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Oracle 1z0-574 Exam Practice Questions (P. 4)

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Question #16
Which four components of the following list should be found in the client tier of the Logical view of the Oracle Reference Architecture User Interaction?
  1. A
    Personalization
  2. B
    Communication services
  3. C
    State management
  4. D
    Customization
  5. E
    Collaboration
  6. F
    Syndication
  7. G
    Controller
  8. H
    Rendering

Correct Answer:
BCGH
The Client Tier is hosted on the display device. As mentioned above, this may be a browser or an thick client specific to the display device.
Regardless of the choice for the Client Tier, there are standard capabilities provided by this tier in the architecture:
Controller: The Controller accepts input from the user and performs actions based on that input.
State Management: The State Management component is responsible for maintaining the current state of the user interface.
Rendering: The Rendering component is responsible for delivering a view of the interface suitable for the end user.
Communication Services: The Communication Services provide the means to access Service Tier capabilities.
Note: Security Container, Data Management and Composition can also be included here.
Reference: Oracle Reference Architecture, User Interaction, Release 3.0

Question #17
Which statement best describes the relationship between Oracle Reference Architecture (ORA) and the Oracle products?
  1. A
    ORA describes the architecture built in to the Oracle products.
  2. B
    ORA describes the architecture underlying the Oracle Fusion Applications.
  3. C
    ORA describes a product-agnostic architecture and then maps the Oracle products onto the architecture.
  4. D
    ORA describes an architecture that is exclusively based on Oracle products.

Correct Answer:
C
The Oracle Reference Architecture is Applicable to heterogeneous environments. It is independent of specific products or version.

Question #18
Interface elements are an important part of modular programming for UI. Which of the following statements is true with regard to Interface elements?
  1. A
    Interface elements are always provided as proprietary packages of widgets from device vendors and third parties.
  2. B
    There is a wide variety of interface elements that can be developed once and used repeatedly in various user-interface designs.
  3. C
    Interface elements are highly standardized and, once developed for one device, they are sufficiently portable to be reused on other devices without modification.
  4. D
    Interface elements implement application-specific functionality and are therefore rarely reusable across multiple applications.

Correct Answer:
BC
Interface element that a computer user interacts with, and is also known as a control or

Widget -
.
Examples: Windows, Pointer, Text Box, Button, Hyperlink, Drop-down list, List box, Combo box, Check Box, Radio button, Cycle button, Datagrid

Question #19
Identify the true statements in the following list.
  1. A
    The core components of the ORA UI Logical view are grouped into the client tier and the server tier.
  2. B
    The components of the ORA UI Logical view are model, view, and controller.
  3. C
    The core components of the ORA UI Logical view are grouped into the display tier and the resources tier.
  4. D
    In addition to the core components, the Logical view also includes security, communication protocols, and development tools.

Correct Answer:
AD
The Logical View of the architecture describes the various layers in the architecture.
Each layer encapsulates specific capabilities for the overall architecture. Upper layers in the architecture leverage the capabilities provided by the lower layers.
The Client Tier is hosted on the display device.
The Service Tier hosts the capabilities that satisfy the requirements of the end user.

Question #20
Where are the components of the client tier of the ORA UI logical architecture hosted?
  1. A
    on the transcoding engine
  2. B
    on the web server
  3. C
    on the display device
  4. D
    some components on the web server and some on the display device

Correct Answer:
C
The Client Tier is hosted on the display device, this may be a browser or an thick client specific to the display device

Reference: Oracle Reference Architecture, User Interaction, Release 3.0

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