Exam blueprints shift, and last season's study guide quietly turns into a liability. That is why ActualCollection refreshes its MuleSoft Certified Developer - Integration and API Associate (Mule 3) practice questions on a continuous basis and includes 365 days of free updates with every 2026 purchase.
MuleSoft MCD-Assoc Exam Overview:
| Certification Vendor: | MuleSoft |
|---|---|
| Exam Name: | MuleSoft Certified Developer - Integration and API Associate (Mule 3) |
| Exam Number: | MCD-Assoc |
| Exam Format: | Closed-book, Multiple-select, Proctored, Multiple-choice |
| Exam Price: | $250 USD |
| Related Certifications: | MuleSoft Certified Developer - Level 1 (Mule 4) MuleSoft Certified Integration Architect |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | 2 years |
| Passing Score: | 70% |
| Real Exam Qty: | 60 |
| Recommended Training: | Anypoint Platform Documentation MuleSoft Developer Fundamentals (FUN3) |
| Exam Registration: | Official MuleSoft Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or in-person at authorized test centers |
| Pre Condition: | No formal prerequisites; hands-on experience with Anypoint Studio and Mule 3 development recommended |
| Official Syllabus URL: | https://training.mulesoft.com/certification/developer-integration-API-associate-mule3-level1 |
MuleSoft MCD-Assoc Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Designing and Consuming APIs | 20% | - Consume and test APIs from RAML - RAML specification basics - Reusable data types and examples - Define resources, parameters, requests and responses |
| Building API Implementation Interfaces | 15% | - APIkit overview and usage - REST service implementation - Routing and request handling - Generate flows from RAML |
| Application Network Basics | 15% | - API-led connectivity and application networks - Core concepts: API, interface, implementation, consumer, invocation - Anypoint Platform components and API lifecycle - HTTP protocol fundamentals |
| Routing and Processing Events | 10% | - Batch processing - Validation and filtering - Choice, Scatter-Gather and other routers |
| Accessing and Modifying Mule Events | 15% | - Structure of Mule event and message - Use MEL and DataWeave expressions - Set payload, attributes, properties and variables - Message enrichment techniques |
| Error Handling and Deployment | 10% | - Default and custom error handlers - Testing, debugging and deployment options - On Error Continue vs Propagate |
| Structuring Mule Applications | 15% | - Global elements and configuration reuse - Property placeholders and configuration - Application organization and modularity - Flows, subflows, private flows and flow references |
MCD-Assoc (MuleSoft) Exam FAQs: What Candidates Ask Most
MuleSoft Certified Developer - Integration and API Associate (Mule 3) is an official MuleSoft exam, registered under the code MCD-Assoc. A passing score earns you the MuleSoft Certified Developer - Integration and API Associate (Mule 3) certification, positioned at the Associate level. The credential also connects to MuleSoft Certified Developer - Level 1 (Mule 4), MuleSoft Certified Integration Architect, so it can anchor a broader certification path. Because MuleSoft designs its exams around real job tasks, holding this certification signals practical skill rather than memorized theory.
Candidates face 60 questions inside a 120 minutes window on the MuleSoft Certified Developer - Integration and API Associate (Mule 3) exam. That ratio leaves little slack, which is why pacing deserves as much practice as the content itself. Learn to budget your minutes, park stubborn questions instead of wrestling them, and rehearse under a real clock: a few timed runs in the ActualCollection test engine will make the official time limit feel routine rather than threatening.
The passing bar for MuleSoft Certified Developer - Integration and API Associate (Mule 3) is set at 70%, and registering for the exam officially costs $250 USD. There is no reduced price for a second try: fail, and you pay $250 USD in full again. That makes honest self-testing the cheapest insurance available, so hold off on booking until your ActualCollection practice scores sit clearly above the passing line, attempt after attempt.
No formal prerequisites; hands-on experience with Anypoint Studio and Mule 3 development recommended
Vendor policies are revised from time to time, so double-check the eligibility details before registering on the official exam page.
Sign-up for the MuleSoft Certified Developer - Integration and API Associate (Mule 3) exam is handled through the official registration channels listed here.
One practical detail: the exam is delivered Online proctored or in-person at authorized test centers, so plan your logistics accordingly.
MuleSoft recommends the following training resources for candidates working toward MuleSoft Certified Developer - Integration and API Associate (Mule 3).
Training gives you the theory, but repetition locks it in. Pair any course with the 62 practice questions in the ActualCollection MCD-Assoc package and you will know exactly how each topic shows up on exam day.
Absolutely. A free PDF demo of the MuleSoft Certified Developer - Integration and API Associate (Mule 3) questions is available at ActualCollection, so you can inspect the quality and formatting before any money changes hands. Once you buy, updates are free for 365 days, and when that period runs out you can extend the update service at 50% off the regular price.
ActualCollection offers a 100% money-back guarantee with specific conditions. If you take the MuleSoft Certified Developer - Integration and API Associate (Mule 3) exam within 60 days of purchase and fail, you may claim a full refund, provided the exam matches your product. Sitting the exam within 3 days of purchase disqualifies a claim, as do downloaded-but-unused products, free materials, and expired orders; the candidate name must also match the payer name. To file, submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the claim is processed within 7 days. If you prefer, you can skip the refund and instead receive two other exam products of equal value at no charge while keeping the update service on your original purchase.
As for delivery: it is immediate. Your files become downloadable the moment payment completes and are also emailed to you within one minute. If nothing shows up within 2 hours, contact customer service. You may install the software on an unlimited number of computers.
MuleSoft Certified Developer - Integration and API Associate (Mule 3) is divided into 7 official domains. Among the headline areas are Routing and Processing Events (10%), Designing and Consuming APIs (20%), and Accessing and Modifying Mule Events (15%). Scroll up to the exam topics section for the full breakdown, and use it as a checklist: any line you cannot confidently explain deserves another round of practice.
MuleSoft Certified Developer - Integration and API Associate (Mule 3) Sample Questions:
Refer to the exhibit. What is the output payload in the On Complete phase?
- A. The records processed by all batch steps: [StepTwoStepOne1, StepTwoStepOne2, StepTwoStepOne3]
- B. The records processed by the last batch step: [StepTwo1, StepTwo2, StepTwo3]
- C. Summary statistics with NO record data
- D. The original payload: [1,2,3]
Correct Answer: B 🗳️
Refer to the exhibit. What DataWeave expression transforms the input to the output?
- A. Option B
- B. Option C
- C. Option D
- D. Option A
Correct Answer: D 🗳️
Refer to the exhibit. What is the correct way to create a user?
- A. Option B
- B. Option C
- C. Option D
- D. Option A
Correct Answer: D 🗳️
Refer to the exhibits. The parentFlow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP Request use default configurations.
What values areaccessible to the parent Logger at the end of parentFlow after a web client submits a request to
http://localhost:8081/order?color=red?
- A. payload
quantity var - B. payload
color query param - C. payload
quantity var
color query param - D. payload
Correct Answer: A 🗳️
Refer to the exhibits. The parentFlow contains an HTTP Request. The HTTP Listeners and HTTP Request use default configurations.
What valuesare accessible in childFlow after a web client submits a request to
http://localhost:8081/order?color=red?
- A. payload
quantity var - B. payload
color query param - C. payload
quantity var
color query param - D. payload
Correct Answer: A 🗳️
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