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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Refer to the exhibit

Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed. What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?

A) Enclose the DATA table within the <apex:actionRegion> tag.
B) Ensure the action method search returns null.
C) Implement the <apex:actionfunction> tag with immediate = true.
D) Implement the render attribute on the <apex:ccxmandButton> tag.

2. A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow.
What can a developer to do address the issue?

A) Move the prerequisite reference data setup to a @testSetup method in the test class.
B) Move the prerequisite reference data setup to a TestDataFactory and call that from each test method.
C) Move the prerequisite reference data setup to the constructor for the test class.
D) Turn off triggers, flows, and validations when running tests.

3. Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?

A) Have the external system subscribe to a standardPlatform Event that gets fired with with Eventbus.publish(1.
B) Have the external system subscribe to a standard Platform Event that gets fired.
C) Have the external system subscribe to a custom Platform Event that gets fired with addError{).
D) Have the external system subscribe to a customPlatform Event that gets fired with EventBus.publish(1,

4. As part of their quoting and ordering process, a company needs to send POFs to their document storage system's REST endpoint that supports OAuth 2.0. Each Salesforce user must be individually authenticated with the document storage system to send the PDF.
What is the optimal way for a developer to implement the authentication to the REST endpoint?

A) Hierarchy Custom Setting with 2 password custom field
B) Named Credential with Password Authentication
C) Hierarchy Custom Setting with an OAuth token custom field
D) Named Credential with an OAuth Authentication Provider

5. Part of a custom Lightning component displays the total number of Opportunities in the org, which are in the millions. The Lightning component uses an Apex method to get the data it needs.
What is the optimal way for a developer to get the total number of Opportunities for the Lightning component?

A) COUNT () SOQL aggregate query on the Opportunity object
B) SOQL for loop that counts the number of Opportunities records
C) SUM () SOQL aggregate query on the Opportunity object
D) Apex batch job that counts the number of Opportunity records

Solutions: