Share some Oracle Database 1Z0-066 exam questions and answers below.
You administer a Data Guard environment with a primary and two physical standby databases.One of the physical standby databases is used for reporting and is on the same host as the primary database.The other physical standby database is remote, used for disaster recovery and REDO is routed to it via a far sync instance.Backups are offloaded to the remote physical standby.Which three are true concerning the management of archive logs in this Data Guard configuration?
A.Archive logs on the primary database may be deleted once they are applied on all standby databases.
B.Archive logs on the primary database may be deleted once they are shipped on all standby databases.
C.The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they backed up at least once on the remote physical standby database.
D.The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they are applied on all standby databases.
E.Archive logs on the primary database may be deleted once they are archived locally to disk.
Answer: A, D, E
Your Data Guard environment has two remote physical standby databases. Client applications use the local naming method to connect to the primary database instance.You want applications to automatically connect to the new primary database instance in case of a switchover or a failover. Which will fulfill this requirement?
A.Create a database service on each standby database that is started automatically by a trigger, when the database rote is PRIMARY, modify the connection description used by client applications to include all the standby hosts and connect to the database instance using that service name.
B.Create a database service on the primary database that is started automatically by a trigger, when the database role is PRIMARY, modify the connection descriptors used by client applications to include all the standby hosts and connect to the database instance using that service name.
C.Set the INSTANCE_NAME parameter identically on all databases; modify the connection descriptor on client applications to include all the standby hosts and connect to the database instance using that service name.
D.Set the DB_NAME and DB_UNIQUE_NAME identical on all databases, modify the connection descriptors on client applications to include all the standby hosts and connect to the database using that service name.
Answer: A
Which two are prerequisites for configuring flashback database for Oracle 12c databases, in a Data Guard environment?
A.A flash recovery area must be configured
B.The database must be in MOUNT state.
C.The database must be in ARCHIVELOG mode.
D.A far sync instance must be configured to flash back a standby when the primary has been flashed back.
E.The Data Guard Broker must be used.
Answer: A, C
Which four database parameters might be affected by or influence the creation of standby databases?
A.DB_NAME
B.ARCHIVE_LAG_TARGET
C.COMPATIBLE
D.DB_FILE_NAME_CONVERT
E.DB_UNIQUE_NAME
F.FAL_SERVER
G.STANDBY_ARCH1VE_DEST
Answer: A, D, E, F
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