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Assess the CertsIQ’s updated PDI exam questions for free online practice of your Salesforce Certified Platform Developer (Plat-Dev-201) test. Our Plat-Dev-201 PDI dumps questions will enhance your chances of passing the Salesforce Platform Developer I certification exam with higher marks.

Exam Code: PDI
Exam Questions: 387
Salesforce Certified Platform Developer (Plat-Dev-201)
Updated: 29 Apr, 2026
Question 1

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.
What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

Options :
Answer: D

Question 2

A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should the developer prevent a cross site scripting vulnerability?

Options :
Answer: B

Question 3

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple subjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

Options :
Answer: A,B,D

Question 4

What can be easily developed using the Lightning Component framework? 

Options :
Answer: C

Question 5

Which two are phases in the Aura application event propagation framework? Choose 2 answers

Options :
Answer: C,D

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