Oracle 1Z0-066 問題集

質問 1：
Which two are true about the creation of a Data Guard Broker configuration? (Choose two.)
A. A newly created broker configuration requires at least one standby database profile to be specified at the time the configuration is created.
B. In a broker configuration, the primary database name must match the DB_UNIQUE_NAME value in the database initialization parameter file.
C. A newly created broker configuration is in the disabled state.
D. A primary database profile may be added to the configuration prior to creating the primary database.
E. A standby database profile may be added to the configuration prior to creating that standby database.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which two are true about offloading backups to a physical standby database in a Data Guard environment?
(Choose two.)
A. Backups of the standby control file taken while connected to the catalog where the database is registered, may be used to restore the control file on the primary database.
B. The standby database must be registered in an RMAN catalog before the primary database has been registered.
C. The standby database cannot be registered in an RMAN catalog if the primary database has not been registered.
D. The standby database must be registered in an RMAN catalog after the primary database has been registered.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Examine the Data Guard configuration:
DGMGRL> show configuration verbose;
Configuration - Animals
Protection Mode: MaxPerformance
Databases:
cats - Primary database
dogs - (*) Physical standby database
sheep - Physical standby database
(*) Fast-Start Failover target
Properties:
FastStartFailoverThreshold = '30'
OperationTimeout = '30'
TraceLevel = 'USER'
FastStartFailoverLagLimit = '30'
CommunicationTimeout= '180'
ObserverReconnect= '10'
FastStartFailoverAutoReinstate= 'FALSE'
FastStartFailoverPmyShutdown= 'TRUE'
BystandersFollowRoleChange= 'none'
ObserverOverride = 'FALSE'
Fast-Start Failover: ENABLED
Threshold: 30 seconds
Target: dogs
Observer: ol5.example.com
Lag Limit: 30 seconds
Shutdown Primary:TRUE
Auto-reinstate: FALSE
Observer Reconnect: 10 seconds
Observer Override: TRUE
Configuration Status:
SUCCESS
Which two are true? (Choose two.)
A. The observer will detect if the primary database is unable to accept new connections.
B. The observer will mark another standby database as the failover target if the original failover target becomes unavailable.
C. The observer will reinstate Sheep automatically after a failover, if required.
D. The former primary database will not be reinstated automatically after a failover.
E. The observer must run on host ol5.example.com and is currently not running.
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which two are true about database roles in an Oracle Data Guard Configuration? (Choose two.)
A. A Logical Standby Database can cascade redo to a terminal destination.
B. A Logical Standby Database can be converted to a Snapshot Standby Database.
C. A configuration consisting only of a primary and one or more physical standby databases can support a rolling release upgrade.
D. A Snapshot Standby Database can be a fast-start failover target.
E. A Physical Standby Database can be converted into a Logical Standby Database.
正解：B,E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which two are prerequisites for enabling Automatic Block Media Recovery in a Data Guard environment consisting of a primary database, one physical standby database and one logical standby database? (Choose two.)
A. FLASHBACK DATABASE must be enabled on the physical standby database.
B. The logical standby database must have Real-Time Query enabled.
C. There must be connectivity between the primary and the physical standby database.
D. FLASHBACK DATABASE must be enabled on the primary database.
E. The physical standby database must have Real-Time Apply enabled.
正解：D,E
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which three are among the various tasks performed by the Data Guard Monitor (DMON) process? (Choose three.)
A. maintaining information about all members of the broker configuration in binary configuration files
B. communicating with DMON processes in other database instances that are part of the broker configuration
C. activating role-based services appropriately in the various database instances of the configuration, based on the database role
D. performing role transitions when switchover requests are made
E. communicating with the DMON process of the observer to monitor a primary database in case a fast start failover is required.
正解：A,B,D
解説: (Topexam メンバーにのみ表示されます)