Purchase Salesforce : Plat-Dev-301 Exam Materials and then pass exam easily
Updated: Sep 12, 2026
No. of Questions: 204 Questions & Answers with Testing Engine
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Salesforce Plat-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer II (Multiple Choice) |
| Exam Number: | Plat-Dev-301 |
| Exam Price: | USD 400 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60 (+ up to 5 unscored) |
| Passing Score: | 70% |
| Exam Format: | Multiple Select, Multiple Choice |
| Available Languages: | English |
| Related Certifications: | Salesforce Certified Platform Developer I |
| Sample Questions: | Salesforce Plat-Dev-301 Sample Questions |
| Exam Way: | Online proctored or Onsite at a testing center |
| Pre Condition: | Salesforce Certified Platform Developer I (required) |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platformdeveloperi |
Salesforce Plat-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Modeling | 12% | - Advanced object relationships and data modeling - Large data volumes considerations - External objects and data sources |
| Testing, Debugging, and Deployment | 15% | - Deployment tools (SFDX, Metadata API) - Debugging and performance profiling - Apex unit testing best practices - Test data strategies and mocking |
| Architecture | 18% | - Governor limits and bulkification - Namespace and package management - Apex Enterprise Patterns - Design patterns and Apex trigger frameworks |
| User Interface | 18% | - Visualforce advanced controllers - Lightning Data Service - Lightning Web Components (LWC) advanced features - Aura Components |
| Integration | 15% | - Named Credentials and authentication - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) - External Services and Connect REST API |
| Logic and Process Automation | 22% | - Dynamic Apex and SOQL/SOSL - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Advanced Apex programming |
Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:
A developer is tasked with ensuring that email addresses entered into the system for Contacts and for a custom object called survey Response c do not belong to a list of blocked domains.
The list of blocked domains is stored in a custom object for ease of maintenance by users. The survey Response c object is populated via a custom Visualforce page.
What is the optimal way to implement this?
- A. Implement the logic in an Apex trigger on Contact and also implement the logic within the custom Visualforce page controller.
- B. Implement the logic in the custom Visualforce page controller and call "that method from an Apex trigger on Contact.
- C. Implement the logic in a helper class that is called by an Apex trigger on Contact and from the custom Visualforce page controller.
- D. Implement the logic in validation rules on the Contact and the Burvey Response_c Objects.
Correct Answer: C 🗳️
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Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?
- A. Have the external system subscribe to a customPlatform Event that gets fired with EventBus.publish(1,
- B. Have the external system subscribe to a standard Platform Event that gets fired.
- C. Have the external system subscribe to a custom Platform Event that gets fired with addError{).
- D. Have the external system subscribe to a standardPlatform Event that gets fired with with Eventbus.publish(1.
Correct Answer: A 🗳️
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A developer is trying to access org data from within a test class.
Which sObject type requires the test class to have the (seeAllData=true) annotation?
- A. Report
- B. RecordType
- C. Profile
- D. User
Correct Answer: A 🗳️
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An Apex trigger and Apex class increment a counter, Edit __C, any time the Case is changed.
A)
B)
C)
D)
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Correct Answer: D 🗳️
There are user complaints about slow render times of a custom data table within a Visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?
- A. Use the transient keyword in the Apex code when querying the Account records.
- B. Use JavaScript remoting to query the accounts.
- C. Use the standard Account List controller and implement pagination.
- D. Upload a third-party data table library as a static resource.
Correct Answer: C 🗳️
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