最新的Oracle Database 12c認證 1Z1-066考試題庫

問題1

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_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport

B. 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

C. two physical standby databases with Real-Time Query enabled, receiving redo from the primary with the LOG_ARCHIVE_DEST_n attributes SYNC NOAFFIRM to minimize the performance impact on 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. one physical standby database with Real-Time Query enabled, receiving redo from two Far Sync instances that are connected the primary

正確答案: A

說明：（僅 VCESoft 成員可見）

問題2

Examine the Data Guard configuration:
Properties:
FastStartFailoverThreshold= '30'
OperationTimeout= '30'
TraceLevel= 'USER'
FastStartFailoverLagLimit= '30'
CommunicationTimeout= '180'
ObserverReconnect= '10'
FastStartFailoverAutReinstate= 'TRUE'
FastStartFailoverPmyShutdown= 'TRUE'
BystandersFollowRoleChange= 'all'
ObserverOverride= 'FALSE'
Fast-Start Failover:ENABLED
Threshold:30 seconds
Target:dogs
Observer:prutser6.example.com
Lag Limit:30 seconds (not in use)
Shutdown Primary:TRUE
Auto-reinstate:TRUE
Observer Reconnect:10 seconds
Observer Override:
Configuration Status:
SUCCESS
What happens if you issue "failover to dogs;" at the DGMGRL prompt while connected to Dogs?

A. It results in an error indicating that a failover is not allowed.

B. The failover succeeds, Sheep becomes the new target standby database, and Cats is automatically reinstated.

C. The failover succeeds and Cats is terminated.

D. The failover succeeds and Cats is left running.

E. The failover succeeds and Cats is automatically reinstated.

正確答案: C

問題3

Which two are true concerning the configuring of Flashback database in a Data Guard environment? (Choose two.)

A. It permits a physical standby database to be converted to a snapshot standby database.

B. It is a prerequisite for the use of Fast Start Failover.

C. It enables the use of far sync instances.

D. It is required in order for a snapshot standby database to be converted to a physical database.

E. It permits a primary database that was disabled after failover to be reinstated as a standby.

正確答案: B,C

說明：（僅 VCESoft 成員可見）

問題4

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. Start the observer using a different observer configuration file.

B. Enable Fast-Start Failover before starting the observer.

C. Set the ObserverOverride property to TRUE before starting the observer.

D. Start the observer in a different working directory.

E. Create a broker configuration and enable Fast-Start Failover before starting the observer.

正確答案: A,D

說明：（僅 VCESoft 成員可見）

問題5

Which three are required in order to use Real-Time Query without lagging behind the primary? (Choose three.)

A. The primary must ship redo asynchronously.

B. Real-Time apply must be enabled on the standby.

C. There must be standby redo logs on the primary database.

D. COMPATIBLE must be set to 11.1.0 or higher.

E. There must be standby redo logs on the standby database.

正確答案: B,D,E

說明：（僅 VCESoft 成員可見）

問題6

You edit the DGConnectIdentifier database property using the edit database set property DGMGRL command.
Which two are effects of this change? (Choose two.)

A. The broker configuration must be disabled and then enabled to use the new connection property.

B. The fal_client database initialization parameter on all standby databases 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 service attribute of the log_archive_dest_n initialization parameter for any database referring to the specified database is updated with the new value.

E. The service attribute of the log_archive_dest_n initialization parameter referring to all standby databases is updated with the new value.

正確答案: B,D

說明：（僅 VCESoft 成員可見）

問題7

Which three are true about disabling of the Data Guard Broker management of databases in a configuration and the effects of doing this? (Choose three.)

A. The only way to disable broker management of the primary database is to use the disable configuration DGMGRL command.

B. The configuration transport mode may be modified while the entire configuration is disabled from broker management.

C. A standby database that is the fast start failover target, may be disabled from broker management only by using the disable database DGMGRL command.

D. Database properties may be modified when that database is disabled from broker management.

E. The only way to disable broker management of a far sync instance is to use the disable configuration DGMGRL command.

正確答案: A,C,D

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