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Updated: Jul 19, 2026
No. of Questions: 432 Questions & Answers with Testing Engine
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DEX-403E Practice Q&A's
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Salesforce DEX-403E Exam Overview:
| Certification Vendor: | Salesforce |
| Exam Name: | Declarative Development for Platform App Builders in Lightning - Extended (DEX-403E) |
| Exam Number: | DEX-403E |
| Real Exam Qty: | 60 |
| Passing Score: | 63% |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 105 minutes |
| Exam Price: | $200 USD |
| Related Certifications: | Salesforce Certified Administrator Salesforce Certified Advanced Administrator Salesforce Certified Platform Developer I |
| Available Languages: | English, Japanese, French, German, Spanish, Portuguese (Brazil) |
| Exam Format: | Multiple Choice, Multiple Select |
| Recommended Training: | Trailhead Platform App Builder Modules |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | Salesforce DEX-403E Sample Questions |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | No formal prerequisites required, but Salesforce Administrator certification is strongly recommended. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platformappbuilder |
Salesforce DEX-403E Exam Syllabus Topics:
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Frequently Asked Questions
What's the applicable operating system of the DEX-403E test engine?
Online Test Engine can supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser. You can use it on any electronic device and practice with self-paced.
Online Test Engine supports offline practice, while the precondition is that you should run it with the internet at the first time.
Self Test Engine is suitable for windows operating system, running on the Java environment, and can install on multiple computers.
PDF Version: can be read under the Adobe reader, or many other free readers, including OpenOffice, Foxit Reader and Google Docs.
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Test Engine: DEX-403E study test engine can be downloaded and run on your own devices. Practice the test on the interactive & simulated environment.
PDF (duplicate of the test engine): the contents are the same as the test engine, support printing.
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