Platform Developer I Practice Exams

PDI

⭐ Most popularIntermediateProfessionalDeveloper

Develop custom logic with Apex, Visualforce and Lightning Components on the Salesforce Platform.

105

minutes

68%

passing score

$200

exam fee

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5 flashcard sets · 5 learning tests · 5 timed exams · 30-question bank

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Overview

What this certification is and how the exam works.

The Salesforce Certified Platform Developer I validates programmatic development on the platform: Apex classes and triggers, SOQL/SOSL, Lightning Web Components, testing with 75% coverage, and deployment. The exam has 60 questions in 105 minutes.

Why should I take the exam?

What this credential does for your career.

1The gateway credential for Salesforce developer roles — one of tech's best-paying specializations
2Validates Apex and LWC skills that only the platform can teach
3Salesforce developers are scarce relative to demand, keeping rates high
4Leads to Platform Developer II and technical architect tracks

Skills measured

What you need to know to pass this exam.

✓Write Apex classes, triggers, and SOQL/SOSL queries
✓Apply Salesforce data modeling and declarative vs. programmatic trade-offs
✓Build user interfaces with Lightning Web Components and Visualforce
✓Write Apex unit tests and meet code-coverage requirements
✓Debug and deploy code across environments

About our PDI practice exams

Our Platform Developer I PDI question bank holds 30 exam-style questions with a written explanation on every answer, mapped to the four exam domains published for PDI, covering Developer Fundamentals, Process Automation and Logic, User Interface and Testing, Debugging, and Deployment.

Alongside the bank there are five full-length timed exams at the real 105-minute limit and 68% pass mark, plus five topic-based learning tests for working a single domain at a time. Randomised mock exams are dealt on demand from the full 30-question pool, so you never run out of fresh papers.

Questions: 30
Exam domains: 4
Timed exams: 5
Pass mark: 68%

How our practice content is created

Practice questions are independently developed using the official Salesforce PDI exam guide and Salesforce documentation. Each question is checked for alignment with the current exam objectives and reviewed for technical accuracy before publication.

The PDI bank cites 30 distinct Salesforce documentation pages, and every question links the source it was written against — so you can check any answer at first hand.

Official PDI exam guide

Salesforce is a trademark of its respective owner. This is an independent study resource and is not affiliated with, endorsed by, or authorised by Salesforce.