Last Updated: Sep 12, 2026
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| Certification Vendor: | Appian |
|---|---|
| Exam Name: | Appian Certified Lead Developer |
| Exam Number: | ACD-301 |
| Available Languages: | English |
| Exam Price: | $250 USD |
| Passing Score: | 54% |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Appian Certified Associate Developer Appian Certified Senior Developer |
| Exam Format: | Single Choice, Multiple Choice, Sequence questions, Match the lists |
| Real Exam Qty: | 45 |
| Exam Duration: | 90 minutes |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam via Meazure Learning |
| Pre Condition: | Must hold Appian Certified Associate Developer (ACD-101) and Appian Certified Senior Developer (ACD-201) certifications. |
| Official Syllabus URL: | https://community.appian.com/learn/certifications/p/lead-developer |
| Section | Objectives |
|---|---|
| Project and Resource Management | - Interpret client requirements and recommend technical design options - Recommend the protocols and procedures involved in Appian governance - Manage and lead essential activities across an Agile team |
| Data Management | - Analyze and design secure data models - Diagnose and troubleshoot data fabric complexities - Analyze, evaluate, and troubleshoot high-volume database structures - Determine the best way to leverage data fabric, data types, and data migration - Plan, execute, and troubleshoot data migrations - Implement advanced database features |
| Extending Appian | - Evaluate advanced document generation options - Program advanced APIs that allow Appian to communicate with external systems - Evaluate existing plug-ins and recognize when to develop custom plug-ins - Evaluate and implement authentication using connected systems - Design and troubleshoot advanced integrations |
| Application Design and Development | - Implement best practices for multiple application development - Design applications leveraging Appian functionality - Evaluate and design applications for consistency and reusability - Evaluate how Appian can meet user requirements |
| Platform Management | - Schedule, execute, and troubleshoot application deployments across environments - Implement administration console settings - Describe basic platform enterprise architecture and how it's used - Troubleshoot and resolve issues at the environment level, involving Appian Support when necessary |
| Proactively Design for Scalability and Performance | - Monitor and troubleshoot issues at the application level - Build and maintain scalable applications - Design and implement performant Appian components - Plan and evaluate load testing |
The Appian Certified Lead Developer exam is the official Appian assessment behind the Appian Certification Program credential, which sits at the Expert level. Passing it confirms that your skills meet the vendor's current requirements rather than a textbook outline. It also connects with related certifications such as Appian Certified Associate Developer, Appian Certified Senior Developer, so it can anchor a broader certification path.
According to the official exam information, the Appian Certified Lead Developer exam includes 45 questions and gives you 90 minutes to complete them. Treat that as a pacing exercise, not just a knowledge check: bank the questions you know first, flag the ones that stall you, and circle back instead of burning minutes on a single item. Before test day, run at least one full timed session in the Actual4Cert desktop or online test engine, so the clock never feels unfamiliar when it counts.
To pass the Appian Certified Lead Developer exam you need 54%, and the official registration fee is $250 USD. Keep one thing in mind: a failed attempt is not discounted, so retaking the exam means paying $250 USD again in full. A practical safeguard is to sit a complete Actual4Cert practice test a week or two before your exam date; if your timed scores are not sitting comfortably above the passing mark, consider pushing your booking back and drilling the weak domains first.
The official prerequisites for the Appian Certified Lead Developer exam are as follows: Must hold Appian Certified Associate Developer (ACD-101) and Appian Certified Senior Developer (ACD-201) certifications.. Requirements can change over time, so confirm the details on the official Appian exam page at https://community.appian.com/learn/certifications/p/lead-developer before you book your seat.
Yes. A free PDF demo of the Appian Certified Lead Developer practice questions is available on the Actual4Cert samples page, so you can check the question style and difficulty before spending anything. Every purchase also includes 365 days of free updates, and if your product expires after that period, you can extend the update service from your member zone at 50% off.
If you take the ACD-301 exam within 60 days of your purchase and do not pass, Actual4Cert offers a 100% money-back guarantee: send a scanned copy of your exam enrollment slip together with the official Score Report PDF within two days of your exam date, and the refund is processed within seven days. The candidate name must match the payer name, and the guarantee does not apply to exams taken within three days of purchase, to material that was downloaded without the exam actually being taken, or to free materials and expired orders. Prefer to keep studying instead? You can exchange your purchase for two additional exam products of equal value, free of charge, while keeping the update service on your original product. Delivery itself is instant: the download link is emailed within one minute of payment, and if nothing arrives within two hours, our support team will sort it out. There is no limit on how many computers you install the material on.
The Appian Certified Lead Developer syllabus is organized into 6 domains. The leading areas include Application Design and Development, Platform Management, and Proactively Design for Scalability and Performance. For the complete, topic-by-topic breakdown, scroll up to the Exam Topics section above.
Users must be able to navigate throughout the application while maintaining complete visibility in the application structure and easily navigate to previous locations. Which Appian Interface Pattern would you recommend?
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You are planning a strategy around data volume testing for an Appian application that queries and writes to a MySQL database. You have administrator access to the Appian application and to the database. What are two key considerations when designing a data volume testing strategy?
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You are reviewing the Engine Performance Logs in Production for a single application that has been live for six months. This application experiences concurrent user activity and has a fairly sustained load during business hours. The client has reported performance issues with the application during business hours.During your investigation, you notice a high Work Queue - Java Work Queue Size value in the logs. You also notice unattended process activities, including timer events and sending notification emails, are taking far longer to execute than normal.The client increased the number of CPU cores prior to the application going live.What is the next recommendation?
As part of an upcoming release of an application, a new nullable field is added to a table that contains customer dat a. The new field is used by a report in the upcoming release and is calculated using data from another table.
Which two actions should you consider when creating the script to add the new field?
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You need to generate a PDF document with specific formatting. Which approach would you recommend?
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