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Free 1Z0-066 Demo Online For Microsoft Certifitcation:

NEW QUESTION 1
You must configure an Oracle Data Guard environment consisting of:
1. A primary database
2. A Physical Standby Database
3. A Snapshot Standby Database You must meet these requirements:
1. Primary database availability should not be compromised by the availability of the standby databases.
2. Under normal operations, transactions executed on the primary database should not commit before redo is written to disk on the primary database and on at least one standby database.
Which redo transport mode, and which protection mode should you configure to meet these
requirements?

  • A. SYNC AFFIRM and Maximum Protection
  • B. SYNC NOAFFIRM and Maximum Protection
  • C. SYNC AFFIRM and Maximum Availability
  • D. SYNC NOAFFIRM and Maximum Availability
  • E. ASYNC and Maximum Performance

Answer: C

NEW QUESTION 2
A customer asks you to propose the most appropriate solution for this set of requirements:
1. We need a disaster recovery solution that enables us to fail over from our production database with zero data loss.
2. We want to generate reports from the proposed standby database at the same time that it is used for other purposes.
3. Developers may need to test occasionally on a copy of the live database.
You have to already confirmed that there are no unsupported data types on the primary database Which two solutions would you recommend?

  • A. a remote physical standby database with RedoRoutesvia a far sync instance
  • B. a snapshot standby database with synchronous redo transport
  • C. a physical standby database with real-time query enabled
  • D. a logical standby database
  • E. a read mostly implementation of a physical standby database

Answer: BC

NEW QUESTION 3
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 4
Which three are true about using RMAN in a Data Guard environment?

  • A. A recovery catalog is required when RMAN is used to take backups from a logical standby database in a Data Guard configuration if you plan to recover the primary using those backups.
  • B. Backups of archived redo logs taken on a physical standby are interchangeable with a primary.
  • C. A recovery catalog is required when RMAN is used to take backups from a physical standby database if you plan to recover the primary using those backups
  • D. Backups of control files taken on a physical standby are not interchangeable with a primary.
  • E. Backups of data files taken on a physical standby are interchangeable with a primary.

Answer: BCE

NEW QUESTION 5
Examine the Data Guard configuration after an accidental switchover to Sheep:
1Z0-066 dumps exhibit
Which three will be true after a switchover to Dogs?

  • A. Sheep will be a disabled logical standby database.
  • B. Sheep will be an enabled logical standby database.
  • C. Cats will be a disabled physical standby database that can be manually enabled.
  • D. Cats will be an enabled physical standby database.
  • E. Dogs will be the primary database.

Answer: BCE

NEW QUESTION 6
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 7
Examine the Fast-start configuration
1Z0-066 dumps exhibit
Oracle Error Conditions: (none) Which three are true?

  • A. The observer will initiate a failover when the primary database is unable to produce local archived redo log files.
  • B. An automatic failover will be initiated even if the target standby database lags behind the primary
  • C. The observer is running
  • D. a failover may occur if the observer has lost connectivity to the primary database, even if the Fast-Start Failover target standby database has a good connection to the primary database
  • E. The configuration operates in Maximum Availability mode
  • F. The configuration operates in Maximum Performance mode

Answer: ACE

NEW QUESTION 8
Which two are true about management of a far sync instance when using the Data Guard Broker?

  • A. A far sync instance is in a disabled state in the broker configuration immediately after adding it
  • B. A far sync instance that has its RedoRoutes property set may not be disabled in the broker configuration.
  • C. Broker management of a far sync instance may only be disabled with the disable configuration DGMGRL command.
  • D. A far sync instance need not exist before adding it to the broker configuration but may not be enabled until created

Answer: AB

NEW QUESTION 9
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 10
Examine the Fast-start configuration
1Z0-066 dumps exhibit
Oracle Error Conditions: (none) Which three are true?

  • A. The observer will initiate a failover when the primary database is unable to produce local archived redo log files.
  • B. An automatic failover will be initiated even if the target standby database lags behind the primary
  • C. The observer is running
  • D. a failover may occur if the observer has lost connectivity to the primary database, even if the Fast-Start Failover target standby database has a good connection to the primary database
  • E. The configuration operates in Maximum Availability mode
  • F. The configuration operates in Maximum Performance mode

Answer: ACE

NEW QUESTION 11
Your Data Guard environment consists of these components and settings:
1. A primary database
2. A remote physical standby database
3. Real-time query is enabled
4. The redo transport mode is set to SYNC.
5. The protection mode is set to Maximum Availability.
You notice that queries executed on the physical standby database receive errors: ORA- 03172: STANDBY_MAX_DATA_DELAY of 15 seconds exceeded. Which two would you recommend to avoid this error?

  • A. Change the protection mode to Maximum Performance.
  • B. Increase the size of the buffer cache on the standby database instance.
  • C. Reduce I/O latency for the storage used by the primary database.
  • D. Change the protection mode to Maximum Protection.
  • E. Increase the network bandwidth between the primary and standby databases
  • F. Increase the number of standby redo log files on the primary database

Answer: AE

NEW QUESTION 12
Which three are true concerning Automatic Block Media Recovery in a Data Guard environment when running an application as an ordinary Oracle user?

  • A. Real Time Query must be enabled on the primary database
  • B. Real Time Query must be enabled on the physical standby database.
  • C. |f a physically corrupt block is discovered on a physical standby database, then a valid block image from the primary database is retrieved.
  • D. If a physically corrupt block is discovered on the primary database, then a valid block image from a physical standby database is retrieved
  • E. if a physically corrupt block is discovered on a logical standby database, then a valid block image from the primary database is retrieved.
  • F. If a physically corrupt block is discovered on a primary database, then a valid block image from the logically standby database is retrieved.

Answer: BCD

NEW QUESTION 13
Which two are true about the usage of DBMS_ROLLING?

  • A. The leading group contains the original primary database.
  • B. The trailing group contains the original primary database.
  • C. The background process DMON must be enabled on all database instances that take part in the rolling release upgrade process.
  • D. At least one logical standby database must be part of the initial Data Guard configuration
  • E. The trailing group can contain standby databases that will protect the original primary database during the rolling release upgrade process.

Answer: DE

NEW QUESTION 14
Which two statements are true for Data Guard environments with mufti-tenant databases?

  • A. Different pluggable databases within a logical standby database may have different guard statuses.
  • B. The Data Guard broker automatically always opens the pluggable databases of a standby database after a role change operation.
  • C. The Data Guard broker automatically opens all pluggable databases of a primary database a role change operation.
  • D. The CDBDBA privilege must be used instead of the SYSDBA privilege for connections as SYS to the root container of a multi-tenant standbydatabase.
  • E. A multi-tenant standby database can have fewer pluggable databases than the primary container database

Answer: CD

NEW QUESTION 15
Which three statements are true about Far Sync instances?

  • A. The Data Guard Broker must be used to deploy and manage Far Sync instances.
  • B. They enable standby database to be configured at remote distances from the primary without impacting performance on the primary.
  • C. A primary database can ship redo directly to multiple Far Sync instances.
  • D. They use as spfile, a standby controlfile, and standby redo logs.
  • E. They work with any protection level.

Answer: ABD

NEW QUESTION 16
A query on the view DBA_LOGSTBY_UNSUPPORTED on your primary database returns no rows
As a result of this, you decide that an upgrade may use logical standby databases. Which two are true about upgrading Data Guard environments consisting of one logical
standby database running on a separate host from the primary?

  • A. The upgrade always requires downtown until the upgrade of the logical standby is completed
  • B. Using manual upgrade, catctl.pl can be executed in some cases on the primary and standby database simultaneously.
  • C. The upgrade always required downtime until the upgrade of the primary is completed
  • D. Using manual upgrade, catupgr.sql needs to run on the primary database only.
  • E. SQL Apply on the local standby database must be stopped while the primary database is upgraded.
  • F. Fast-Start Failover can be used to protect the primary database during the upgrade.

Answer: BE

NEW QUESTION 17
You administer a Data Guard environment consisting of a primary and three physical standby databases.
One physical standby database is used for disaster recovery, one is used for reporting, and one is used as a replica for testing.
The standby database used for testing is occasionally converted into a snapshot standby database and then converted back to a physical standby.
The physical standby database is the only standby that is a mandatory destination The broker configuration operates in MAXIMUM PERFORMANCE mode.
Which ARCHIVELOG DELETION POLICY should be set. so that archive logs generated on the primary database are not deleted before they are consumed appropriately on each of the standby databases, but which allows them to be deleted form the primary as soon as it is safe to do so?

  • A. CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY
  • B. CONFIGURE ACHIVELOG DELETION POLICY TO APPLIED ON STANDBY;
  • C. CONFIGURE ACHIVELOG DELETION POLICY TO SHIPPED TO ALL STANDBY;
  • D. CONFIGURE ACHIVELOG DELETION POUCY TO SHIPPED TO STANDBY,
  • E. CONFIGURE ACHIVELOG DELETION POLICY TO NONE;

Answer: B

NEW QUESTION 18
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 19
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 20
Which two statements are true regarding Data Guard Broker?

  • A. It automatically adds the primary database to an existing broker configuration when Enterprise Manager Cloud Control is used to create a standby
  • B. It automatically starts the DMON process for the database instances that are part of a Data Guard configuration.
  • C. it can be used to perform failovers and switchovers.
  • D. It can be used to create and manage standby databases.
  • E. It can be used to monitor redo transport and log apply services.

Answer: BC

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