From a free demo to 2026 updates and a 60-day money back guarantee, Actual4Exams covers the full ACD300 preparation journey. Get the 37 Appian Certified Lead Developer practice questions in PDF, desktop, or online format and study on your own terms.
Appian ACD300 Exam Overview:
| Certification Vendor: | Appian |
|---|---|
| Exam Name: | Appian Certified Lead Developer |
| Exam Number: | ACD300 |
| Exam Price: | $250 USD |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Scenario-Based, Multiple Response, Multiple Choice |
| Related Certifications: | Appian Certified Senior Developer |
| Real Exam Qty: | 35–45 |
| Passing Score: | Not officially published (approx. 70%) |
| Certificate Validity Period: | 18 months |
| Recommended Training: | Appian Official Training Appian Community Learning |
| Exam Registration: | Appian Certification Portal Meazure Learning Scheduling |
| Sample Questions: |  |
| Exam Way: | Online proctored or in-person testing center via Meazure Learning |
| Pre Condition: | Appian Certified Senior Developer certification + 2+ years of hands-on Appian experience |
| Official Syllabus URL: | https://community.appian.com/learn/certifications/p/lead-developer |
Appian ACD300 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Application Design & Best Practices | 20% | - Modular design & reusability - Error handling & maintainability - Security architecture & role-based access |
| Topic 2: Governance & Project Leadership | 10% | - Deployment & change management - Agile delivery & team leadership - Standards & development guidelines |
| Topic 3: Integrations & Extensions | 20% | - Plug-ins & custom extensions - Authentication & security protocols - Advanced connected systems & APIs |
| Topic 4: Advanced Data Management | 25% | - Data security, governance & migration - Appian Data Fabric & relational database optimization - Data modeling & CDT design |
| Topic 5: Architecture & Scalability | 25% | - Load testing & concurrency management - Design for performance and high availability - Environment strategy & deployment topology |
Common Questions About the Appian ACD300 Exam
The ACD300 exam, officially known as Appian Certified Lead Developer, is the Appian test that leads to the Appian Certified Lead Developer certification at the Lead / Advanced level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Appian Certified Senior Developer.
The ACD300 exam contains 35–45 questions, and you have 90 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 Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the ACD300 exam is Not officially published (approx. 70%), and the official registration fee is $250 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.
Appian Certified Senior Developer certification + 2+ years of hands-on Appian experience
Entry requirements can change, so confirm the latest conditions on the official exam page: https://community.appian.com/learn/certifications/p/lead-developer.
You can book the ACD300 exam through the official registration channels below:
Exam delivery: Online proctored or in-person testing center via Meazure Learning. Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
Appian recommends the following training options for Appian Certified Lead Developer candidates:
Pair any course with the 37 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the Appian Certified Lead Developer 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 ACD300 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 Appian Certified Lead Developer outline is organized into 5 domains. The first three are:
- Advanced Data Management — 25% of the exam
- Integrations & Extensions — 20% of the exam
- Architecture & Scalability — 25% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
Appian Certified Lead Developer Sample Questions:
Review the following resultof an explain statement:
Which two conclusions can you draw from this?
- A. The worst join is the one between the table order_detail and customer
- B. The join between the tables 0rder_detail and productneeds to be fine-tuned due to Indices
- C. The request is good enough to support a high volume of data. but could demonstrate some limitations if the developer queries information related to the product
- D. The join between the tables order_detail, order and customerneeds to be tine-tuned due to indices.
- E. The worst join isthe one between the table order_detail and order.
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You add an index on the searched field of a MySQL table with many rows (>100k).
The field would benefit greatly from the Index in which three scenarios?
- A. The Add contains Dig integers, above and below 0.
- B. The field contains long unstructured text such as a hash
- C. The field contains a structured JSON.
- D. The field contains a textual shot Business code.
- E. The field contains many datetimes, covering a large range
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You are asked to design a case management system for a client in addition to storing some basic metadata about a case, one of the client s requirements Is the ability for users to update a case The client would like any user in their organization of 500 people to be able to make these updates The users are all based in the company's headquarters, and there will be frequent cases where users are attempting to edit the same case. The client wants to ensure no information Is lost when these edits occur and does not want the solution to burden their process administrators with any additional effort.
Which data locking approach should you recommend?
- A. Use the database lo implement tow lewd pessimistic locking.
- B. Allow edits without locking the case GDI
- C. Add an Version annotation to the case COT to manage Vie locking
- D. Design a process report and query to determine who opened the edit form first
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You are reviewing the Engine Performance Logs in Production for a single application thathas 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 notifications 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?
- A. Add execution and analytics shards
- B. Optimize slow-performing user interfaces.
- C. Add more application servers.
- D. Add more engine replicas.
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This means that if due to any reason you are not able to pass the ACD300 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.
