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Updated: Aug 21, 2026
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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 Format: | Multiple-choice, Multiple-select |
| Passing Score: | 70% |
| Real Exam Qty: | 60-65 |
| Certificate Validity Period: | 2 years |
| Exam Price: | USD 200 |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Related Certifications: | Salesforce Certified Platform Developer I |
| Recommended Training: | Trailhead Platform Developer II Learning Path |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | Salesforce Plat-Dev-301 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized testing centers |
| Pre Condition: | Must hold Salesforce Certified Platform Developer I certification; also requires completion of 4 Superbadges: Apex Specialist, Data Integration Specialist, Aura Components Specialist, Advanced Apex Specialist |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/platformdevii |
Salesforce Plat-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Developer Fundamentals | 15% | - Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features |
| Testing, Debugging, and Deployment | 20% | - Deployment strategies, CI/CD, and change management - Advanced testing strategies and test frameworks - Debugging and error handling across layers |
| User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality - Optimize UI performance and usability |
| Logic, Process Automation, and Integration | 27% | - REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design |
| Performance and Data Management | 18% | - Governor limits optimization and best practices - Optimize queries and handle large data volumes - Data modeling and complex data operations |
Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:
1. A developer is building a Lightning web component that retrieves data from Salesforce and assigns it to the record property.
What must be done in the component to get the data from Salesforce? A)
B) C)
A) Option A
B) Option B
C) Option C
2. A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.
To optimize the performance and avoid timeouts, which technique should be used?
A) Use the @future annotation to make the callout asynchronous.
B) Use a chained batch Apex to split the data into smaller batches.
C) Increase the timeout limit in the callout options,
D) Implement an asynchronous callout using the Continuation class,
3. Consider the following code snippet:
Which two steps should the developer take to add flexibility to change the endpoint and credentials without needing to modify code? Choose 2 answers
A) Create a Named Credential, endPcint_wc, ta store the endpoint and credentials.
B) Store the URL of the endpoint in a custom Label named endpointuRL.
C) Use req. setindpoint ('callout:endFoint_NC'); within the callout request.
D) Use red. setEndpoint (Label.endPointURL) ;.
4. An Apex trigger creates an order co record every time an Opportunity is won by a Sales Rep. Recently the trigger is creating two orders.
What is the optimal technique for 2 developer to troubleshoot this?
A) Disable all flows, and then re-enable them one at at time to see which one causes the error.
B) Run the Apex Test Classes for the Apex trigger to ensure the code still has sufficient code coverage.
C) Set up debug logging for every Sales Rep, then monitor the logs for errors and exceptions,
D) Add system.debug() statements to the code and use the Developer Console logs to trace the code.
5. A developer is creating a Lightning web component to display a calendar. The component will be used in multiple countries. In some locales, the first day of the week is a Monday, or a Saturday, or a Sunday. 'What should the developer do to ensure the calendar displays accurately for users in every locale?
A) Query the FirstDayofweek field from the Locale for the current user.
B) Use a custom metadata type to store key/value pairs.
C) Use UserInfo.getLocale() in the component.
D) Import the @salesforce/i18n module and use the firstdayofweek internationalization property.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B,C | Question # 4 Answer: D | Question # 5 Answer: D |
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