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Oracle 1z0-076 - Oracle Database 19c: Data Guard Administration

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Total 107 questions

You created two remote physical standby databases using SQL and RMAN.

The primary database is a four-instance RAC database and each physical standby database has two instances.

Roles-based services are used for client connectivity and have been defined in the Grid Infrastructure.

Consider these operational requirements:

• The ability to manage multiple standby databases with a single tool

• The simplification of switchovers, failovers, reinstatements, and conversions to and from snapshot standby databases

• The automation of failovers to a specified target standby database

Which TWO tools can be used to fulfill these requirements7

A.

RMAN

B.

SQL*Plus

C.

CRSCTL

D.

Enterprise Manager Cloud Control

E.

DGMGRL

F.

SRVCTL

G.

GDCCTL

Your expertise is requested for these customer requirements:

    The Data Guard environment must be in maximum protection mode.

    Reports must be offloaded to a physical standby database.

    There must be no lag between the primary and standby databases that affect the reports produced.

    The primary database must be resilient in case of a single network failure.

Which solution is correct for these requirements?

A.

Two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport

B.

Two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with asynchronous transport

C.

One physical standby database with Real-Time Query enabled, receiving redo from two Far Sync instances that are connected to the primary

D.

One physical standby database with Real-Time Query enabled and STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport

E.

Two physical standby databases with Real-Time Query enabled, receiving redo from the primary with the LOG_ARCHIVE_DEST_n attributes SYNC NOAFFIRM to minimize the performance impact on the primary

Your Data Guard environment consists of these components and settings:

A primary database supporting an OLTP workload

A remote physical standby database

Real-time query is enabled

The redo transport mode is set to SYNC

The protection mode is set to Maximum Availability

Which two statements are true regarding the DelayMins database property for the standby database?

A.

It can only be enabled for a configuration in Maximum Availability mode.

B.

It allows user errors on the primary to be recovered by using the physical standby database.

C.

It can only be enabled for a configuration in Maximum Performance mode.

D.

It specifies a delay before the primary ships redo to the standby destination having DelayMins set.

E.

It allows logical corruptions on the primary to be recovered by using the physical standby database.

F.

It enables you to bypass the default network timeout interval specified for the standby redo transport destination.

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 CREATE TABLE commands.

C.

They can be used to skip ALTE1 STEM and ALTER DATABASE commands.

D.

They can only be used to skip DML statements on a table.

E.

They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).

F.

They can be used to stop SQL apply if it encounters an error.

G.

They can be used to skip ALTER TABLE commands on specific tables.

A Data Guard environment has this configuration and these attributes:

    The primary database prima is in the local region.

    A physical standby database physt1 is in the local region.

    A physical standby database physt2 is in a remote region.

    The primary ships redo to physt1.

    physt1 ships redo to physt2.

    physt1 and physt2 have Real-Time Query enabled.

A sequence has been created with this SQL statement in the primary database:

CREATE SEQUENCE a NOCACHE SESSION;

Which TWO statements are TRUE?

A.

The sequence is usable on physt1 and physt2.

B.

The sequence is usable on physt2 if physt1 becomes unavailable, but only if an alternate redo destination has been configured on the primary database.

C.

physt2 will no longer receive redo if physt1 becomes unavailable, unless LOG_ARCHIVE_DEST_n has the ALTERNATE attribute specified on the primary database.

D.

physt2 will no longer receive redo if physt1 becomes unavailable, unless LOG_ARCHIVE_DEST_n has the ALTERNATE attribute specified on physt1.

E.

The sequence is usable on physt1 but not usable on physt2.

You must design an Oracle Data Guard configuration for a DSS database that meets these permanent

requirements:

1. Creating and maintaining bitmap indexes should not impact the performance of the primary database.

2. Creating and maintaining materialized views should not impact the performance of the primary database.

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 of databases?

A.

a primary database with one logical standby database

B.

a primary database with two logical standby databases

C.

a primary database with one physical standby database

D.

a primary database with two physical standby databases

E.

A primary database with one logical and one physical standby database

A customer has these requirements for their proposed Data Guard implementation:

1. Zero data loss must still be guaranteed through the loss of any one configuration component.

2. The primary database must be protected against a regional disaster.

3. Performance overheads on the primary should be minimized as much as possible given these requirements.

4. Downtime on the primary database for any reason must be kept to a minimum.

Components referred to in the broker commands are:

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Which FOUR database parameters might be affected by or influence the creation of standby databases?

A.

DB_NAME

B.

ARCHIVE_LAG_TARGET

C.

db_file_name_convert

D.

COMPATIBLE

E.

FALSERVER

F.

STANDBY_ARCHIVE_DEST

Which THREE steps are prerequisites for the creation of a physical standby database on a separate server using the RMAN active database duplication method?

A.

Configure Oracle Net connectivity on the primary host to the standby database instance.

B.

Establish user equivalence for the database software owner between the primary host and standby host.

C.

startup nomount the standby database instance.

D.

Set the DB_UNIQUE_NAME parameter on the primary database to a different value than that of the DB_NAME name parameter.

E.

Put the primary database into archivelog mode.

There are currently 6 applief. and 6 pfepafef processes running and no idle applier processes on y logical standby database.

The max_SERVERS SQL apply parameter and number of archiver processes are both set to 12.

Identify two changes, each of which would allow you to increase the number of applier processes.

A.

Decrease the number of archiver processes on the standby database.

B.

Increase the processes initialization parameter. D Decrease the number of FREPARER processes.

C.

Increase the value for the MAX_SERVERS SQL apply parameter.

D.

Increase the parallel_max_server initialization parameter.

E.

Increase the RECOVERY_PARALLEL initialization parameter.