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salesforce CERTIFIED_PLATFORM_DEVELOPER_II

Exam contains 343 questions

Page 3 of 58

Question 13 🔥

A developer is trying to decide between creating a Visualforce component or a Lightning component for a custom screen.Which functionality consideration impacts the final decision?

Which database solution meets these requirements?

A. Does the screen need to be rendered as a PDF?

Highly voted

B. Does the screen need to be accessible from the Lightning Experience UI?

Highly voted

C. Will the screen make use of a JavaScript framework?

Highly voted

D. Will the screen be accessed via a mobile app?

Highly voted

Discussion of the question

Question 14 🔥

A developer wishes to improve runtime performance of Apex calls by caching results on the client.What is the best way to implement this?

Which database solution meets these requirements?

A. Decorate the server-side method with @AuraEnabled(cacheable=true).

Highly voted

B. Set a cookie in the browser for use upon return to the page.

Highly voted

C. Call the setStorable() method on the action in the JavaScript client-side code.

Highly voted

D. Decorate the server-side method with @AuraEnabled(storable=true).

Highly voted

Discussion of the question

Question 15 🔥

A developer is asked to update data in an org based on new business rules. The new rules state that Accounts with the type set to 'Customer' should have a status of 'Active', and Accounts with the type set to 'Prospect' should have a status of 'Pending'. No other changes to data should be made.Which code block will accurately meet the business requirements?

Which database solution meets these requirements?

A. Map<String, String> statusMap = new Map<String, String>{'Customer'=>'Active', 'Prospect'=>'Pending'} List<Account> accountUpdates = new List<Account>(); for ( Account a : [SELECT Id, Type FROM Account]){ if ( statusMap.containsKey(a.Type) ) { a.Status = a.Type == 'Customer' ? 'Active' : 'Pending'; } accountUpdates.add(a); } update accountUpdates;

Highly voted

B. Map<String, String> statusMap = new Map<String, String>{'Customer'=>'Active', 'Prospect'=>'Pending'} List<Account> accountUpdates = new List<Account>(); for ( Account a : [SELECT Id, Type FROM Account WHERE Status IN :statusMap.keySet()]){ a.Status = statusMap.get(a.Type); accountUpdates.add(a); } update accountUpdates;

Highly voted

C. List<Account> accountUpdates = new List<Account>(); for ( Account a : [SELECT Id, Type FROM Account]){ if ( String.isNotBlank(a.Type) && a.Type == 'Customer' ){ a.Status = 'Active'; } if ( String.isNotBlank(a.Type) && a.Type == 'Prospect' ){ a.Status = 'Pending'; } accountUpdates.add(a); } update accountUpdades;

Highly voted

D. List<Account> accountUpdates = new List<Account>(); for ( Account a : [SELECT Id, Type FROM Account]){ a.Status = a.Type == 'Customer' ? 'Active' : 'Pending'; accountUpdates.add(a); } update accountUpdates;

Highly voted

Discussion of the question

Question 16 🔥

What is a benefit of JavaScript remoting over Visualforce Remote Objects?

Which database solution meets these requirements?

A. Allows for specified re-render targets

Highly voted

B. Does not require any Apex code

Highly voted

C. Does not require any JavaScript code

Highly voted

D. Supports complex server-side application logic

Highly voted

Discussion of the question

Question 17 🔥

A Lightning Component functions in preview mode and needs to be used inside a Lightning App Builder page, but it is not available.What change should be applied to the component?

Which database solution meets these requirements?

A. Expose it in the markup using the implements and access attributes.

Highly voted

B. Delete the component, metadata, and Apex controller and recreate them.

Highly voted

C. Refresh the sandbox and upgrade it to the latest API version.

Highly voted

D. Look for errors in the logic in the JavaScript controller.

Highly voted

Discussion of the question

Question 18 🔥

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.

Highly voted

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

Highly voted

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.

Highly voted

Discussion of the question

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salesforce CERTIFIED_PLATFORM_DEVELOPER_II

Exam contains 343 questions

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