Platform Developer I (PDI) (PDI) Free Practice Test

Question 1

An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?

A. Write a trigger on the Opportunity object and use tree sorting to sum the amount for all related child objects under the Opportunity.

B. Use the Metadata API to create real-time roll-up summaries.

C. Use the Streaming API to create real-time roll-up summaries.

D. Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity.

Correct Answer: D

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 2

What is an example of a polymorphic lookup field in Salesforce?

A. The LeadId and Contactid fields on the standard Campaign Member object

B. The Parentid field on the standard Account object

C. The Whatld field on the standard Event object

D. A custom field, Link__c, on the standard Contact object that looks up to an Account or a Campaign

Correct Answer: C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 3

Universal Containers needs to create a custom user interface component that allows users to enter information about their accounts.
The component should be able to validate the user input before saving the information to the database.
What is the best technology to create this component?

A. Lightning Web Components

B. Visualforce

C. Flow

D. VUE JavaScript framework

Correct Answer: A

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 4

A developer has the following requirements:
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements on its own?

A. Order has are-parentable master-detail field to Line Item.

B. Line Item has a re-parentable master-detail field to Order.

C. Order has a re-parentable lookup field to Line Item.

D. Line Item has a re-parentable lookup field to Order.

Correct Answer: B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 5

What does the Lightning Component framework provide to developers?

A. Templates to create custom components

B. Support for Classic and Lightning UIs

C. Prebuilt components that can be reused

D. Extended governor limits for applications

Correct Answer: C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 6

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system.
Within the class, the developer identifies the following method as a security threat:
ist<Contact> performSearch (String lastName} [
return Database.query('SELECT Id, FirstName, LastName FROM Contact WHERE LastName Like s'+lastName+'s'")?; What are two ways the developer can update the method to prevent a SOQL injection attack?
Choose 2 answers

A. Use variable binding and replace the dynamic query with a static SOQL.

B. Use the Readonly annotation and the with sharing keyword on the class.

C. Use the sacapeSingleQuotes method to sanitize the parameter before its use.

D. Use a regular expression on the parameter to remove special characters.

Correct Answer: A,C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 7

A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of Apex tests allowing them to test isolated requirements for various types of Salesforce cases.
Which approach can efficiently generate the required data for each unit test?

A. Create test data before Test .startTest() in the unit test.

B. Add @IsTest (seeAllData=true) at the start of the unit test class.

C. Use @TestSetup with a void method.

D. Create a mock using the HttpcalloutMock interface.

Correct Answer: C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 8

A custom picklist field, Pool Preference , exists on a custom object. The picklist contains the following options: 'Vegan', 'Kosher', 'No Preference'. The developer must ensure a value is populated every time a record is created or updated.
What is the optimal way to ensure a value is selected every time a record is saved?

A. Mark the field as Required on the field definition.

B. Mark the field as Required on the object's page layout.

C. Write an Apex trigger to ensure a value is selected,

D. Set "Use the first value in the list as the default value" to True.

Correct Answer: A

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 9

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be updated based on the values in a PostalCodeToTimezone__c custom object.
Which two automation tools can be used to implement this feature? Choose 2 answers

A. Account trigger

B. Fast Field Updates record-triggered flow

C. Approval process

D. Quick actions

Correct Answer: A,B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 10

What can be used to override the Account's standard Edit button for Lightning Experience?

A. Lightning action

B. Lightning flow

C. Lightning page

D. Lightning component

Correct Answer: A

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 11

A developer created these three Rollup Summary fields in the custom object, Project__c:
The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?

A. Formula field

B. Apex trigger

C. Record-triggered flow

D. Roll-up summary field

Correct Answer: A

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Welcome to TestSimulate

Salesforce Platform Developer I (PDI) (PDI) Free Practice Test