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Quiz on Prueba examen, created by prueba prueba on 08/09/2016.
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Quiz by prueba prueba, updated more than 1 year ago
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Created by prueba prueba about 10 years ago
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Resource summary

Question 1

Question
The method to define a column in a layout template is
Answer
  • $layout.createColumn()
  • $layout.defineColumn()
  • $processor.processColumn()
  • $layout.addColumn()

Question 2

Question
The JavaScript method that executes after all the portlets on the page have finished loading is:
Answer
  • Liferay.Portlet.ready(fn)
  • AUI().ready(fn)
  • Liferay.on('allPortletsReady',fn)
  • None of the above

Question 3

Question
A JSR-286 standard portlet extends
Answer
  • LiferayPortlet
  • MVCPortlet
  • GenericPortlet
  • StrutsPortlet
  • Any Java class

Question 4

Question
Thecompanyld" is a(n)
Answer
  • Portal instance
  • Organization
  • Site
  • Team

Question 5

Question
Site administrators would like to search for web content based on the review date. The review date is not currently indexed when web content is published. The recommended way to add the review date to the search index is to:
Answer
  • Create an Ext plugin and overwrite the Journal indexer to index the review date
  • Create a hook plugin and override the Journal service to index the review date
  • Create a hook plugin and override the edit article Struts action to index the review date
  • Create a hook plugin and implement an indexer post processor to index the review date

Question 6

Question
The recommended way to add new functionality in Liferay is to
Answer
  • Create Ext plugins
  • Createportlet, theme, layout template or hook plugins
  • Modify Liferay's source code directly
  • All of the above

Question 7

Question
Instanceable portlets: (Please select all correct answers.)
Answer
  • Have unique preferences perportlet
  • Can be added to a page multiple times
  • Share the same data within the same site
  • Can be displayed in the Control Panel
  • Share the same data on the same page

Question 8

Question
To generate remote services with Service Builder
Answer
  • Pass the switch "-Dremote-service=true" to the Ant "build-service" target
  • Set the attribute "remote-service'' to "true" on the "entity" element in service,xml
  • Set the attribute "remote-service" to "true" on the "service-builder" element in service.xml
  • All of the above

Question 9

Question
The method to embed the non-instanceable Language portlet with the name "82" in a theme is
Answer
  • $theme.include("82")
  • $theme.runtime("82")
  • $theme.runtime("82_INSTANCE_abcl23")
  • $theme.include("82_INSTANCE_abcl23")

Question 10

Question
The method to embed a portlet in a layout template is:
Answer
  • $layout.addPortlet()
  • $processor.processPortlet()
  • $layoutembedPortlet()
  • $layout. process PortIet()

Question 11

Question
Portlet events are distributed to portlets on different pages by setting the property:
Answer
  • portlet.event.distribution=all-pages
  • event.distribution =all-pages
  • portlet.event.distribution=layout-set
  • No specific property setting is required

Question 12

Question
In a JSP that includes the <liferay-theme: defineObjects /> tag, the method to check permissions is:
Answer
  • permissionChecker.hasPermissionO
  • portalUtil.getPermissionChecker().hasPermission()
  • permissionUtil.hasPermission()
  • renderRequest.getPermissionChecker().hasPermission()

Question 13

Question
The portlet lifecycle includes the methods: (Please select all correct answers.)
Answer
  • destroy ()
  • processEvent()
  • service()
  • render()
  • serveResource()
  • processAction()

Question 14

Question
The recommended way to turn off portlet borders in a custom theme is to:
Answer
  • Modifyportlet.vm to hide theportletborders
  • Set the theme setting "portlet-setup-show-borders" to "false"
  • Create a JSP hook that overrides port!et_wrapper.jsp to hide theportletborders
  • Set the portal property "portlet.setup.show.borders" tofalse"

Question 15

Question
An Ext plugin should be used to
Answer
  • Create aportlet
  • Create a theme
  • Overwrite a portal JSP file
  • Create a servlet filter
  • Modify coreportletdeployment descriptors
  • Create a web service

Question 16

Question
The recommended way to create new methods in a core service is to use a service wrapper hook.
Answer
  • True
  • False

Question 17

Question
The recommended way to implement a new SSO solution that captures the SSO header is to:
Answer
  • Create an Ext plugin that adds a sen/let filter to capture the SSO header
  • Create a hook plugin that implements a servlet filter to capture the SSO header
  • Modify the portal source code and create an SSO servlet filter in the portal to capture the SSO header
  • Create a hook plugin to override the Struts action for the Loginportletto capture the SSO header

Question 18

Question
Service Builder is able to: (Please select all correct answers.)
Answer
  • Generate Hibernate configuration files
  • Generate base implementations of models, services, persistence and basic finders
  • Generate struts-config.xml and tiles-defs.xml
  • Generate web services

Question 19

Question
A hook plugin can extend and override: (Please select all correct answers.)
Answer
  • Core portal Struts actions
  • CoreportletStruts actions
  • Portletplugin Struts actions
  • Layout template Struts actions

Question 20

Question
Given the service.xml: <entity name="AcmeItem" local-service = "true'' remote-service="false"> <column name= "acmeltemld" type= "long' primary= "true" /> <column name= groupld" type="long" /> </entity> The generated classes include: (Please select all correct answers.)
Answer
  • AcmeltemServiceUtil
  • AcmeltemModel
  • AcmeltemLocalServiceUtil
  • AcmeltemJSONSerializer
  • AcmeltemPersistencelmpI

Question 21

Question
The hooks that can import classes from the plugin class loader are: (Please select all correct answers.)
Answer
  • Auto login hooks
  • JSP hooks
  • Service wrapper hooks
  • Servlet filter hooks
  • Struts action hooks
  • indexer post processor hooks

Question 22

Question
When adding new users to Liferay, the form will display the Details, Organizations and Personal Site sections based on the following property in portal.properties: users.form.add.main =detaiIs,organizations,personal-site The "users.form.add.main" property is listed in the liferay-hook_6_l_0.dtd as a portal property that can be overridden with a hook. Deploying a hook with the following property in the portal.properties file will remove the Personal Site section: users.form.add.main =details,organizations
Answer
  • True
  • False

Question 23

Question
Hook plugins can only override core JSPs, services, language keys and Struts actions
Answer
  • True
  • False

Question 24

Question
An Expando is
Answer
  • A tool for writing newportlets in Liferay
  • A code generator which generates services based on service.xml
  • A service in Liferay which allows you to dynamically define a collection of data
  • A new administrative interface in 6.1

Question 25

Question
The recommended way to implement code that only runs once to modify columns in the database is with a(n):
Answer
  • GlobalStartupAction
  • ServicePreAction
  • UpgradeProcess
  • ServicePostAction
  • VerifyProcess
  • GlobalShutdownAction

Question 26

Question
The bundled property file that contains settings for a development environment is
Answer
  • portal-ext. properties
  • portal-developer, properties
  • developer, properties
  • None of the above

Question 27

Question
Only an Ext plugin can
Answer
  • Override language keys
  • Modify the initialization parameters of a coreportlet
  • Create a model listener
  • Override a JSP
  • Override Liferay services

Question 28

Question
To customize the User service in a hook plugin, create a class that extends
Answer
  • UserServicelmpI
  • UserServiceBaseImpI
  • UserService
  • UserServiceWrapper

Question 29

Question
The recommended way to override multiple JSPs in the Documents and Media portlet is to
Answer
  • Create a separate hook plug in for each JSP
  • Create an Ext plugin
  • Create a hook plugin that contains all the JSPs
  • Copy them directly into Liferay

Question 30

Question
Default rankings in the Message Boards portlet are set as portlet preferences. To make all new instances of the portlet display custom rankings, it is recommended to
Answer
  • Navigate to System Defaults in the Control Panel and update theportletpreferences
  • Create a hook plugin that modifies the defaultmessage.board.ranks portal property
  • Create an Ext plugin that contains the desired configuration inportlet-ext.xml
  • Create a JSP hook that overrides the rankings for all instances of the Message Boardsportlet

Question 31

Question
The method to send a redirect response and prevent resubmitting a form when a user refreshes the page is
Answer
  • clearRequ estPara mete rs ()
  • removeDuplicates()
  • removeParameters()
  • send Red irect()

Question 32

Question
If multiple Ext plugins modify struts-config-ext.xml:
Answer
  • Liferay merges all of the plugins into one plugin and deploys the combined plugin
  • Liferay only deploys the first plugin that modifies struts-config-ext.xml and does not deploy subsequent plugins
  • The last plugin deployed takes precedence
  • All of the plugins deploy successfully

Question 33

Question
Methods for retrieving the current users ID include: (Please select all correct answers.)
Answer
  • ThemeDisplay.getUserId()
  • PortaIUtil.getUserld(renderRequest)
  • request.getRemoteUser()
  • Liferay.getUserld(renderRequest)
  • Page.getUserld()

Question 34

Question
Developing for Liferay requires
Answer
  • IntelliJ
  • Eclipse
  • NetBeans
  • Liferay Developer Studio
  • None of the above

Question 35

Question
The <liferay-ui: icon-menu> tag is used to
Answer
  • Display a list of actions
  • Display navigation
  • Display a list of breadcrumbs
  • Display categories

Question 36

Question
Portlets are placed in the Control Panel using
Answer
  • portlet.xml
  • liferay-portlet.xml
  • liferay-plugin-package.properties
  • liferay-look-and-feel.xml

Question 37

Question
The recommended way to validate a user against an external system when adding a user through the UI or a web service is to
Answer
  • Create a hook plug in to add a model listener to the User object
  • Create a service wrapper hook that modifies the User service
  • Create a Struts action hook to perform validation when the user form is submitted
  • Create an Ext plugin to modify the core Spring configuration to override the User service

Question 38

Question
All Service Builder entities contain a local reference to: (Please select all correct answers.)
Answer
  • CounterLocaIService
  • AssetLocaIService
  • ResourceLocalService
  • SocialLocalService
  • WorkflowLocaISe rvice

Question 39

Question
An administrator would like to add a new travel preferences section in the Miscellaneous section of the user form. The travel preferences are stored as custom fields. The recommended way to implement the solution using a hook plugin is to: (Please select all correct answers.)
Answer
  • Modify html/portlet/users_admin/edit_user.jsp to add the travel preferences section to theMiscellaneous section
  • Set the portal property "users.form. my.account, miscellaneous"to "travel-preferences" and add the corresponding JSP
  • Create a Struts action hook to persist the Expando value to the database
  • Add the custom fields to the relevant JSP using <liferay-ui;custom-attribute>

Question 40

Question
A class that extends MVCPortlet must implement
Answer
  • init()
  • doView()
  • doEdit()
  • processAction()
  • All of the above
  • None of the above

Question 41

Question
The JavaScript method that executes after each portlet on the page loads is
Answer
  • AUI().ready(fn)
  • Liferay.Portlet.ready(fn)
  • Liferay.on(allPortletsReady', fn)
  • None of the above

Question 42

Question
When a hook plugin overrides the language keys for the locale "en_US" the text presented for the locale comes from:
Answer
  • The core Language.properties
  • The plugin Language.properties
  • The plugin Language_en.properties, then the core Language.properties
  • The plugin Language_en.properties, then the core Language_en.properties

Question 43

Question
The method to retrieve an integer submitted as a form field named "widgetCount"' is:
Answer
  • GetterUtil.getInteger(actionRequest, "widgetCount")
  • RequestUtiI.getInteger(actionRequest,"widgetCount )
  • HTMLUtil.getInteger(actionRequest, "widgetCount")
  • ParamUtil.getInteger(actionRequest, "widgetCount")
  • FormUtil.getInteger(actionRequest, "widgetCount")
  • AlloyUtil.getInteger(actionRequest, "widgetCount")

Question 44

Question
The Ant target that removes compiled class files from the plugin is
Answer
  • obliterate
  • destroy
  • remove
  • clean
  • reset
  • terminate

Question 45

Question
Customizations to a theme are made in the folder
Answer
  • _unstyled
  • .styled
  • themes
  • _diffs
  • custom

Question 46

Question
The method to retrieve a list of users added directly to an organization is
Answer
  • OrganizationLocalServiceUtil.getOrganizationUsers()
  • UserLocalServiceUtil.getOrganizationUsers()
  • GroupLocalServiceUtil.getOrganizationUsers()
  • All of the above

Question 47

Question
To remove some of the core portlets from the Add Application menu and add them in the Control Panel
Answer
  • Create a hook plugin that modifies the portal properties default.control.panel.portlets and default.add .application.portlets
  • Create an Ext plugin that modifies liferay-plugin-package.xml and liferay-display.xml
  • Create an Ext plugin that modifies liferay-portlet-ext.xml and liferay-display.xml
  • Create an Ext plugin that modifies liferay-look-and-feel.xml

Question 48

Question
All render logic must be implemented in the JSP when using MVCPortlet
Answer
  • True
  • False

Question 49

Question
The descriptor liferay-display.xml
Answer
  • Defines the initial views for the portlet
  • Defines the categories in the Add Application menu
  • Provides the ability to use Liferay's permission system
  • All of the above

Question 50

Question
To display the language key "add-part'' use
Answer
  • <liferay-ui:locale key= "add-part" />
  • <liferay-ui:language key= "add-part" />
  • <liferay-ui;message key = "add-part" /
  • <aui-ui:message key ="add-part" />

Question 51

Question
Default RSS feeds are set as portlet preferences. To make all new instances of the RSS poitlet display a single custom RSS feed, it is recommended to
Answer
  • Create a hook plugin to add a model listener to the layout to update the portlet preferences of any RSS portlet added to the page
  • Create an Ext plugin that contains the desired configuration in portlet-ext.xml
  • Create a JSP hook that overrides the RSS portlet's default configuration settings
  • Navigate to System Defaults in the Control Panel and update the portlet preferences

Question 52

Question
ThemeDisplay.getUserId() returns a value of -1 for the Guest user.
Answer
  • True
  • False

Question 53

Question
To allow more than one instance of a portlet on the same page setinstanceabletotrue" in
Answer
  • liferay-portlet.xml
  • liferay-display.xml
  • liferay-plugin-package.xml
  • liferay-layout-template.xml
  • portlet.xml
  • web.xml

Question 54

Question
The business logic for UserLocalServiceUtil is found in
Answer
  • Use rLocaIServiceUtil
  • UserLocalServicelmp
  • Use rLocalService
  • UserServicelmpI
  • UserServiceUtil

Question 55

Question
Portlets that extend MVCPortlet require annotations on action methods.
Answer
  • True
  • False

Question 56

Question
A hook plugin can be used to: (Please select all correct answers.)
Answer
  • Modify a portal language key
  • Modify a theme plugin
  • Override a portal JSP
  • Override the User service
  • Override PortalLDAPUtil

Question 57

Question
The recommended way to strip content from the outgoing response is to:
Answer
  • Create a hook plugin that implements a service post action to strip content from the response
  • Create an Ext plugin that implements a servlet filter to strip content from the response
  • Create a hook plugin that implements a servlet filter to strip content from the response
  • Create a hook that implements a request post processor to strip content from the response

Question 58

Question
To customize the default success message displayed by MVCPortlet
Answer
  • Add a custom key to the SessionMessages object
  • Override the language key default-success-message in Language.properties
  • Provide a <default-message-mapping> entry in liferay-portlet.xml
  • Pass a parameter called 'success'' in the ActionURL and map it to a custom language key

Question 59

Question
The recommended way to cleanly redeploy an Ext plugin is to
Answer
  • Remove the plugin WAR file from the server and redeploy
  • Set ext.redeploy .enabled to''true''
  • Remove the ext-plugin-[nameof plugin],xml file in the deployed Liferay application and redeploy
  • Start from a clean instance of the server and redeploy

Question 60

Question
Supported plugin types in the Plugins SDK include: (Please select all correct answers.)
Answer
  • AlloyUI plugins
  • Ext plugins
  • Hook plugins
  • Web plugins
  • Layout template plugins
  • Portlet plugins

Question 61

Question
Objects stored in the portlet application scope session are available to
Answer
  • Any portlet on the same page
  • Any portlet in the same portlet application
  • Any portlet within the portal applicatio
  • Only the portlet that stored the object in the session

Question 62

Question
To start Liferay with developer properties
Answer
  • Set the porta I.developer, mode property in portal-ext.properties to ''true
  • Include portal-developer.properties during Java startup, or in portal-ext.properties
  • Navigate to Server Administration in the Control Panel and set the portal.developer.mode property to "true"
  • Copy portal-developer.properties from the portal's classes directory to the Liferay home directory and restart the server

Question 63

Question
The method to get the value of a custom field for a User object named "user" is:
Answer
  • ExpandoLocalServiceUtil.getAttribute(user)
  • user.getExpandoBridge().getAttribute()
  • user.getExpando()
  • PortalUtil.getExpando(user)

Question 64

Question
In portal.properties: login,events.post=\ com.liferay.portal.events.ChannelLoginPostActionA,\ com.liferay.portal.events.Defaultl_andingPageAction,\ com.liferay.portal.events.LoginPostAction A hook plugin can insert a new class between DefaultLandingPageAction and LoginPostAction
Answer
  • True
  • False

Question 65

Question
The descriptor liferay-portlet.xml:
Answer
  • Defines Liferay-specific portlet features
  • Defines the categories of the Add Application menu
  • Identifies portlets that only run onLiferay
  • All of the above

Question 66

Question
Not all of the fields in the User object are searchable out of the box. The recommended way to make these fields searchable is to
Answer
  • Create a hook plugin that overrides the User service to index the required fields
  • Create a hook plugin that overrides the edit user Struts action to index the required fields
  • Create an Ext plugin that extends the User indexer to index the required fields
  • Create a hook plugin that implements an indexer post processor to index the required fields

Question 67

Question
Events supported by JSR-286 portlets for interportlet communication are: (Please select all correct answers.)
Answer
  • Publishing events
  • Processing events
  • Global events
  • Lifecycle events

Question 68

Question
The recommended way to display a web content article in a theme
Answer
  • Use the AssetEntry service in portal_normal.vm to get the desired article
  • Embed the Web Content Display portlet, passing in the desired article ID to the portlet URL
  • Embed the Web Content Display portlet, passing in portlet preferences set to the desired article
  • Create a JSP hook that gets the desired article from the JournalArticle service

Question 69

Question
After removing a customization from an Ext plugin, the recommended way to redeploy in a development environment is to
Answer
  • Redeploy the plugin and restart the server
  • Undeploy the original plugin and deploy the updated plugin
  • Start with a clean instance of the server and deploy all plugins
  • Redeploy all plugins and restart the server

Question 70

Question
The following statements about plugins are true: (Please select all correct answers.)
Answer
  • All plugins are hot-deployable
  • Plugins can be used to modify core portal behavior
  • Plugins can be used to modify the layout of a page
  • Liferay supports six different types of plugins
  • Plugins are the preferred development approach

Question 71

Question
The "companyId" is a(n):
Answer
  • Portal instance
  • Organization
  • Site
  • Team

Question 72

Question
Creating a Struts action hook requires the following elements in liferay-hook.xml: (Please select all correct answers)
Answer
  • <struts-hook>
  • <struts-action-path >
  • <struts-action-impl>
  • <override-struts-path>
  • <struts-action >

Question 73

Question
The Plugins SDK uses
Answer
  • portal-service.jar
  • JAR files from the user's home directory
  • portal-impl.jar
  • portal-plugin.jar

Question 74

Question
The descriptor liferay-hook.xml defines the location to override a core JSP using
Answer
  • <url-pattern>
  • <custom-jsp-global>
  • <custom-jsp-dir>
  • <jsp-override>
  • <include-and-override>

Question 75

Question
To map a Service Builder entity to an existing database table in service.xml the entity name must match the database table name
Answer
  • True
  • False

Question 76

Question
In portal.properties, the following property lists portlets that can be embedded on any page: portlet.add(default.resource.check.whitelist=3,56_INSTANCE_0000,5S,S2,S6,87,88/103,113,145, 164, The property is listed in liferay-hook_6_l_0.dtd as a property that can can be overridden with a hook. The recommended way to prevent embedding the Search portlet ("3") is to create a hook plugin
Answer
  • True
  • False

Question 77

Question
The location of the XML file that determines permissions for a portlet plugin is configured by
Answer
  • The VM argument "resource-actions-configs"
  • The portlet property "resource.actions.configs"
  • The init parameter "resource-actions-configs"
  • A portal property "plugin.resource.actions.configs"

Question 78

Question
AlloyUI is
Answer
  • A JavaScript library
  • A CSS framework
  • A tag library
  • All of the above

Question 79

Question
The JavaScript method that executes as soon as the HTML document has finished loading is
Answer
  • AUI().ready(fn)
  • Liferay.Portlet.ready(fn)
  • Liferay.on(fn)
  • None of the above

Question 80

Question
Advantages of hook plugins over Ext plugins include: (Please select all correct answers.)
Answer
  • A hook plugin is hot deployable, while an Ext plugin is not
  • A hook plugin has direct access to the portal class loader, while an Ext plugin does not
  • A hook plugin provides an easier upgrade path for overriding core services and JSPs
  • A hook plugin can modify service layer classes, while an Ext plugin cannot

Question 81

Question
The recommended way to add a custom class to Liferay's startup process is to
Answer
  • Create a portal-ext.properties file in the Liferay Home directory that adds the custom class to global.startup.events, and add the custom class to the deployed Liferay application
  • Create an Ext plugin that replaces the value of global.startup.events with the custom class, and add the custom class to the plugin
  • Create a portal-ext.properties file in the Liferay Home directory that replaces the value of global.startup.events with the custom class, and add the custom class to portal-impl.jar
  • Create an Ext plugin that adds the custom class to global.startup.events, and add the custom class to the plugin

Question 82

Question
Tables are created in the database for a Service Builder entity after
Answer
  • The Ant "build-service" target has run
  • The portlet is deployed for the first time
  • The portlet is added to a page for the first time
  • Tables must be created manually

Question 83

Question
After a portlet completes the action phase
Answer
  • Only that portlet enters the render phase
  • All portlets on the page enter the render phase
  • Any portlet whose data has changed enters the render phase
  • Nothing happens since the render phase occurs before the action phase

Question 84

Question
When embeddding a plugin portlet in a layout template with $processor.processPortlet() use the
Answer
  • Portlet name
  • Fully qualified portlet ID
  • Portlet URL
  • Fully qualified display name

Question 85

Question
The following code: GetterUtil.getlnteger("one") returns
Answer
  • 0
  • 1
  • The code throws a java.lang.ArithmeticException
  • The code throws a com.liferay.portal.kernel.exception.SystemException

Question 86

Question
The method to get theme settings in a theme is
Answer
  • $portalUtil.getSetting()
  • $theme.getSetting(
  • $layout.getSetting(
  • $themeDisplay.getSetting()

Question 87

Question
The recommended way to customize how the User object indexes information is through a(n):
Answer
  • Hook plugin
  • Direct modification of the portal source
  • Ext plugin
  • Ext environment

Question 88

Question
The recommended way to implement a service wrapper hook that customizes the authenticateByScreenName() method of the User service using a class called com.sample.MyUserLocalServicelmpI is to: (Please select all correct answers.)
Answer
  • Add the following to liferay-hook.xml: <service> <service-type>com.liferay.portal.service.UserLocalService</service-type> <service-impl>com.sample.MyUserLocalServiceImpl</service-impl> </service>
  • Copy all of the methods from UserLocalServicelmpI to MyUserLocalServicelmpI
  • Override the authenticateByScreenName() method in MyUserLocalServicelmpI
  • Add the following to liferay-plugin-package.properties:required -deploymentcontexts=UserLocalServ ice
  • Implement custom logic and call super.authenticateByScreenNameQ if applicable

Question 89

Question
Service Builder entities are defined in
Answer
  • portlet.xml
  • liferay-portlet.xml
  • service, xml
  • web.xml

Question 90

Question
MVCPortlet directs page flow using:
Answer
  • The controller() method
  • A render parameter called "mvcPath"
  • A direct link to the JSP with a relative URL
  • A public render parameter called "path"

Question 91

Question
The following classes can be imported when overriding a core JSP using a hook plugin: (Please select all correct answers.)
Answer
  • Classes residing in the global class loader
  • Classes residing in the portal class loader
  • Classes residing in the portlet plugin class loader
  • Classes residing in the hook plugin class loader

Question 92

Question
User-specific properties in the Plugins SDK for the user "jsmith'' are configured in
Answer
  • build.jsmith.properties
  • pom.xml
  • pom.jsmith.properties
  • portal.settings
  • portal.properties
  • portal-ext.properties

Question 93

Question
The permissionChecker.hasPermission() method requires the following parameters to determine if a user has the permissions to update a resource: (Please select all correct answers.)
Answer
  • Group ID
  • User ID
  • Action ID
  • Company ID
  • Resource primary key
  • Resource name

Question 94

Question
Liferay's core remote services: (Please select all correct answers.)
Answer
  • Can only return primitive types
  • Perform permission checking
  • Must be invoked through web services
  • Are accessed through Java or web services

Question 95

Question
Language hooks cannot be used to add new language keys
Answer
  • True
  • False

Question 96

Question
Liferay's persistence layer: (Please select all correct answers.)
Answer
  • Relies on Enterprise JavaBeans to ensure compatibility with all major application servers
  • Uses Hibernate by default to ensure compatibility with all major database servers
  • Can be invoked directly from the UI layer
  • Can be configured to use JPA

Question 97

Question
To define portlet actions in separate classes using MVCPortlet: (Please select all correct answers.)
Answer
  • Each class must implement the MVCAction interface
  • Each class must implement the ActionCommand interface
  • Each class must implement a processCommand() method that returns a boolean to indicate if the action completed
  • Each class must implement a renderCommand() method

Question 98

Question
A Liferay utility to verify the format of an email address is
Answer
  • Validator.isEmailAddress()
  • HTMLUtil.isEmailAddress()
  • StringUtil.isEmailAddress()
  • Corrector.isEmailAddress()
  • GetterUtil.isEmailAddress()
  • ParamUtil.isEmailAddress()

Question 99

Question
The portal properties that a hook plugin can override are defined in
Answer
  • portal.properties
  • portal-ext.properties
  • Iiferay-hook_6_l_0.dtd
  • liferay-hook.xml
  • portal-hook.properties
  • portal-hook_6_l_0.dtd

Question 100

Question
The file containing the HTML document for a typical page is
Answer
  • portal.vm
  • portal_normal.vm
  • liferay-portal.vm
  • init.vm

Question 101

Question
The standard JSR-286 portlet modes are: (Please select all correct answers.)
Answer
  • Help
  • Configuration
  • Print
  • Edit
  • View
  • About

Question 102

Question
The recommended way to automatically add tags when creating web content is to
Answer
  • Create a model listener in a hook plugin and implement the onAfterCreate() method
  • Create a model listener in a hook plugin and implement the onBeforeCreate() method
  • Create an Ext plugin to extend and override JournalArticleLocalServicelmpI
  • Create a hook plugin and use a service wrapper to extend JournalArticleLocalService

Question 103

Question
To display a success message in a JSP use:
Answer
  • <liferay-ui:success message="part-deleted-successfully" />
  • <liferay-ui:success key= "part-deleted-successfully" />
  • <alloy-ui:success key="part-deleted'' message="part-deleted-successfully" />
  • <liferay-ui:success key= "part-deleted" message="part-deleted-successfully" />

Question 104

Question
A portlet application only needs the standard web.xml deployment descriptor to be considered valid.
Answer
  • True
  • False

Question 105

Question
The method to retrieve a list of organizations where a user has direct membership is
Answer
  • OrganizationLocalServiceUtil.getUserOrganizations()
  • UserLocaIServiceUtil.getUserOrganizations()
  • GroupLocalServiceUtil.getUserOrganizations()
  • All of the above

Question 106

Question
The recommended way to share language keys across portlet applications is
Answer
  • Create a resource bundle in one portlet and declare a dependency in the other portlets
  • Create an Ext plugin with the language keys from all of the portlets
  • Create a symbolic link in the portlets pointing to an external resource bundle
  • Create a hook plugin containing language keys from all of the portlets

Question 107

Question
The best way to add a new language key to the portal is through
Answer
  • The Control Panel
  • A hook plugin
  • An Ext plugin
  • Modifying Liferay's source

Question 108

Question
The recommended way to add support for a new locale is to
Answer
  • Create an Ext plugin that adds a language properties file for the desired locale
  • Create an Ext plugin that adds a language properties file for the desired locale and implements a servlet filter mapping using IlSnFilter
  • Create a hook plugin that adds a language properties file for the desired locale and implements a servlet filter hook to invoke IlSnFilter through PortalClassLoaderFilter
  • Create a portlet plugin that overrides the core language filter to recognize the desired locale

Question 109

Question
The settings in portal-developer.properties
Answer
  • Enable faster deployment of plugins
  • Disable minification of CSS and JavaScript
  • Assist deployment from a development to a production environment
  • Precompile Velocity and FreeMarker templates

Question 110

Question
Portlets can use interportletcommunication to: (Please select all correct answers.)
Answer
  • Pass any serializable object as an event payload
  • Trigger multiple events
  • Invoke events directly from the render phase
  • Enforce the processing order of events

Question 111

Question
The recommended way to make an isolated change to a core JSP is to
Answer
  • Create an Ext plugin to create a backup of the original JSP and extend the backup JSP
  • Create a hook plugin to override the original JSP using the <liferay-util:buffer> tag to copy the contents of the JSP
  • Create a hook plugin to override the original JSP using the <file-name>-override.jsp pattern
  • Create an Ext plugin to override the original JSP using the <liferay-util:include> tag to copy the contents of the JSP

Question 112

Question
Liferay's core JavaScript framework is
Answer
  • jQuery
  • Dojo
  • MooTools
  • AlloyUI
  • YUI

Question 113

Question
A Struts action hook cannot define new Struts actions
Answer
  • True
  • False

Question 114

Question
AlloyUI is a framework built on
Answer
  • YUI2
  • jQuery
  • YUI3
  • None of the above

Question 115

Question
A portlet can be assigned to a category in the Add Application menu using
Answer
  • liferay-display.xml
  • liferay-portlet.xml
  • liferay-category.xml
  • liferay-menu.xml

Question 116

Question
A solution that requires modifying the Blogs portlet by overriding several core JSPs and a Struts action is best developed as
Answer
  • A single hook plugin
  • A Struts hook plugin and a JSP hook plugin
  • A single Ext plugin
  • A Struts hook plugin and several JSP hook plugins

Question 117

Question
Default CSS files in a theme are imported by
Answer
  • base.css
  • ma in.css
  • style.css
  • import.ess

Question 118

Question
The recommended plugin type to use for a new servlet filter is a(n):
Answer
  • Ext
  • Portlet
  • Hook
  • Theme

Question 119

Question
To hide the default success message in a portlet that extends MVCPortlet
Answer
  • Add the following when creating an action URL: <portlet:actionURL name="addRecord" var="addRecordURL" add-process-action-success-action="false" />
  • Add the following to liferay-portletxml: <add-process-action-success-action>false</add-process-action-success-action>
  • Add the following to portlet.xml: < in it-pa ram> < na me >add -process-action -success-action </na me > <value>false</value> </init-param>
  • The default success message can only be overridden by supplying a customized success message using: SessionMessages.add(actionRequest, "custom-success-message");

Question 120

Question
An administrator would like to search for blog entries by the Twitter account of the author. The recommended way to add the Twitter account to the index and add the term to the search query is to
Answer
  • Create a hook plugin that overrides the BlogsEntry service to index the Twitter account and add the term to the search query
  • Create a hook plugin that overrides the Struts actions to index the Twitter account on update and add the term to the search query
  • Create an Ext plugin that extends the BlogsEntry indexer to index the Twitter account and add the term to the search query
  • Create a hook plugin that implements an indexer post processor to index the Twitter account and add the term to the search query

Question 121

Question
The method to embed a portlet in a theme is
Answer
  • $theme.addPortlet()
  • $theme.runtime()
  • $theme.embedPortlet()
  • $theme.processPortlet()

Question 122

Question
Color schemes are defined in
Answer
  • liferay-color-scheme.xml
  • portal-ext.properties
  • liferay-look-and-feel.xml
  • liferay-plugin-package.properties

Question 123

Question
The <portlet: defineObjects /> tag defines the variables: (Please select all correct answers.)
Answer
  • "portletPreferences"
  • "renderRequest"
  • "remoteUser"
  • "portletSession''

Question 124

Question
To ensure that all portlets added to the right-hand column of this layout template have a blue background: <div class="my_2_column" id="main-content" role="main"> <div class= portlet-layout > <div class="aui-w50 portlet-column portlet-column-first" id="left-hand"> $processor.processColumn("column-l\ portlet-column-content portlet-column-content-first") </div> <div class="aui-w50 portlet-column portlet-column-last" id = "right-hand"> $processor.processColumn("column-2\ "portlet-column-content portlet-column-content-last") </div> </div> </div>
Answer
  • Add the following CSS to the theme: #main-content .right-hand .portlet { background:blue; }
  • Add the following CSS to the theme: #right-hand .portlet { background:blue; }
  • Provide a custom JSP hook that overwrites the default style for ".column-2"
  • Add the following CSS to the theme: #right-hand {portlet-background:blue;}

Question 125

Question
The method to set the value of a custom field for a BlogsEntry object ("blog") is
Answer
  • PortalUtil.setExpando(blog)
  • blog.getExpandoBridge().setAttribute()
  • ExpandoLocalServiceUtil.setAttribute(blog)
  • blog.setExpandoQ

Question 126

Question
The default variables in a theme are defined in
Answer
  • portal_normal.vm
  • init.vm
  • main.vm
  • variables.vm

Question 127

Question
As a best practice, a portlet plugin imports classes from: (Please select all correct answers.)
Answer
  • portal-impl.jar
  • portal-service.jar
  • portlet.jar
  • ext-impl.jar

Question 128

Question
The recommended way to override the updateLastLogin() method and create a new method called updateLastlmpersonation() for the User service is to
Answer
  • Create a hook plugin and implement a service wrapper that overrides the updateLastLogin() method and creates the updatel_astImpersonation() method in the User service
  • Create a portlet plugin and implement a service wrapper hook that overrides the updatel_astLogin() method in the User service and build a new service in the plugin that references the User service and creates the updatel_astImpersonation() method
  • Create an Ext plugin that modifies portal-spring.xml to replace the User service with a new service that overrides the updatel_astLogin() method and creates the updatel_astImpersonation() method
  • Create a hook plugin and implement a service wrapper that overrides the updatel_astLogin() method and create an Ext plugin that builds a new service to implement the updateLastImpersonation() method for the User service.

Question 129

Question
After adding new functionality to an Ext plugin, the recommended way to deploy in a development environment is to
Answer
  • Stop the server, redeploy the plugin and restart the server
  • Undeploy the original plugin and deploy the updated plugin
  • Undeploy the original plugin, clean the server and deploy the updated plugin
  • Undeploy all plugins and deploy the updated plugin prior to redeploying the other plugins

Question 130

Question
When a hook overrides a core JSP named view.jsp
Answer
  • The new view.jsp overwrites the original file and the original view.jsp is no longer available
  • The original view.jsp is moved to a temporary folder
  • The original view.jsp is renamed to view.portal.jsp
  • The contents of the original view.jsp and the new view.jsp are merged automatically

Question 131

Question
Liferay's core local services: (Please select all correct answers.)
Answer
  • Contain the business logic of the service
  • Enforce permission checking
  • Are required if using remote services
  • Communicate to the database through the persistence layer

Question 132

Question
Beta-portlet.war requires services that are in alpha-portlet.war. To guarantee beta-portlet.war deploys after alpha-portlet.war
Answer
  • Add the following to portletxml in beta-portlet.war: < init-pa ram> <name>required-deployment-contexts</name> <value>alpha-portlet</value> </init-param>
  • Add the following to liferay-plugin-package.properties in beta-portlet.war:required-deploy mentcontexts=alpha-portlet
  • Add the following to liferay-portlet.xml in beta-portlet.war: <required-deployment-contexts>alpha-portlet</required-deployment-contexts>
  • It is not possible to declare this type of dependency

Question 133

Question
Public render parameters are of the type:
Answer
  • List
  • RenderParameter
  • String
  • Object
  • RenderRequest

Question 134

Question
Service Builder does not generate
Answer
  • SQL statements to create tables
  • Hibernate and Spring configuration files
  • Axis web services
  • The view layer

Question 135

Question
The recommended way to modify the Wiki portlet configuration to recognize a new public render parameter defined in a portlet plugin
Answer
  • Create a hook plugin and add the public render parameter definition to portlet-custom.xml
  • Create an Ext plugin and add the public render parameter definition to portlet-ext.xml
  • Create a portlet plugin and re-implement the logic of the Wiki portlet and define the new public render parameter in portlet.xml
  • Create an Ext plugin and add the public render parameter definition to portlet-custom.xml

Question 136

Question
The element that defines a database table in service.xml is
Answer
  • <entity>
  • <table>
  • <db-table>
  • <object>

Question 137

Question
If the expiration cache in portlet.xml is set to "-1":
Answer
  • The finder cache does not expire
  • Ehcache does not expire
  • The portlet cache does not expire
  • All of the above

Question 138

Question
To define a primary key named ''bookld" in service.xml
Answer
  • <primary-column name= bookld" />
  • <column name = bookld primary = true" />
  • <primary name= "bookld" />
  • <column primary="bookId" />

Question 139

Question
The method to retrieve a list of users that have been added directly to a site is
Answer
  • SiteLocalServiceUtil.getSiteUsers()
  • UserLocalServiceUtil.getSiteUsers()
  • UserLocalServiceUtil.getGroupUsers()
  • SiteLocalServiceUtil. getGroupUsers ()

Question 140

Question
Portlet application security roles are mapped to Liferay roles in:
Answer
  • portlet.xml
  • liferay-portlet.xml
  • liferay-role.xml
  • liferay-display.xml

Question 141

Question
The service() method in GenericPortlet handles all requests for a particular portlet and dispatches to the appropriate method based on the portlet mode.
Answer
  • True
  • False

Question 142

Question
The recommended way to escape text is
Answer
  • StringUtil.escape()
  • HtmlUtiI.escape()
  • DisplayUtil.escape()
  • JSPUtil.escape()
  • FormUtil.escape()
  • GetterUtil.escape()

Question 143

Question
The Classic theme is built using
Answer
  • HTML 4
  • XHTML
  • HTML 5
  • HTML 6
  • WML

Question 144

Question
The descriptor liferay-portlet.xml defines
Answer
  • Events
  • The portlet class
  • The CSS class wrapper
  • Resource bundles
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PREGUNTA DE ESPECIALIDAD 1
Adrian Echeverria
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