CERTIFIED_PLATFORM_DEVELOPER_II questions • Exam prepare

Question 145 🔥

Choose the correct definition for <apex:message>.

Which database solution meets these requirements?

A. Standard Salesforce formatting, throws a specific message on a page

B. Standard Salesforce formatting, shows all errors that occur on page. Can add more messages through the "ApexPages.addMessage" function

C. A single message, without formatting, that can be associated with a specific component on the page

Highly voted

D. No formatting; displays all errors on a page

Discussion of the question

Question 146 🔥

Choose the correct definition for <apex:actionFunction>.

Which database solution meets these requirements?

A. Allows for controller methods to be called directly from Javascript. Must be encapsulated in <apex:form> tags. Unlike actionSupport, these function<apex:actionPoller>s can be called directly from Javascript code

Highly voted

B. Sends an AJAX request according to the time interval you specify. If this ever gets re-rendered, it resets

C. Adds AJAX support to another component (e.g. onClick, onMouseUp, onFocus, etc.)

D. Can be associated with an AJAX request (actionFunction/actionSupport/actionPoller) and shows content conditionally depending on the status of the request (in progress/complete). Use the "id" field to specify name; use "status" field on related components to connect them

E. Signifies which components should be processed by the server when an AJAX request is generated

Discussion of the question

Question 147 🔥

Choose the correct definition for <apex:actionPoller>.

Which database solution meets these requirements?

A. Allows for controller methods to be called directly from Javascript. Must be encapsulated in <apex:form> tags. Unlike actionSupport, these function<apex:actionPoller>s can be called directly from Javascript code

B. Sends an AJAX request according to the time interval you specify. If this ever gets re-rendered, it resets

Highly voted

C. Adds AJAX support to another component (e.g. onClick, onMouseUp, onFocus, etc.)

D. Can be associated with an AJAX request (actionFunction/actionSupport/actionPoller) and shows content conditionally depending on the status of the request (in progress/complete). Use the "id" field to specify name; use "status" field on related components to connect them

E. Signifies which components should be processed by the server when an AJAX request is generated

Discussion of the question

Question 148 🔥

Choose the correct definition for <apex:actionSupport>.

Which database solution meets these requirements?

A. Allows for controller methods to be called directly from Javascript. Must be encapsulated in <apex:form> tags. Unlike actionSupport, these function<apex:actionPoller>s can be called directly from Javascript code

B. Sends an AJAX request according to the time interval you specify. If this ever gets re-rendered, it resets

C. Adds AJAX support to another component (e.g. onClick, onMouseUp, onFocus, etc.)

D. Can be associated with an AJAX request (actionFunction/actionSupport/actionPoller) and shows content conditionally depending on the status of the request (in progress/complete). Use the "id" field to specify name; use "status" field on related components to connect them

E. Signifies which components should be processed by the server when an AJAX request is generated

Discussion of the question

Question 149 🔥

Choose the correct definition for <apex:actionStatus>.

Which database solution meets these requirements?

A. Allows for controller methods to be called directly from Javascript. Must be encapsulated in <apex:form> tags. Unlike actionSupport, these function<apex:actionPoller>s can be called directly from Javascript code

B. Sends an AJAX request according to the time interval you specify. If this ever gets re-rendered, it resets

C. Adds AJAX support to another component (e.g. onClick, onMouseUp, onFocus, etc.)

D. Can be associated with an AJAX request (actionFunction/actionSupport/actionPoller) and shows content conditionally depending on the status of the request (in progress/complete). Use the "id" field to specify name; use "status" field on related components to connect them

E. Signifies which components should be processed by the server when an AJAX request is generated

Discussion of the question

Question 150 🔥

A Visualforce page loads slowly due to the large amount of data it displays.Which strategy can a developer use to improve the performance?

Which database solution meets these requirements?

A. Use Javascript to move data processing to the browser instead of the controller.

B. Use the transient keywords for the List variables used in the custom controller.

C. Use lazy loading to load the data on demand, instead of the controller's constructor.

Highly voted

D. Use an <apex:actionPoller> in the page to load all of the data asynchronously.

Discussion of the question

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salesforce CERTIFIED_PLATFORM_DEVELOPER_II

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