Download Certified Platform Developer II.Certified-Platform-Developer-II.BrainDumps.2020-03-09.39q.tqb

Vendor: Salesforce
Exam Code: Certified-Platform-Developer-II
Exam Name: Certified Platform Developer II
Date: Mar 09, 2020
File Size: 395 KB
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Demo Questions

Question 1
A Visualforce page loads slowly due to the large amount of data it displays. 
Which strategy can a developer use to improve the performance?
  1. Use Javascript to move data processing to the browser instead of the controller.
  2. Use the transient keywords for the List variables used in the custom controller.
  3. Use lazy loading to load the data on demand, instead of the controller’s constructor.
  4. Use an <apex:actionPoller> in the page to load all of the data asynchronously.
Correct answer: C
Question 2
Universal Containers wants to use an external Web Service provided by a third-party vendor to validate that shipping and billing addresses are correct. The current vendor uses basic password authentication, but Universal Containers might switch to a different vendor who uses OAuth. 
What would allow Universal Containers to switch vendors without updating the code to handle authentication?
  1. Custom Metadata
  2. Custom Setting (List)
  3. Dynamic Endpoint
  4. Named Credential
Correct answer: D
Question 3
A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field. 
<apex:selectList value="{!selectedIndustry}">
    <apex:selectOptions values="{!industries}"/>
</apex:selectList>
When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry. 
What is the optimal way to implement this?
  1. Add an <apex:actionFunction> within the <apex:selectOptions>.
  2. Add an <apex:actionFunction> within the <apex:selectList>.
  3. Add an <apex:actionSupport> within the <apex:selectList>.
  4. Add an <apex:actionSupport> within the <apex:selectOptions>.
Correct answer: B
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