Oracle 1Z0-066 Free Practice Questions 2021

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NEW QUESTION 1
Which four requirements can be met by deploying a logical standby database?

  • A. Support for workloads requiring additional indexes.
  • B. it can be used to create additional schemas.
  • C. it can be used to create additional tables.
  • D. It must have the same physical structure as the primary database.
  • E. it must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
  • F. Support for workloads requiring additional materialized views.
  • G. it can be used for Real Application Testing without affecting the disaster recovery capabilities.

Answer: ACEG

NEW QUESTION 2
In which two cases is it possible to change the protection mode to maximum protection using Enterprise Manager Cloud Control?

  • A. a snapshot standby database is the only standby database in the Data Guard configuration.
  • B. A logical standby database is the only standby database in the data guard configuration.
  • C. A far sync instance is the only Data Guard configuration member receiving redo in synchronous mode.
  • D. Flashback is not enabled for either the primary database, the standby database, or both in the Data Guard configuration.
  • E. The primary and standby databases are hosted on different operating systems.

Answer: BE

NEW QUESTION 3
You administer a Data Guard environment with a primary and two physical standby databases.
One of the physical standby databases is used for reporting and is on the same host as the primary database.
The other physical standby database is remote, used for disaster recovery and REDO is routed to it via a far sync instance.
Backups are offloaded to the remote physical standby.
Which three are true concerning the management of archive logs in this Data Guard configuration?

  • A. Archive logs on the primary database may be deleted once they are applied on all standby databases.
  • B. Archive logs on the primary database may be deleted once they are shipped on all standby databases.
  • C. The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they backed up at least once on the remote physical standby database.
  • D. The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they are applied on all standby databases.
  • E. Archive logs on the primary database may be deleted once they are archived locally to disk.

Answer: ADE

NEW QUESTION 4
Which three are required in order to use Real-Time Query without lagging behind the primary?

  • A. There must be standby redo logs on the standby database
  • B. There must be standby redo logs on the primary database.
  • C. The primary must ship redo asynchronously.
  • D. COMPATIBLE must be set to 11.1.0 or higher.
  • E. Real-Time apply must be enabled on the standby.

Answer: ADE

NEW QUESTION 5
Which four requirements can be met by deploying a logical standby database?

  • A. Support for workloads requiring additional indexes.
  • B. it can be used to create additional schemas.
  • C. it can be used to create additional tables.
  • D. It must have the same physical structure as the primary database.
  • E. it must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
  • F. Support for workloads requiring additional materialized views.
  • G. it can be used for Real Application Testing without affecting the disaster recovery capabilities.

Answer: ACEG

NEW QUESTION 6
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 7
Examine this query and its output:
1Z0-066 dumps exhibit
Which are true?

  • A. The observer is not connected to the database on which the query was executed.
  • B. Cats is a bystander database.
  • C. The observer is connected to the database on which the query was executed.
  • D. The observer is currently running on o17.example com
  • E. The observer is not running, but should run on o17 example.com.

Answer: A

NEW QUESTION 8
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 9
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 10
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 standby database.
  • E. A multi-tenant standby database can have fewer pluggable databases than the primary container database

Answer: CD

NEW QUESTION 11
Your Data Guard environment consists of these components and settings:
1. A primary database supporting an OLTP workload 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
Which two are true regarding the DelayMins Database Property for the standby database?

  • A. it can only be enabled for a configuration in Maximum Performance mode.
  • B. It allows user errors on the primary to be recovered by using the physical standby database.
  • C. It enables you to bypass the default network timeout interval specified for the standby redo transport destination.
  • D. it can only be enabled for a configuration in Maximum Availability mode.
  • E. It allows logical corruptions on the primary to be recovered by using the physical standby database.
  • F. It specifies a delay before the primary ships redo to the standby destination having DelayMins set.

Answer: BF

NEW QUESTION 12
Which statement is true regarding Oracle Net connectivity for a Data Guard Broker configuration?

  • A. To start SQL apply on a logical standby database, a TNS entry enabling connectivity to the primary database instance must be defined on the logical standby database host.
  • B. the LOCALJJSTERNER initialization parameter must be set to the listener used to register the primary database instance.
  • C. To enable Reatime Query on a physical standby database, a TNS entry enabling connectivity to the standby database instance must be defined on the primary database host.
  • D. A TNS enabling connectivity to the primary database instance must be defined on each of the standby database hosts.
  • E. A TNS entry or entries enabling connectivity to standby database instance(s) must be defined on the primary database host.

Answer: D

NEW QUESTION 13
Which four statements are true regarding SQL Apply filters for a logical standby database?

  • A. They can be used to skip execution of DML triggers on a table while allowing the DML to execute.
  • B. They can be used to skip ALTER SYSTEM and ALTER DATABASE commands
  • C. They can be used to stop SQL apply if it encounters an error.
  • D. They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).
  • E. They can only be used to skip DML statements on a table
  • F. They can be used to skip ALTER TABLE commands on a specific tables
  • G. They can be used to skip CREATE TABLE commands

Answer: ACFG

NEW QUESTION 14
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.

Answer: BCE

NEW QUESTION 15
Which three are always benefits of using a logical standby database?

  • A. it can be used for database rolling release upgrades
  • B. it can be used to replicate a single pluggable database (PDB) in a multitenant container database.
  • C. It can be used as an updatable database for Real Application testing and then converted back to a standby database without affecting the updates.
  • D. It can be used for reporting workloads requiring additional indexes or materialized views or both.
  • E. It provides a disaster-recovery solution with switchover and failover options that can recover any data updated on the primary database.
  • F. it can be used for testing patches without affecting the primary database.

Answer: CDF

NEW QUESTION 16
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

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