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 ways to start the observer successfully. (Choose two.)

• A. Create a broker configuration and enable Fast-Start Failover before starting the observer.
• B. Set the ObserverOverride property to TRUE before starting the observer.
• C. Start the observer using a different observer configuration file.
• D. Start the observer in a different working directory.
• E. Enable Fast-Start Failover before starting the observer.

설명: (Fast2test 회원만 볼 수 있음)

A Data Guard environment has this configuration and these attributes:
1. A primary database
2. A Physical Standby Database named sbdb
3. The configuration is in maximum availability protection mode.
Then sbdb is converted to a snapshot standby database.
When two statements are true? (Choose two.)

• A. Sbdb can still receive redo
• B. The protection mode is lowered to maximum performance.
• C. The recovery point objective increases.
• D. Sdbd can still apply redo.
• E. The recovery time objective increases.

설명: (Fast2test 회원만 볼 수 있음)

A query on the view DBA_LOGSTDBY_UNSUPPORTED on your primary database returns several rows.
As a result of this, you decide that an upgrade may not use logical standby databases.
Which three are true about upgrading Data Guard environments consisting of one physical standby database running on a separate host from the primary? (Choose three.)

• A. The new release of the Oracle Software must be installed on both the primary and standby database hosts.
• B. The upgrade requires downtime until the upgrade of the primary is completed.
• C. The upgrade requires downtime until the upgrade of the standby is completed.
• D. Redo Apply on the standby database must be stopped while the primary database is upgraded.
• E. Fast-Start Failover can be used to protect the primary database during the upgrade.
• F. The broker must be disabled during the upgrade.
• G. With manual upgrade, catupgrd.sql can be executed on the primary and standby databases simultaneously.

설명: (Fast2test 회원만 볼 수 있음)

A data file on one of your physical standby databases has been accidentally deleted and you must restore and recover it.
All the archive logs required for recovery are still on disk in the directory pointed to by the log_archive_dest_1 parameter.
Which three steps must be performed to restore the missing file and recover the standby database while it is in the MOUNT state? (Choose three.)

• A. Restart the redo apply.
• B. Recover the datafile by using the RMAN RECOVER DATAFILE command
• C. Recover the database by using the RMAN RECOVER DATABASE command.
• D. Stop the redo apply.
• E. Restore the datafile by using the RMAN RESTORE DATAFILE command.

설명: (Fast2test 회원만 볼 수 있음)

Which two are true about the usage of DBMS_ROLLING? (Choose two.)

• A. The trailing group can contain standby databases that will protect the original primary database during the rolling release upgrade process.
• B. The leading group contains the original primary database.
• C. The trailing group contains the original primary database.
• D. At least one logical standby database must be part of the initial Data Guard configuration.
• E. The background process DMON must be enabled on all database instances that take part in the rolling release upgrade process.

설명: (Fast2test 회원만 볼 수 있음)