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Oracle 1z0-066 Exam Dumps

Oracle 1z0-066 Exam Dumps

Oracle Database 12c: Data Guard Administration

112 Questions & Answers with Explanation
Update Date : February 22, 2024
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Oracle 1z0-066 Sample Questions

Question # 1

Which three are among the various tasks performed by the data Guard Monitor (DMON) process?

A. performing role transitions when switchover requests are made 
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. communicating with the DMON process of the observer to monitor a primary database in case a fast start failover is required. 
E. maintaining information about all members of the broker configuration in binary configuration files 



Question # 2

Which four factors can influence the rate of SQL apply on a logical standby database? 

A. the size of the undo tablespace on the logical standby database 
B. the number of full table scans performed by SQL apply
C. the number of coordinator processes on the standby database instance 
D. the size of the shared pool  
E. the number of APPLIER processes  
F. the number of PREPARER processes  



Question # 3

Which two are true about the creation of a Data Guard Broker configuration? 

A. in a broker configuration, the primary database name must match the DB_UNIQUE_NAME value in the database initialization parameter file. 
B. A primary database profile may be added to the configuration prior to creating the primary database. 
C. A standby database profile may be added to the configuration prior to creating that standby database. 
D. A newly created broker configuration requires at least one standby database profile to be specified at the time the configuration is created. 
E. A newly created broker configuration is in the disabled state 



Question # 4

Which two are true about rolling release upgrades in a Data Guard environment? 

A. The background process DMON must be enabled on the primary and standby databases during a rolling release upgrade procedure
B. A physical standby database can be converted to a logical standby database temporarily. 
C. Rolling release upgrades require the background process RVWR to write flashback logs on the standby database. 
D. The KEEP IDENTITY clause ensures that a logical standby database keeps the same DBID as the primary database. 
E. The recovery point objective increases proportionally to the duration of the rolling release upgrade procedure. 



Question # 5

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?

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



Question # 6

Examine the Data Guard configuration:DGMGRL> show configuration;Configuration -Animals Protection Mode MaxAvailabilityDatabasesdogs- Primary databasecats- Snapshot standby databasesheep- Snapshot standby databaseFast-Start Failover DISABLEDConfiguration Status: ORA-01034: ORACLE not available ORA-16625: cannot reachdatabase "dogs'1 DGM-17017 unable to determine configuration statusYou wish to perform a failover to SheepWhich command, or sequence of commands, should you issue to the broker beforeexecuting "failover to sheep", using the broker?

A. DGMGRL> convert database cats to physical standby, 
B. DGMGRL> convert database sheep to physical standby; 
C. DGMGRL> convert database sheep to physical standby; DGMGRL> convert database cats to physical standby; 
D. DGMGRL>edit configuration set protection mode as maxperformance; DGMGRL> convert database sheep to physical standby; 
E. None, because you can directly failover to a Snapshot Standby Database 



Question # 7

Which three are benefits of using the Data Guard Broker to manage standby databases?

A. it simplifies physical standby database creation
B. It provides an easy failover capability using a single command. 
C. it coordinates database state transitions and updates database properties dynamically. 
D. it automatically changes database properties after the protection mode for a configuration is changed 
E. It provides an easy switchover capability using a single command. 
F. It simplifies logical standby database creation. 



Question # 8

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 reasons for this error

A. Fast-Start Failover is not yet enabled for this Data Guard configuration  
B. The observer configuration file is marked read-only.  
C. There is already an observer running for this Data Guard configuration.  
D. There is another observer running for a Data Guard configuration which uses the same observer configuration file 
E. The broker configuration has not yet been created. 



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