Salesforce Platform Developer I (legacy) Free Practice Exam Questions

259 real Salesforce Platform Developer I (legacy) exam questions with answers and AI explanations. Salesforce certification prep — page 1 of 26.

  1. Question 1: What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)
  2. Question 3: A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations a…
  3. Question 4: Using the Schema Builder, a developer tries to change the API name of a field that is referenced in an Apex test class. What is the end result?
  4. Question 5: A developer needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the Salesf…
  5. Question 6: Which three options allow a developer to use custom styling in a Visualforce page? (Choose three.)
  6. Question 7: A developer executes the following query in Apex to retrieve a list of contacts for each account: List<account> accounts = [Select ID, Name, (Select ID, Name f…
  7. Question 8: A developer needs to display all of the available fields for an object. In which two ways can the developer retrieve the available fields if the variable myObj…
  8. Question 9: A developer wants to override a button using Visualforce on an object. What is the requirement?
  9. Question 11: What are three characteristics of static methods? (Choose three.)
  10. Question 12: A developer wrote a unit test to confirm that a custom exception works properly in a custom controller, but the test failed due to an exception being thrown. W…