Liferay Development Best Practises Quiz

Frage 1 von 16

1

What are the standards-based technologies supported by Liferay for incorporating your own applications into a Liferay portal?

Wähle eine oder mehr der folgenden:

Portlets
IFrame
OpenSocial gadgets
Web widget
Web Parts

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Frage 2 von 16

1

Choose all the right definitions for Portlets.

Wähle eine oder mehr der folgenden:

Portlets are web components based in Java technology.
Portlet Specification 2.0 is defined in JSR-168.
A portlet is an application that provides a specific piece of content (information or
service) to be included as part of a portal page.
The lifecycle of a portlet is managed by the servlet container.
Web clients interact with portlets via a request/response paradigm implemented by the
portal.
The content generated by a portlet may vary from one user to another depending on the
user configuration for the portlet.

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Frage 3 von 16

1

Since they’re entirely self-contained, portlets are the least invasive mechanism for extending Liferay

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 4 von 16

1

Portlets are not the most forward compatible Liferay development option.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 5 von 16

1

Choose which options are not correct about Liferay Portlets.

Wähle eine oder mehr der folgenden:

Portlets are hot-deployed as plugins into Liferay instances.
The hot-deploy mechanism results in a low downtime for Liferay Portal servers.
A single Liferay Portlet Plugin can contain multiple portlets.
Liferay Portlets can not be used to build complex applications.
Liferay Portlets can leverage the full suite of technologies and libraries for the Java platform.

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Frage 6 von 16

1

Choose the possible options to reuse existing web applications in Liferay Portal

Wähle eine oder mehr der folgenden:

Create simple portlets that interact with the application (possibly using Web Services).
If the application is implemented using JSF, it can be converted to a portlet application.
Create a portlet that integrates the remote application either using an IFrame or an HTTP proxy (e.g., using Liferay’s WebProxy portlet).
Rewrite the application as a portlet.

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Frage 7 von 16

1

Thanks to the portlet and Java EE specifications, each portlet application can use its own set of libraries and technologies, whether they are used by Liferay or not.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 8 von 16

1

Ext plugins can use libraries that are not compatible with the ones used by the core Liferay code.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 9 von 16

1

Select the best options to choose a development framework from the large set available.

Wähle eine oder mehr der folgenden:

Use a framework that the development team knows.
Choose the simpler solution that covers the project real needs.
Choose Liferay's MVC Portlet framework because it's lighter.
Choose JSF framework because it's a standard.

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Frage 10 von 16

1

Liferay has its own JavaScript library called...

Wähle eine der folgenden:

AlloyUI
YUI
jQuery UI
Dojo
Sencha
Sproutcore

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Frage 11 von 16

1

Any JavaScript library can be used, as long as the library does not conflict with libraries referenced by other portlets deployed in the same portal.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 12 von 16

1

Choose the right options regarding Liferay’s Service Builder framework.

Wähle eine oder mehr der folgenden:

Liferay’s Service Builder is a code generation tool
Service Builder automates creating interfaces and classes for database persistence and service layers
Service Builder automates creating user interfaces and workflow
The business logic is implemented in the remote interface
The permission checks are implemented in the local interface
Objects on the portal instance interact with the local interface
Objects outside the portal instance interact with the remote interface via JSON, SOAP, and Java RMI

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Frage 13 von 16

1

Liferay is designed to be customized. Choose the available options for Liferay developers:

Wähle eine der folgenden:

The platform look and feel can be customized using a Theme Plugin.
You can create custom layout templates to arrange portlets using Layout Templates Plugin.
Liferay Out-of-Box functionality can be customized or extended using a Hook Plugin.
Liferay core functionality can be customized using an Ext Plugin.
All the listed options are valid for Liferay custom developments.

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Frage 14 von 16

1

Multiple plugins and plugin types can be combined into a single WAR file.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 15 von 16

1

Liferay's Look and Feel can be fully customized with a custom plugin. Choose the following true options:

Wähle eine oder mehr der folgenden:

A theme plugin can specify color schemes.
A theme plugin allows to define commonly used images and style for fonts, links, navigation elements, page headers and page footers.
To customize the look and feel the developer just have option: use CSS or Velocity templates.
In order to create user interfaces consistent with Liferay built-in functionality the developer must use JQuery UI API framework.

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Frage 16 von 16

1

Layouts specify the arrangement of portlets on a page rather than their look and feel. You can create custom layout templates to arrange portlets just the way you like them.

Wähle eins der folgenden:

WAHR
FALSCH

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Liferay Portal is a platform based on standards that allows plenty of options to develop Web Portal projects. As a Liferay developer, it's very useful to be aware of the Liferay development best practises and available options.

Liferay Development Best Practises Quiz

Frage 1 von 16

What are the standards-based technologies supported by Liferay for incorporating your own applications into a Liferay portal?

Wähle eine oder mehr der folgenden:

Erklärung

Frage 2 von 16

Choose all the right definitions for Portlets.

Wähle eine oder mehr der folgenden:

Erklärung

Frage 3 von 16

Since they’re entirely self-contained, portlets are the least invasive mechanism for extending Liferay

Wähle eins der folgenden:

Erklärung

Frage 4 von 16

Portlets are not the most forward compatible Liferay development option.

Wähle eins der folgenden:

Erklärung

Frage 5 von 16

Choose which options are not correct about Liferay Portlets.

Wähle eine oder mehr der folgenden:

Erklärung

Frage 6 von 16

Choose the possible options to reuse existing web applications in Liferay Portal

Wähle eine oder mehr der folgenden:

Erklärung

Frage 7 von 16

Thanks to the portlet and Java EE specifications, each portlet application can use its own set of libraries and technologies, whether they are used by Liferay or not.

Wähle eins der folgenden:

Erklärung

Frage 8 von 16

Ext plugins can use libraries that are not compatible with the ones used by the core Liferay code.

Wähle eins der folgenden:

Erklärung

Frage 9 von 16

Select the best options to choose a development framework from the large set available.

Wähle eine oder mehr der folgenden:

Erklärung

Frage 10 von 16

Liferay has its own JavaScript library called...

Wähle eine der folgenden:

Erklärung

Frage 11 von 16

Any JavaScript library can be used, as long as the library does not conflict with libraries referenced by other portlets deployed in the same portal.

Wähle eins der folgenden:

Erklärung

Frage 12 von 16

Choose the right options regarding Liferay’s Service Builder framework.

Wähle eine oder mehr der folgenden:

Erklärung

Frage 13 von 16

Liferay is designed to be customized. Choose the available options for Liferay developers:

Wähle eine der folgenden:

Erklärung

Frage 14 von 16

Multiple plugins and plugin types can be combined into a single WAR file.

Wähle eins der folgenden:

Erklärung

Frage 15 von 16

Liferay's Look and Feel can be fully customized with a custom plugin. Choose the following true options:

Wähle eine oder mehr der folgenden:

Erklärung

Frage 16 von 16

Layouts specify the arrangement of portlets on a page rather than their look and feel. You can create custom layout templates to arrange portlets just the way you like them.

Wähle eins der folgenden:

Erklärung