Salesforce Plat-Dev-301 : Salesforce Certified Platform Developer II - Multiple Choice

Plat-Dev-301 real exams

Exam Code: Plat-Dev-301

Exam Name: Salesforce Certified Platform Developer II - Multiple Choice

Updated: Sep 04, 2026

Q & A: 204 Questions and Answers

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
Data Modeling12%- Large data volumes considerations
- Advanced object relationships and data modeling
- External objects and data sources
User Interface18%- Lightning Data Service
- Aura Components
- Lightning Web Components (LWC) advanced features
- Visualforce advanced controllers
Logic and Process Automation22%- Invocable Actions and Platform Events
- Dynamic Apex and SOQL/SOSL
- Asynchronous Apex (Batch, Queueable, Future, Scheduled)
- Advanced Apex programming
Architecture18%- Namespace and package management
- Apex Enterprise Patterns
- Design patterns and Apex trigger frameworks
- Governor limits and bulkification
Testing, Debugging, and Deployment15%- Apex unit testing best practices
- Debugging and performance profiling
- Deployment tools (SFDX, Metadata API)
- Test data strategies and mocking
Integration15%- Named Credentials and authentication
- External Services and Connect REST API
- REST and SOAP web services (Apex callouts)
- Platform Events and Change Data Capture

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question 1

A developer is tasked with creating a Lightning web component that is responsive on various devices, Which two components should help accomplish this goal?
Choose 2 answers

A. lightning-layout--item
B. Lightning-layout
C. Lightning-input-location
D. lightning-navigation


Question 2

An environment has two Apex triggers: an after-update trigger on Account and an after-update trigger on Contact.
The Account after-update trigger fires whenever an Account's address is updated, and it updates every associated Contact with that address. The Contact after-update trigger fires on every edit, and it updates every Campaign Member record related to the Contact with the Contact's state.
Consider the following: A mass update of 200 Account records' addresses, where each Account has 50 Contacts. Each Contact has one Campaign Member. This means there are 10,000 Contact records across the Accounts and 10,000 Campaign Member records across the contacts.
What will happen when the mass update occurs?

A. The mass update will fail, since the two triggers fire in the same context, thus exceeding the number of records processed by DML statements.
B. There will be no error and all updates will succeed, since the limit on the number of records processed by DML statements was not exceeded.
C. The mass update of Account address will succeed, but the Contact address updates will fail due to exceeding number of records processed by DML statements.
D. There will be no error, since each trigger fires within its own context and each trigger does not exceed the limit of the number of records processed by DML statements.


Question 3

Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?
A)

B)

C)

D)

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


Question 4

Which two queries are selective SOQL queries and can be used for a large data set of 200,000 Account records?
Choose 2 answers

A. SELECT Id FROM Account WHERE II IK (List of Account Ida)
B. SELECT Id FRCM Account WHERE Name != ' '
C. SELECT Id FROM Account WHERE Name LIKE '!-NULL
D. SELECT Id FRCM Account WHEP Name IN (List of Names) AND Customer_Number_c= 'ValueA


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


Solutions:

Question 1
Answer: A,B
Question 2
Answer: A
Question 3
Answer: C
Question 4
Answer: B,D
Question 5
Answer: A

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