a disabled logical standby database.
C. Sheep will be an enabled logical standby database.
D. Cats will be a disabled physical standby database that can be manually enabled.
E. Dogs will be the primary database.

問題 #5

You notice that the SQL apply lag on your logical standby database has increased but the redo transport lag has not.
Which four could be reasons for the increase in SQL apply lag?

A. Many SQL apply operations do full table scans
B. An increased number of bulk updates on the primary
C. An undersized shared pool
D. An undersized undo tablespace on the logical standby
E. The standby redo log files are undersized on the primary database
F. An increased number of bulk inserts on the primary

解説：