Oracle 1z0-574 Exam Practice Questions (P. 3)
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Question #11
Conceptually, the ORA model of a "modern UI" defines which three layers from the following list?
- AUnified User Interface layer provides the control and visual elements that define the interaction that the user has with the system.
- BIntegration layer provides connectors to simplify and standardize Interaction with back-end -terns.
- CDevice Management layer provides transformation and transcoding to support a wide variety of devices.
- DBrowser Mediation layer adapts output to conform to the standards and capabilities of each browser type.
- EUser Interface Services layer provides reusable functions specialized to the needs of the end
- FAccess and Incorporation layer provides the capability to Incorporate data and functionality from any number of back-end systems into the user interface.
Correct Answer:
AEF
Note:
A: The Unified User Interface layer provides the control and visual elements that define the interaction the user has with the system. This layer separates the way the user interacts with the system from the underlying functionality provided by the system.
This has many advantages including allowing different display devices to be supported via control and visual elements specialized for the device since, for example, mobile devices do not have nearly the screen real estate of a desktop computer.
E: The User Interface Services layer provides a set of functionality that can be used and reused in a variety of ways to deliver various user interfaces specialized to the needs of the end user. This illustrates that the underlying functionality is separated from the visual and control elements built into the user interface. The services provided by this layer may come from a variety of sources located anywhere that is network accessible.
F: The Access and Incorporation layer provides the capability to incorporate data and functionality from any number of backend systems into the user interface.
Generally, there are two types of backend systems that need be incorporated into the user interface: systems that are designed for use with user interface (e.g.
LDAP, dedicated database) and systems that are not (e.g. legacy applications). The former type systems can be access directly by the user interface architecture. Ideally the latter type should be accessed via a robust integration architecture rather than relying on point-to-point integrations.
This distinction is the reason that the term "incorporation" is used in this Conceptual View instead of the term "integration." A suitable integration architecture is described in the ORA Service-Oriented Integration document.
Reference: Oracle Reference Architecture, User Interaction, Release 3.0
AEF
Note:
A: The Unified User Interface layer provides the control and visual elements that define the interaction the user has with the system. This layer separates the way the user interacts with the system from the underlying functionality provided by the system.
This has many advantages including allowing different display devices to be supported via control and visual elements specialized for the device since, for example, mobile devices do not have nearly the screen real estate of a desktop computer.
E: The User Interface Services layer provides a set of functionality that can be used and reused in a variety of ways to deliver various user interfaces specialized to the needs of the end user. This illustrates that the underlying functionality is separated from the visual and control elements built into the user interface. The services provided by this layer may come from a variety of sources located anywhere that is network accessible.
F: The Access and Incorporation layer provides the capability to incorporate data and functionality from any number of backend systems into the user interface.
Generally, there are two types of backend systems that need be incorporated into the user interface: systems that are designed for use with user interface (e.g.
LDAP, dedicated database) and systems that are not (e.g. legacy applications). The former type systems can be access directly by the user interface architecture. Ideally the latter type should be accessed via a robust integration architecture rather than relying on point-to-point integrations.
This distinction is the reason that the term "incorporation" is used in this Conceptual View instead of the term "integration." A suitable integration architecture is described in the ORA Service-Oriented Integration document.
Reference: Oracle Reference Architecture, User Interaction, Release 3.0
Question #12
A longer term goal of Service-Oriented Integration (SOI) is to enable composite applications that are assembled from SOA Services. Which statement best describes the relationship between composite application assembly and SOA Service engineering?
- AComposite application assembly and SOA Service engineering are separate, decoupled efforts without any meaningful Interaction.
- BAll SOA Service engineering must be completed prior to any composite application assembly.
- CComposite application assembly uses service contracts created by SOA Service engineering and generates requirements that are Inputs to SOA Service engineering.
- DSOA Service engineering creates SOA Services following sound engineering principles, while composite application assembly uses SOA Services based on
Correct Answer:
C
The Oracle Service Engineering Framework is an engineering approach for delivering projects within an SOA environment
The Service Engineering Framework addresses activities at both the program and project scope to consider the requirements of the business outside of the scope of a single project.
Topics covered at the program scope include:
* SOA Requirements Management - Provides a process for harvesting requirements in a manner that naturally facilitates service identification and discovery.
* Service Identification & Discovery - Establishes the procedures around identifying Service candidates, as well as discovering reuse candidates from the existing
Service catalog. Takes the process from identification and discovery, through the justification processes required to determine if an existing Service can be viable for reuse in the proposed manner, or if the proposed Service Candidate should be realized as a shared Service.
* Service Release Planning - Provides the groundwork necessary for planning for project and Service deliveries within an SOA
Topics covered at the project scope include:
* Service Definition -
* Service Design -
* Service Implementation - Provides the guidelines for effectively and efficiently developing shared Services.
* Service Testing -
* Service Deployment - Defines the guidelines and practices that need to be considered when deploying Services into a shared environment.
* Service OA&M -
Note:
The primary goal of service-oriented integration is to better leverage existing system within the IT environment by applying service-oriented principles. Ultimately, the goal is to enable the assembly of composite applications, with little or no custom coding, that include capabilities sourced from existing systems. Composite applications are applications that pull together data, functionality, and process from multiple existing sources to solve a business problem or create new business value.
Service-oriented integration is the mechanism to expose existing sources of data, functionality, and process so that those sources can be readily consumed by a composite application
C
The Oracle Service Engineering Framework is an engineering approach for delivering projects within an SOA environment
The Service Engineering Framework addresses activities at both the program and project scope to consider the requirements of the business outside of the scope of a single project.
Topics covered at the program scope include:
* SOA Requirements Management - Provides a process for harvesting requirements in a manner that naturally facilitates service identification and discovery.
* Service Identification & Discovery - Establishes the procedures around identifying Service candidates, as well as discovering reuse candidates from the existing
Service catalog. Takes the process from identification and discovery, through the justification processes required to determine if an existing Service can be viable for reuse in the proposed manner, or if the proposed Service Candidate should be realized as a shared Service.
* Service Release Planning - Provides the groundwork necessary for planning for project and Service deliveries within an SOA
Topics covered at the project scope include:
* Service Definition -
* Service Design -
* Service Implementation - Provides the guidelines for effectively and efficiently developing shared Services.
* Service Testing -
* Service Deployment - Defines the guidelines and practices that need to be considered when deploying Services into a shared environment.
* Service OA&M -
Note:
The primary goal of service-oriented integration is to better leverage existing system within the IT environment by applying service-oriented principles. Ultimately, the goal is to enable the assembly of composite applications, with little or no custom coding, that include capabilities sourced from existing systems. Composite applications are applications that pull together data, functionality, and process from multiple existing sources to solve a business problem or create new business value.
Service-oriented integration is the mechanism to expose existing sources of data, functionality, and process so that those sources can be readily consumed by a composite application
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