Free Access Salesforce.PDII.v2022-05-12.q296 Practice Test (Page 51)

Question 246

A developer needs to create a Lightning page for entering Order Information. An error message should be displayed if the zip code entered as part of the Order's shipping address is not numeric. What is a recommended way for the error message be displayed to the end user?

A.Use the ui:outputText tag to display errors.

B.Use the apex:message tag to display errors.

C.Use the aura:component tag to display errors.

D.Use the ui:inputDefaultError tag to display errors

Question 247

A developer created a Visualforce page that has a custom controller that navigates to an external website after the' command button is pressed. What is the recommended way to test this functionality?

A.Test the navigation by executing the use case through the browser and manually inspecting the resulting URL

B.Use .getURL() on the result of the action method and System.assertEquals () to compare the resulting URL.

C.Use Test.getCurrentPage() .getUrl () and System.assertEquals () to compare the end URL.

D.Use ApexPages.currentPage () .getUrl () and System.assertElquals () to compare the end URL.

Question 248

What is the correct syntax for calling a controller action from a Visualforce page and updating part of the page once the action is completed? Choose 2 answers

A.< apex:actionSupport action="{ !Save} " event="" rerender="thePageBlock"/>

B.< apex: commandFunction action="{ !Save}" value="Save" rendered="thePageBlock"/>

C.< apex:commandButton action="{ !Save}" value="Save" redraw="thePageBlock"/>

D.< apex:actionFunction action="{ !Save}" name="Save" rerender="thePageBlock"/>

Question 249

What is a recommended practice with regard to the Apex CPU limit? Choose 2 answers

A.Optimize SOQL query performance.

B.Avoid nested Apex iterations.

C.Use Map collections to cache sObjects.

D.Reduce view state in Visualforce pages.

Question 250

A developer has built a multi-page wizard using a single Custom Controller to query and update data. Users are complaining that the pages are loading slowly. What will improve performance? Choose 3 answers

A.Turning off the standard stylesheet.

B.Reducing the view state.

C.Using selective queries.

D.Setting the Apex Page attribute cache=true.

E.Using actionRegion and rerender.

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Question 246

Question 247

Question 248

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Question 250

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