High value 1Z0-066 Exam Dumps 2019

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NEW QUESTION 1
You must design an Oracle Data Guard configuration for an OLTP database 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:
1. It should be possible to apply designated patches with a minimum amount of downtime.
2. Upgrading to a new database release should be performed with the least possible amount of downtime.
3. New application software releases should be tested against an exact and up-to-date replica of the primary database.
Which configuration meets these requirements with the fewest databases?

  • A. a primary database with three physical standby databases
  • B. a primary database with one logical and two physical standby databases
  • C. a primary database with one logical standby database
  • D. a primary database with one logical and one physical standby database
  • E. a primary database with two physical standby databases
  • F. a primary database with one physical standby database

Answer: D

NEW QUESTION 2
Your Data Guard environment has two remote physical standby databases.
Client applications use the local naming method to define connectivity to the primary database instance.
Which will automatically redirect clients to the new primary database in case of a switchover or failover?

  • A. Create a database service on the standby databases; automate the start of the service after a role change, and modify the connection description on the clients to use that service.
  • B. Configure a PRIMARY role service on the Primary and Standby and modify the Client connect descriptor to include both Primary and the Standby.
  • C. Set the DB_NAME parameter identically on all databases; modify the connection descriptor on the clients to use DB_NAME to connect to the primary database instance.
  • D. Set the LOCALJJSTENER parameter for all the database instances, to register services with the default listener on the primary database host.

Answer: C

NEW QUESTION 3
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

NEW QUESTION 4
Which three are prerequisites for enabling Fast-Start Failover?

  • A. The Fast-Start Failover target standby database must receive REDO directly from the primary database
  • B. Flashback Database must be enabled on both the primary database and the Fast-Start Failover target standby database.
  • C. Flashback Database must be enabled only on the Fast-Start Failover target standby database.
  • D. The configuration must be operating in either Maximum Performance or Maximum Availability mode
  • E. The configuration must be operating in either Maximum Performance or Maximum Protection mode
  • F. The Data Guard environment must be managed by the Data Guard Broker.

Answer: BDF

NEW QUESTION 5
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: ADEF

NEW QUESTION 6
You must use a physical standby database file to recover a data file on a primary database in a Data Guard environment.
Which three of these steps must be performed on the primary database after the file has been backed up using RMAN on the physical standby database?

  • A. Connect to the primary database as the AUXILIARY.
  • B. Catalog the data file copy for RMAN to use on the primary database for restore.
  • C. Back up the data file as copy on the standby host to a location on the standby host.
  • D. Switch to the data file copy using the RMAN SWITCH command.
  • E. Back up the data file as copy on the standby host to a location on the primary host
  • F. Connect to the primary database as the TARGET.

Answer: ABD

NEW QUESTION 7
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

NEW QUESTION 8
Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to SYNC.
4. Real-time query is enabled for both standby databases.
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases.
You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases?

  • A. Increase the size of the buffer cache on the physical standby database instances.
  • B. Increase the number of standby redo log files on the standby databases.
  • C. Decrease the redo log file size on the primary database.
  • D. Lower DB_BLOCK_CHECKING to MEDIUM or LOW on the standby databases.
  • E. Increase the size of standby redo log files on the standby databases.

Answer: AD

NEW QUESTION 9
Which four requirements can be met by deploying a logical standby database?

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

Answer: ACEG

NEW QUESTION 10
Which two statements are true for Data Guard environments with multi-tenant databases?

  • A. DB_UNIQUE_NAME must be specified differently for each pluggable database within a multi-tenant standby database.
  • B. Each pluggable database within a multi-tenant physical standby database has a minimum of one associated Oracle Net service name.
  • C. Each pluggable database within a multi-tenant physical standby has one MRP background process running during redo apply.
  • D. A pluggable database within a multi-tenant standby database can have a different open mode than the container database
  • E. A pluggable database within a multi-tenant standby database can have a different database role than the container database.

Answer: AD

NEW QUESTION 11
Your expertise is requested for these customer requirements:
1. The Data Guard environment must be in maximum protection mode. 2 Reports must be offloaded to a physical standby database.
3. There must be no lag between the primary and standby databases that affect the reports
produced.
4. The primary database must be resilient in case of a single network failure. Which solution is correct for these requirements?

  • A. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DELAY parameter set to zero, receiving redo from the primary with asynchronous transport
  • B. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport
  • C. one physical standby database with Real-Time Query enabled, receiving redo from two Far Sync instances that are connected the primary
  • D. one physical standby database with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport
  • E. two physical standby databases with Real-Time Query enabled, receiving redo from the primary with the LOG_ARCHIVE_DEST_n attnbutes SYNC NOAFFIRM to minimize the performance impact on the primary.

Answer: B

NEW QUESTION 12
Which two Data Guard monitoring activities may be performed using Enterprise Manager Cloud Control?

  • A. monitoring the redo apply rate on a physical standby
  • B. monitoring the redo apply rate on a logical standby
  • C. monitoring the undo generation rate on a logical standby
  • D. monitoring the redo apply rate on a snapshot standby
  • E. monitoring the transport lag
  • F. monitoring the undo generation rate on the primary

Answer: AE

NEW QUESTION 13
Examine the Data Guard configuration: DGMGRL> show configuration Configuration-Animals
Protection Mode: MaxAvailability Databases:
Sheep- Primary database
Warning: ORA-16817: unsynchronized fast-start failover configuration Dogs - (*) Physical standby database (disabled)
ORA-16661: the standby database needs to be reinstated
Fast-Start Failover: ENABLED Configuration Status: WARNING And the fast-start failover configuration:
DGMGRL> show fast_start failover; Fast-Start Failover: ENABLED Threshold: 30 seconds Target: dogs
Observer: 017.example.com Lag Limit: 30 seconds (not in use) Shutdown Primary: TRUE Auto-reinstate: TRUE Observer Reconnect 10 seconds Observer Override: FALSE
Configurable Failover Conditions Hearth Conditions: Corrupted Controlfile YES Inaccessible Logfile NO
Stuck Archiver NO Datafile Offline YES Oracle error Conditions
ORA-01578: ORACLE data block corrupted (file # %s, block # %s) And finally the reason for the fail over:
SQL> select last_failover_reason from v$fs_failover_stats;
LAST_FAILOVER_REASON
ORA-01578: ORACLE data block corrupted (file # %s, block # %s)
Identify the task, or sequence of tasks, to bring the configuration into the SUCCESS state.

  • A. Bring Dogs to the NOMOUNT state and let the broker reinstate Dogs automatically.
  • B. MOUNT DOGS and issue ''reinstate database dogs:" at the DGMGRL prompt while connected to Dogs.
  • C. MOUNT DOGS and issue "reinstate database dogs:" at the DGMGRL prompt while connected to Sheep
  • D. Open Dogs and let the broker reinstate Dogs automatically.

Answer: C

NEW QUESTION 14
In which two cases is it possible to change the protection mode to maximum protection using Enterprise Manager Cloud Control?

  • A. a snapshot standby database is the only standby database in the Data Guard configuration.
  • B. A logical standby database is the only standby database in the data guard configuration.
  • C. A far sync instance is the only Data Guard configuration member receiving redo in synchronous mode.
  • D. Flashback is not enabled for either the primary database, the standby database, or both in the Data Guard configuration.
  • E. The primary and standby databases are hosted on different operating systems.

Answer: BE

NEW QUESTION 15
You edit the DGConnectldentifier database property using the edit database set property DGMGRL command Which two are effects of this change?

  • A. The fal_client database initialization parameter on all standby databases is updated with the new value.
  • B. The service attribute of the log_archive_dest_n initialization parameter for any database referring to the specified database is updated with the new value.
  • C. The fal_client database initialization parameter for the specified database is updated with the new value
  • D. The broker configuration must be disabled and then enabled to use the new connection property.
  • E. The service attribute of the log_archive_dest_n initialization parameter referring to all standby databases is updated with the new value

Answer: AB

NEW QUESTION 16
Which three factors can influence the rate of redo apply on a physical standby database?

  • A. the network latency between the primary and standby databases
  • B. the number of archiver processes on the standby database
  • C. the number and size of standby redo logs on the primary database
  • D. the rate of redo generation on the primary database
  • E. the number and size of standby redo logs on the standby database

Answer: ABE

NEW QUESTION 17
You must propose an Oracle Data Guard configuration tor 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. 2,3, 4, and 5
  • B. 1,2, 3,4, and 5
  • C. 1 and 2
  • D. only requirement 5
  • E. only requirement 1

Answer: C

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