Wednesday, 21 June 2017

Oracle 1z0-066 Question Answer

Examine this query and its output:

SQL> select fs_failover_status, fs_failover_current_target,
2 fs_failover_observer_present, fs_failover_oserver_host
3 from v$database:
FS_FAILOVER_STATUS FS_FAILOVER_CURRENT_TARGET
FS_FAILOVER_OBSERVER_PRESENT FS_FAILOVER_OBSERVER_HOST
--------------- ----------------------- ---------------- ------------------
BYSTANDER cats NO
O17.example.com
Which are true?


A. The observer is not connected to the database on which the query was executed.
B. Cats is a bystander database.
C. The observer is connected to the database on which the query was executed.
D. The observer is currently running on o17.example.com.
E. The observer is not running, but should run on o17.example.com.

Answer: A


Which three are true about using RMAN in a Data Guard environment?


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 archived redo logs 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 control files taken on a physical standby are not interchangeable with a primary.
E. Backups of data files taken on a physical standby are interchangeable with a primary.

Answer: BCE

Thursday, 4 May 2017

Oracle 1z0-066 Question Answer

Which three statements are true about snapshot standby databases?

A. Snapshot standby databases may be used for rolling release upgrades.
B. If datafiles grow while a database is a snapshot standby database, then they shrink when converted back to a physical standby database.
C. Flashback logs are used to convert a snapshot standby database back into a physical standby database.
D. A snapshot standby database can have Real-Time Query enabled.
E. A guaranteed restore point is created automatically when a physical standby database is converted into a snapshot standby database.

Answer: CE


Which three statements are true about Global Sequences when connected to a physical standby database with Real-Time Query enabled?


A. If the CACHE option is set then the size of the cache must be at least 100.
B. Their creation requires that a LOG_ARCHIVE_DEST_n parameter be defined in the standby that points back to their primary.
C. Their usage will always have a performance impact on the primary database.
D. Their usage may have a performance impact on the physical standby database if the CACHE size is too small
E. They must have the NOORDER and CACHE options set.

Answer: BDE

Thursday, 23 February 2017

Oracle 1z0-066 Question Answer

There are currently 6 APPLIER and 6 PREPARER processes running and no idle APPLIER processes on your 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 PROCESSES initialization parameter
B. Increase the value for the MAX_SERVERS SQL apply parameter.
C. Decrease the number of archiver processes on the standby database.
D. Increase the PARALLEL_MAX_SERVER initialization parameter
E. Decrease the number of PREPARER processes
F. Increase the RECOVERY_PARALLELISM initialization parameter

Answer: BE

Thursday, 10 November 2016

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