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Salesforce Plat-Dev-201 : Salesforce Certified Platform Developer
- Exam Code: Plat-Dev-201
- Exam Name: Salesforce Certified Platform Developer
- Updated: Oct 16, 2026
- Q & A: 240 Questions and Answers
About Salesforce Plat-Dev-201 Exam
Updates arrive without you asking. In 2026, the Prep4away experts check the Salesforce Certified Platform Developer exam daily, and the system sends revisions automatically during your 365-day update period.
Salesforce Plat-Dev-201 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| User Interface | 20% | - Lightning Web Components development - UI security and access control - Component events and communication - Visualforce pages and components |
| Process Automation and Logic | 27% | - SOQL, SOSL and DML operations - Exception handling and transaction management - Business logic with Apex classes, triggers and methods - Flow and process builder automation |
| Testing, Debugging and Deployment | 20% | - Debugging tools and techniques - Writing Apex and Flow test classes - Continuous integration and delivery - Deployment tools and strategies |
| Developer Fundamentals | 27% | - Multi-tenant architecture and design frameworks - Data modeling, objects, fields and relationships - Declarative vs programmatic customization - Governor limits and best practices |
| Performance and Security | 6% | - Data security and sharing model - Performance optimization |
Plat-Dev-201 Exam FAQ — Install Anywhere, Learn Everywhere
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 240 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The Salesforce Certified Platform Developer exam requires 68% to pass, and registration costs US$200. A failed attempt means paying the same fee again — a readiness check with the Prep4away engines before booking is the cheaper option.
The Plat-Dev-201 exam is a Salesforce certification exam validating the Salesforce Certified Platform Developer syllabus shown above. It belongs to these credential paths: Salesforce Certified Platform Developer II. Candidates in 2026 start with Prep4away's 240 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Prep4away issues a full refund if you take the Salesforce Certified Platform Developer exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The official Salesforce Certified Platform Developer outline defines 5 domains. The leading three are Performance and Security (6%), Testing, Debugging and Deployment (20%), and Process Automation and Logic (27%). The full list is in the topics section above, and Prep4away's 240 practice questions cover each one.
No prerequisites required Since requirements change over time, confirm the latest on the official Salesforce exam page before scheduling.
The Salesforce Certified Platform Developer exam contains 60-65 to complete within 105 minutes. Timed simulation in the Prep4away Desktop Test Engine teaches that rhythm before exam day does.
Salesforce recommends these training resources for the Salesforce Certified Platform Developer exam:
- Prepare for Your Salesforce Platform Developer I Credential
- Build Applications Programmatically on the Salesforce Platform (DEX450)
Follow the training with steady self-testing — the 240 practice questions from Prep4away help you apply theory and fill any gaps the training leaves.
Online proctored or onsite testing center Register for the Salesforce Certified Platform Developer exam through these official channels:
After booking, Prep4away delivers your practice questions within 1 minute — preparation starts the same day.
Salesforce Certified Platform Developer Sample Questions:
Question #1
A developer created a trigger on the Account object. While testing the trigger, the developer sees the error message 'Maximum trigger depth exceeded'.
What could be the possible causes?
- A. The trigger is getting executed multiple times.
- B. The trigger is a a helper class.
- C. The developer does not have the correct user permission.
- D. The trigger does not have sufficient code coverage.
Correct Answer: A 🗳️
Question #2
Which three statements are true regarding custom exceptions in Apex? (Choose three.)
- A. A custom exception class cannot contain member variables or methods.
- B. A custom exception class can extend other classes besides the Exception class.
- C. A custom exception class name must end with "Exception".
- D. A custom exception class must extend the system Exception class.
- E. A custom exception class can implement one or many interfaces.
Correct Answer: B,C,E 🗳️
Question #3
Universal Hiring uses Salesforce to capture job applications. A salesforce administrator created two custom objects; Job__c acting as the maste object, Job _Application__c acting as the detail.
Within the Job ___c object, a custom multi-select picklist, preferred Locations __c, contains a list of approved states for the position. Each Job_Application__c record relates to a Contact within the system through a master-detail relationship.
Recruiters have requested the ability to view whether the Contact's Mailing State value matches a value selected on the Preferred_Locations__c field, within the Job_Application__c record. Recruiters would like this value to be kept in sync if changes occur to the Contact's Mailing State.
What is the recommended tool a developer should use to meet the business requirement?
- A. Roll-up summary field
- B. Apex trigger
- C. Formula field
- D. Record-triggered flow
Correct Answer: D 🗳️
Question #4
A developer considers the following snippet of code:
Based on this code, what is the value of x?
- A. 3
- B. 2
- C. 4
- D. 1
Correct Answer: C 🗳️
Question #5
A developer must perform a complex SOQL query that joins two objects in a Lightning component.
How can the Lightning component execute the query?
- A. Invoke an Apex class with the method annotated as &AuraEnabled to perform the query.
- B. Create a flow to execjte the query and invoke from the Lightning component
- C. Use the Salesforce Streaming API to perform the SOQL query.
- D. Write the query in a custom Lightning web component wrapper ana invoke from the Lightning component,
Correct Answer: D 🗳️
Viewing page 1 out of 48 pages.
Viewing questions 1-5 out of 240 questions.
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