Salesforce PD1 Exam Mock Test - 1
Welcome to your Salesforce PD1 Exam Mock Test
Total Questions: 60
Duration: 105 minutes
Pass Score: 39 (65%)
Date: January 22, 2026
1.
How can an LWC handle errors from an Apex call?
2.
What is the purpose of the WITH SECURITY_ENFORCED clause?
3.
What does SELECT COUNT() FROM Contact WHERE AccountId = :accId return?
4.
A developer needs to handle a NullPointerException in an Apex method. What is the best approach?
5.
A developer builds a dynamic SOQL query with user input. How can SOQL injection be prevented?
6.
A Lightning Web Component needs to display Account data reactively. Which approach should the developer use?
7.
A developer needs to bulkify an Apex trigger to handle 200 records. What should they do?
8.
A developer needs to include JavaScript in a Visualforce page. Which tag is used?
9.
A test class for an Apex controller must simulate user interaction. What annotation is required for test methods?
10.
A developer needs to retrieve all Opportunities with an Amount greater than $10,000. Which SOQL query is correct and optimized?
11.
What is the purpose of FOR UPDATE in a SOQL query?
12.
How can an LWC dispatch a custom event?
13.
A developer needs to pass a parameter to a controller method. Which attribute is used?
14.
A page needs to refresh after a button click. Which attribute enables this?
15.
A developer wants to bulkify a trigger. What is the best practice?
16.
A developer deploys a change set. What is a prerequisite?
17.
A developer wants to pass a record ID to an LWC. Which decorator should be used?
18.
What does the query SELECT Id, Name FROM Opportunity WHERE StageName IN ('Closed Won', 'Closed Lost') return?
19.
A test class needs to verify a trigger’s behavior. What should be included?
20.
A developer needs to call an external API. Which class should be used?
21.
What is the maximum heap size for synchronous Apex?
22.
A developer needs to execute a method after a delay. Which approach is best?
23.
A test class needs to simulate a guest user. What is used?
24.
A developer needs to process records asynchronously. Which approach is best for a one-time job?
25.
A trigger needs to update a field on the same object. Which context is best?
26.
What does SELECT Id, Name FROM Account ORDER BY Name DESC do?
27.
A developer writes a test class for an Apex method. What is a best practice?
28.
A test method needs to create test data. What is the best practice?
29.
A developer needs to send an email from Apex. Which class is used?
30.
A page needs to display a related list of Contacts for an Account. Which tag is used?
31.
When should a developer use a before trigger instead of an after trigger?
32.
What does SELECT Id, Name FROM Account WHERE CreatedDate = TODAY return?
33.
A trigger needs to handle recursive updates. What is the best approach?
34.
A batch Apex job updates Case records. What interface must the class implement?
35.
What is the minimum code coverage required for deploying Apex code to production?
36.
How can an Aura component refresh its data?
37.
How can an Aura component handle a server-side Apex call?
38.
A developer needs to debug Apex code. Which tool is most appropriate?
39.
A developer needs to call an external API from Apex. What is required?
40.
A developer creates an LWC to display a picklist. Which HTML tag is used?
41.
A developer schedules a job to run daily. Which interface is used?
42.
A trigger on Opportunity updates related Account records. When should the DML operation occur?
43.
What is the purpose of the @TestSetup annotation?
44.
What does SELECT Id, Name FROM Account LIMIT 10 do?
45.
A trigger processes 500 records but fails due to a governor limit. What is likely the issue?
46.
What does SELECT Id, (SELECT Id FROM Opportunities) FROM Account return?
47.
What does the System.assertEquals() method do in a test class?
48.
A page needs to display a dynamic table. Which tag is best?
49.
An Aura component needs to access a record ID. Where is it stored?
50.
What is the maximum number of SOQL queries allowed in a single Apex transaction?
51.
How can an LWC access a record’s fields?
52.
A page needs to include a static resource. Which tag is used?
53.
An Aura component needs to handle a component event. What is required?
54.
A developer needs to enforce record-level security. Which feature should they use?
55.
A Visualforce page needs to display a picklist for the Account.Type field. Which tag should be used?
56.
What is the maximum number of callouts per Apex transaction?
57.
A developer sees a “Too many DML statements” error. What is the likely cause?
58.
How can a custom controller redirect to another page?
59.
A page needs to display an error message. Which tag is used?
60.
A test class calls an @future method. How should the test handle asynchronous code?
