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

Exam Code: Plat-Dev-301

Exam Name: Salesforce Certified Platform Developer II - Multiple Choice

Updated: Aug 02, 2026

Q & A: 204 Questions and Answers

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Integration15%- External Services and Connect REST API
- REST and SOAP web services (Apex callouts)
- Platform Events and Change Data Capture
- Named Credentials and authentication
Topic 2: User Interface18%- Aura Components
- Visualforce advanced controllers
- Lightning Data Service
- Lightning Web Components (LWC) advanced features
Topic 3: Testing, Debugging, and Deployment15%- Test data strategies and mocking
- Debugging and performance profiling
- Deployment tools (SFDX, Metadata API)
- Apex unit testing best practices
Topic 4: Data Modeling12%- Advanced object relationships and data modeling
- External objects and data sources
- Large data volumes considerations
Topic 5: Logic and Process Automation22%- Asynchronous Apex (Batch, Queueable, Future, Scheduled)
- Advanced Apex programming
- Dynamic Apex and SOQL/SOSL
- Invocable Actions and Platform Events
Topic 6: Architecture18%- Apex Enterprise Patterns
- Design patterns and Apex trigger frameworks
- Namespace and package management
- Governor limits and bulkification

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. A developer wrote a test class that successfully asserts a trigger on Account, It fires and updates data correctly In a sandbox environment.
A Salesforce admin with a custom profile attempts to deploy this trigger via a change set into the production environment, but the test class falls with an Insufficient privileges error.
What should a developer do to fix the problem?

A) Add seeallData=true to the test class to work within the sharing model for the productionenvironment.
B) Add System.runAs() to the test class to execute the trigger as a user with the correct objectpermissions.
C) Configure the production environment to enable"Run All Tests as Admin User."
D) Verify that Test. startTest() Is not Inside a For loop in the test class,


2. Given the following information regarding Universal Containers (UC):
* UC represents their customers as Accounts in Salesforce.
* All customers have a unique Customer__Number_c that is unique across all of UC's systems.
* UC also has a custom Invoice c object, with a Lookup to Account, to represent invoices that are sent out from their external system.
UC wants to integrate invoice data back into Salesforce so Sales Reps can see when a customer pays their bills on time.
What is the optimal way to implement this?

A) Query the Account Object upon each call to insert invoice data to fetch the Salesforce ID corresponding to the Customer Number on the invoice.
B) Use Salesforce Connect and external data objects to seamlessly import the invoice data into Salesforce without custom code.
C) Ensure Customer Number cis an External ID and that a custom field Invoice Number cis an External ID and Upsert invoice data nightly.
D) Create a cross-reference table in the custom invoicing system with the Salesforce Account ID of each Customer and insert invoice data nightly,


3. A company accepts orders for customers in their enterprise resource planning (ERP) system that must be integrated into Salesforce as order_ c records with a lookup field to Account. The Account object has an external ID field, ENF_Customer_ID_c.
What should the Integration use to create new Oder_c records that will automatically be related to the correct Account?
A)

B)

C)

D)

A) Option D
B) Option B
C) Option C
D) Option A


4. Refer to the following code snippet:

A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers

A) Implement the with keyword in the class declaration.
B) Use the WZ E D clause within the SOQL query.
C) Annotate the Apex method with @AuraEnabled(Cacheable=True).
D) Implement the with sharing keyword in the class declaration.
E) Annotate the Apex method with @AuraEnabled.


5. A developer gets an error saying 'Maximum Trigger Depth Exceeded.'
What is a possible reason to get this error message?

A) There are numerous DML operations in the trigger logic.
B) A trigger is recursively invoked more than 16 times.
C) A flow trigger was included too many times.
D) The SOQL governor limits are being hit.


Solutions:

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

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