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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question 1

Which tag should a developer use to display different text while an <apex:commandButton> is Processing an action?

A. <apex:actionSupparts
B. <apex:actionPaller>
C. <apex:pageMes sagas
D. <apex:actionStatus>

Question 2

A developer notices the execution of all the test methods in a class takes a long time to run, due to the initial setup of all the test data that is needed to perform the tests. What should the developer do to speed up test execution?

A. Reduce the amount of test methods in the class.
B. Define a method that creates test data and annotate with @createData.
C. Ensure proper usage of test data factory in all test methods.
D. Define a method that creates test data and annotate with @testSetup.

Question 3

A developer is working with existing functionality that tracks how many times a stage has changed for an Opportunity. When the Opportunity's stage is changed, a workflow rule is fired to increase the value of a field by one. The developer wrote an after trigger to create a child record when the field changes from 4 to 5.
A user changes the stage of an Opportunity and manually sets the count field to 4. The count field updates to 5, but the child record is not created.
What is the reason this is happening?

A. Trigger.old does not contain the updated value of the count field.
B. Trigger.new does not change after a field update.
C. After triggers are not fired after field updates.
D. After triggers fire before workflow rules.

Question 4

There is an Apex controller and a Visualforce page in an org that displays records with a custom filter consisting of a combination of picklist values selected by the user.
The page takes too long to display results for some of the input combinations, while for other input choices it throws the exception, "Maximum view state size limit exceeded".
What step should the developer take to resolve this issue?

A. Adjust any code that filters by picklist values since they are not indexed,
B. Split the layout to filter records in one Visualforce page and display the list of records in a second page using the same Apex controller.
C. Remove instances of the transient keyword from the Apex controller to avoid the view state error.
D. Use a StandardSetController or SOQL LIMIT in the Apex controller to limit the number of records displayed at a time.

Question 5

Refer to the test method below:

The test method tests an Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers. The test method fails at the Line 20 because of too many SOQL queries. What is the correct way to fix this? A)

B)

C)

D)

A. Option A
B. Option B
C. Option D
D. Option C

Solutions: