PD1 Visualforce Pages 2

Question 1

Which Visualforce component is used to display a list of records in a table format with built-in sorting and pagination?

Accepted Answer

<apex:pageBlockTable>

Answer

<apex:dataTable>

Answer

<apex:listView>

Answer

<apex:repeat>

Question 2

What is the purpose of the 'rendered' attribute in Visualforce components?

Accepted Answer

It conditionally includes or excludes the component from the HTML output

Answer

It sets the CSS display property to none

Answer

It controls whether the component is editable

Answer

It determines if the component fires AJAX requests

Question 3

Which attribute on <apex:page> disables the standard Salesforce page header?

Accepted Answer

showHeader='false'

Answer

header='false'

Answer

standardHeader='false'

Answer

pageHeader='false'

Question 4

In Visualforce, how do you reference a static resource named 'myJS' in a <script> tag?

Accepted Answer

{!URLFOR($Resource.myJS)}

Answer

{!URLFOR('/resource/myJS')}

Answer

{!$Resource.myJS}

Answer

{!$Resource['myJS'].url}

Question 5

What happens when you set 'readOnly="true"' on an <apex:page>?

Accepted Answer

The page can query up to 1 million rows but cannot perform DML

Answer

All input fields become disabled

Answer

The page cannot call any Apex methods

Answer

The page is cached and not re-rendered on each request

Question 6

Which tag is used to define a reusable section of markup that can be included in multiple Visualforce pages?

Accepted Answer

<apex:component>

Answer

<apex:include>

Answer

<apex:template>

Answer

<apex:fragment>

Question 7

What is the correct way to call a method on a Visualforce controller using an action link?

Accepted Answer

<apex:commandLink action='{!myMethod}'>

Answer

<apex:link onclick='{!myMethod}'>

Answer

<apex:outputLink action='{!myMethod}'>

Answer

<apex:commandLink method='myMethod'>