Free Platform-Developer-I: Salesforce Certified Platform Developer I Exam Questions and Answers
Salesforce Certified Platform Developer I is part of Salesforce certification from Salesforce, through Trailhead Academy. Salesforce credentials are organised into role families — administrator, developer, consultant, architect, designer and marketer — with current exam codes in the Trailhead Academy form Plat-Admn-201, where the trailing number marks the band: 101 foundations, 201 core, 301 advanced, 401 architect.
If you searched for Platform-Developer-I: Salesforce Certified Platform Developer I dumps, an ExamTopics discussion or a free PDF, this is the question bank for it: practice questions with verified answers and explanations, a timed practice test and updates whenever Salesforce changes the exam.
Last updated: October 15, 2026
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- First 10, with answers
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- 130 mins · 70%
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Question #1
What are two ways for a developer to execute tests in an org?
Select 2 answers.
Correct answer: A, B
Explanation
Tests can be run from the Developer Console's Test menu or programmatically through the Tooling API runTests call. Bulk API moves data and Metadata API deploys metadata, so neither executes tests.
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Question #2
Which three steps allow a custom SVG to be included in a Lightning web component? Choose 3 answers
Select 3 answers.
Correct answer: A, B, C
Explanation
Upload the SVG as a static resource, import it in JavaScript, expose it through a getter, and bind that getter in the template. A template cannot reference the imported resource directly.
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Question #3
The following automations already exist on the Account object; • A workflow rule that updates a field when a certain criteria is met • A custom validation on a field • A How that updates related contact records A developer created a trigger on the Account object. What should the developer consider while testing the trigger code?
Correct answer: D
Explanation
A workflow field update re-saves the account, so the trigger can fire again on that update within the same transaction and must handle repeated execution. Workflow field updates do not re-run validation rules.
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Question #4
When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?
Correct answer: B
Explanation
https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_scratch_orgs.htm When using SalesforceDX, a developer needs to enable Dev Hub in order to create and manage scratch orgs. A Dev Hub is a special type of org used by developers to store source code and other development-related artifacts. It is also used to create and manage scratch orgs, which are temporary orgs used for development and testing. Reference: https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_intro.htm
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Question #5
A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component. In which two ways can this be accomplished? Choose 2 answers
Select 2 answers.
Correct answer: C, D
Explanation
Data flows from parent to child through @api public properties or by calling a public @api method on the child. Custom events travel upward from child to parent, and an Apex controller is not a component communication channel.
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Question #6
Universal Containers has a support process that allows users to request support from its engineering team using a custom object, Engineering_Support__c. Users should be able to associate multiple engineering_Support__c records to a single Opportunity record. Additionally, aggregate Information about the Engineering_support__c records should be shown on the Opportunity record. What should a developer Implement to support these requirements?
Correct answer: A
Explanation
Making Engineering_Support__c the detail of Opportunity allows many support records per opportunity and lets a roll-up summary aggregate them on the opportunity. A lookup from Opportunity down cannot roll up child values.
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Question #7
Cloud kicks has a muli-screen flow its call center agents use when handling inbound service desk calls. At one of the steps in the flow, the agents should be presented with a list of order number and dates that are retrieved from an external odrer management system in real time and displayed on the screen. What shuold a developer use to satisfy this requirement?
Correct answer: A
Explanation
An @InvocableMethod performs the HTTP callout to the order management system and returns the order numbers and dates that the flow screen displays. Outbound messages and Apex REST classes serve messaging, not flow screen data.
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Question #8
Since Aura application events follow the traditional publish-subscribe model, which method is used to fire an event?
Correct answer: C
Explanation
An Aura event is fired by calling fire() on the event instance, as in cmp.getEvent('myEvent').fire(). emit, registerEvent, and fireEvent belong to other frameworks.
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Question #9
A developer wants to mark each Account in a List<Account> as either or Inactive based on the LastModified field value being more than 90 days. Which Apex technique should the developer use?
Correct answer: D
Explanation
Looping over the accounts and using if/else inside sets each status in one pass. A switch statement only compares discrete values, so it cannot evaluate a date comparison.
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Question #10
For which three items can a trace flag be configured? Choose 3 answers
Select 3 answers.
Correct answer: C, D, E
Explanation
A trace flag can target a user, a specific Apex class, or an Apex trigger. Visualforce and Process Builder are not traceable entities.
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Discussion
Explain your reasoning, not just the letterOther Salesforce certifications
- ADM-201: Administration Essentials for New Admins (opens in a new tab)
- Certified Sales Cloud Consultant (opens in a new tab)
- Certified Platform Developer II (opens in a new tab)
- ADM-211: Administration Essentials for Experienced Admin (opens in a new tab)
- Certified Platform App Builder (opens in a new tab)
- CRT-450: Salesforce Certified Platform Developer I (opens in a new tab)
- Certified Business Analyst (opens in a new tab)
- Certified Marketing Cloud Email Specialist (opens in a new tab)
- Certified Development Lifecycle and Deployment Architect: Certified Development Lifecycleand Deployment Architect (opens in a new tab)
- Certified Industries CPQ Developer (opens in a new tab)
- Certified Tableau CRM and Einstein Discovery Consultant (opens in a new tab)
- Certified Service Cloud Consultant: Salesforce Certified Service Cloud Consultant (opens in a new tab)
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FAQ
Learn More: https://trailhead.salesforce.com/en/credentials/administratoroverview/
- Q1: What is the Platform-Developer-I: Salesforce Certified Platform Developer I exam?
- A: Platform-Developer-I: Salesforce Certified Platform Developer I is a Salesforce certification exam. Judging by the questions in our bank, it concentrates on developer, apex, object, visualforce and lightning.
- Q2: What topics does the Platform-Developer-I: Salesforce Certified Platform Developer I exam cover?
- A: Questions in our Platform-Developer-I: Salesforce Certified Platform Developer I bank cluster around developer, apex, object, visualforce, lightning, trigger, class and salesforce. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for Platform-Developer-I: Salesforce Certified Platform Developer I?
- A: Work through the Platform-Developer-I: Salesforce Certified Platform Developer I practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real Platform-Developer-I: Salesforce Certified Platform Developer I exam questions?
- A: They are drawn from officially released past questions and from community members who have sat Platform-Developer-I: Salesforce Certified Platform Developer I. Answers are verified and updated weekly.
- Q5: Where do I register for the Platform-Developer-I: Salesforce Certified Platform Developer I exam?
- A: Register through Salesforce directly. Exampractice is not affiliated with Salesforce and does not administer the exam.
- Q6: Is there a free Platform-Developer-I: Salesforce Certified Platform Developer I sample?
- A: Yes. Every Platform-Developer-I: Salesforce Certified Platform Developer I page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Salesforce Certification Exams?
- A: Salesforce Certification Exams validate your expertise in using and managing Salesforce’s customer relationship management (CRM) platform. These certifications demonstrate your proficiency in deploying, configuring, and optimizing Salesforce applications to drive business growth and customer engagement.
- Q8: Why should I pursue Salesforce Certification?
- A: Salesforce Certification enhances your professional credibility, showcasing your skills and knowledge in Salesforce solutions. This can lead to better job opportunities, higher salaries, and career advancement in CRM, cloud computing, and IT management roles.
- Q9: What are the benefits of Salesforce Certification?
- A: Benefits include recognition as a certified Salesforce professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Salesforce technologies and best practices.
- Q10: Who should take Salesforce Certification Exams?
- A: CRM administrators, developers, consultants, sales and marketing professionals, and anyone involved in managing and implementing Salesforce solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Salesforce Certification Exams are available?
- A: Salesforce offers various certification paths, including:
- Q12: How do I prepare for Salesforce Certification Exams?
- A: Preparation can include official Salesforce training courses, study guides, practice exams, online tutorials, and hands-on experience with Salesforce products and solutions.
- Q13: Where can I take Salesforce Certification Exams?
- A: Salesforce Certification Exams can be taken online with remote proctoring or at authorized testing centers worldwide, providing flexibility to fit your schedule and location.
- Q14: How do Salesforce Certifications impact my career?
- A: Salesforce Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in CRM, cloud computing, and IT management.
- Q15: Are there any prerequisites for Salesforce Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience with Salesforce products. Check the specific requirements for each certification path on the Salesforce certification website.
- Q16: How often do I need to recertify for Salesforce Certifications?
- A: Salesforce Certifications typically require recertification annually to ensure that certified professionals stay updated with the latest Salesforce technologies and industry practices.