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Every candidate studies differently, so ExamsTorrent offers the Salesforce Declarative Development for Platform App Builders in Lightning Experience practice questions in three formats: a printable PDF, a desktop test engine for Windows, and an online test engine that runs in any browser. Pick the format that fits your routine for the DEX-403 exam — or use all three together.
Salesforce DEX-403 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Declarative Development for Platform App Builders in Lightning Experience |
| Exam Number: | DEX-403 |
| Passing Score: | 68% |
| Related Certifications: | Salesforce Administrator (ADM-201) Platform App Builder (CRT-403) |
| Exam Duration: | 105 minutes |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | $200 USD |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 60 |
| Sample Questions: |  |
| Exam Way: | Online proctored exam (Webassessor) or in-person testing center |
| Pre Condition: | Recommended: Completion of the declarative development modules on Trailhead, particularly 'Platform App Builder' superbadge prerequisites. Basic understanding of Salesforce CRM concepts is beneficial but not mandatory. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/datamodeling |
Salesforce DEX-403 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Screen Flows | 10% | - Logic Elements - Flow Variables and Resources - Flow Debugging and Testing - Screen Elements - Flow Builder Basics |
| Topic 2: Data Modeling | 12% | - Custom and Standard Fields - Data Types and Field Types - Relationship Fields (Lookup, Master-Detail) - Schema Builder - Custom and Standard Objects |
| Topic 3: Object Design and Logic | 12% | - Roll-up Summary Fields - Validation Rules - Business Logic Implementation - Formula Fields - Record Types |
| Topic 4: Sharing and Visibility | 10% | - Account Team and Opportunity Team - Manual Sharing - Organization-Wide Defaults - Sharing Rules - Role Hierarchy |
| Topic 5: User Interface | 10% | - Compact Layouts - Lightning App Builder - Lightning Record Pages - Page Layouts - Lightning Page Types |
| Topic 6: Data Management | 8% | - Data Export - Data Loader - Data Import Wizard - Duplicate Rules and Matching Rules |
| Topic 7: Reports and Dashboards | 10% | - Report Summaries and Charts - Custom Report Types - Report Types - Dashboard Components - Report Builder |
| Topic 8: Approval Processes | 8% | - Approval Process Components - Approval Workflow - Process Builder Integration - Approval Actions |
| Topic 9: Deployment Tools | 12% | - Sandbox Types and Uses - Salesforce DX (Optional) - Change Sets - Metadata API Basics |
| Topic 10: Salesforce Mobile App | 8% | - Mobile Actions - Salesforce Mobile App Configuration - Mobile Navigation - Mobile Optimized Layouts |
Salesforce Declarative Development for Platform App Builders in Lightning Experience (DEX-403) — Questions Candidates Actually Ask
The DEX-403 exam, officially known as Salesforce Declarative Development for Platform App Builders in Lightning Experience, is the Salesforce test that leads to the Salesforce Platform APP Builder certification at the Associate / Beginner level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Salesforce Administrator (ADM-201), Platform App Builder (CRT-403).
The DEX-403 exam contains 60 questions, and you have 105 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the ExamsTorrent test engines are the most reliable way to build that rhythm.
The passing score for the DEX-403 exam is 68%, and the official registration fee is $200 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Recommended: Completion of the declarative development modules on Trailhead, particularly 'Platform App Builder' superbadge prerequisites. Basic understanding of Salesforce CRM concepts is beneficial but not mandatory.
Entry requirements can change, so confirm the latest conditions on the official exam page: https://trailhead.salesforce.com/credentials/datamodeling.
Yes. A free PDF demo of the Salesforce Declarative Development for Platform App Builders in Lightning Experience questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding DEX-403 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Salesforce Declarative Development for Platform App Builders in Lightning Experience outline is organized into 10 domains. The first three are:
- User Interface — 10% of the exam
- Object Design and Logic — 12% of the exam
- Deployment Tools — 12% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
Salesforce Declarative Development for Platform App Builders in Lightning Experience Sample Questions:
Universal Containers' app builder has been tasked with replacing workflow rules and Apex triggers with Process Builders where possible.
What are two important considerations an app builder should know before the project is started?
Choose 2 answers
- A. Combine actions when possible.
- B. Apex has a different SOQL query limit than Flow.
- C. Create a process for each workflow rule.
- D. Avoid generating infinite loops.
Correct Answer: A,D 🗳️
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DreamHouse Realty (DR) employees started using company-owned airplanes for work travel after Ursa Major Solar was acquired. DR executives want to automate the submission travel request forms to enforce the Internal policy.
How should an app builder automate travel requests based on these criteria?
- A. Workflow rule
- B. Approval process
- C. Process Builder
- D. Apex
Correct Answer: B 🗳️
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DreamHouse Realty wants to make sure an Opportunity has a field Expected_Close_Date_c populated before it is allowed to enter the qualified stage.
How should an app builder solution this request?
- A. Record Type
- B. Page Layout
- C. Validation Rule
- D. Activity History
Correct Answer: C 🗳️
Explanation: Only visible for ExamsTorrent members. You can sign-up / login (it's free).
Universal Containers has a Lightning record page that supports both the mobile app and desktop. An app builder has downloaded a custom Lightning component from AppExchange, but users are unable to view the component on mobile devices.
What can be the issue?
- A. The component needs to be activated.
- B. The record page template is unable to support mobile devices.
- C. The component has been developed for Desktop Pages.
- D. The record page needs to be activated.
Correct Answer: C 🗳️
Explanation: Only visible for ExamsTorrent members. You can sign-up / login (it's free).
A new app builder on the Cloud Kicks team is getting familiar with relationships in the data model.
What functionality would present the app builder a comprehensive view of all relationships in one pi
- A. Lightning Record Page
- B. Lightning Object Creator
- C. Schema Builder
- D. Object Manager
Correct Answer: C 🗳️
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