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Question 1

Examine the Data Guard configuration after an accidental switchover to Sheep:

DGMGRL> show configuration;

Configuration - Animals

Protection Mode: MaxAvailability

Databases:

sheep - Primary database

dogs - Logical standby database

cats - Physical standby database (disabled)

ORA-16795: the standby database needs to be re-created

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

Which three statements will be true after a switchover to Dogs?

ASheep will be a disabled logical standby database.

BCats will be a disabled physical standby database that can be manually enabled.

CSheep will be an enabled logical standby database.

DDogs will be the primary database.

ECats will be an enabled physical standby database.

Question 2

You notice that the SQL apply lag on your logical standby database has increased but the redo transport lag has not.

Which four could be reasons for the increase in SQL apply lag?

AAn undersized undo tablespace on the logical standby

BMany SQL apply operations do full table scans

CAn increased number of bulk updates on the primary

DAn increased number of bulk inserts on the primary

EThe standby redo log files are undersized on the primary database

FAn undersized shared pool

Question 3

Which TWO statements are true about database parameters for databases in a Data Guard environment?

AIf DB_RECOVERY_FILE_DEST is specified, then LOG_ARCHIVE_DEST_n is not required for local archive logs.

BThe databases that are part of a Data Guard configuration must have different DB_UNIQUE_NAME initialization parameters.

CCOMPATIBLE must have identical values for primary and standby databases.

DLOG_FILE_NAME_CONVERT applies to online redo logs and archived logs.

EDB_FILE_NAME_CONVERT is only required if the standby database is on the same host as the primary database.

Question 4

Which TWO statements are true for Data Guard environments with multi-tenant databases?

AA multi-tenant standby database can have fewer pluggable databases than the primary container database.

BDifferent pluggable databases within a logical standby database may have different guard statuses.

CThe Data Guard broker automatically opens all pluggable databases of a primary database after a role change operation.

DThe Data Guard broker automatically always opens the pluggable databases of a standby database after a role change operation.

EThe CDBDBA privilege must be used instead of the SYSDBA privilege for connections as SYS to the root container of a multi-tenant standby database.

Question 5

Your Data Guard environment has one physical standby database using Real-Time Query. Two sequences have been created by these SQL statements:

Neither sequence has been used since being created.

Session 1 connects to the primary database instance and issues these two SQL statements:

SELECT a.nextval FROM DUAL; SELECT b.nextval FROM DUAL;

Then session 2 connects to the physical standby database instance and issues the same SQL statements. Which output will be seen for session 2?

AOption A

BOption B

COption C

DOption D

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