MuleSoft : MCD-Level1-Delta Questions & Answers

Last Updated: Oct 15, 2026

No. of Questions: 102 Questions & Answers with Testing Engine

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Finding time to prepare for the MuleSoft Certified Developer - Level 1 (Mule 4) DELTA exam is hard when work already fills your week. ActualTorrent packs 102 focused practice questions for the MCD-Level1-Delta exam into formats you can study in short bursts, so every spare half hour moves you closer to a pass.

MuleSoft MCD-Level1-Delta Exam Overview:

Certification Vendor:MuleSoft
Exam Name:MuleSoft Certified Developer - Level 1 (Mule 4) DELTA
Exam Number:MCD-Level1-Delta
Exam Price:$75 USD
Real Exam Qty:30-40
Certificate Validity Period:2 years
Exam Format:Multiple Choice, Multiple Response
Related Certifications:MuleSoft Certified Developer - Level 1 (Mule 4)
Available Languages:English
Passing Score:70%
Exam Duration:90 minutes
Recommended Training:Anypoint Platform Development: Mule 4 for Mule 3 Users
MCD-Level1-Delta Exam Prep Guide
Exam Registration:MuleSoft Certification Portal
Webassessor Registration
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored or onsite at authorized test centers
Pre Condition:Must hold a valid MuleSoft Certified Developer - Level 1 (Mule 3) certification
Official Syllabus URL:https://training.mulesoft.com/certification/mcd-level1-delta

MuleSoft MCD-Level1-Delta Exam Syllabus Topics:

SectionWeightObjectives
Deployment & Management10%- Monitoring and troubleshooting
- Configuration properties
- CloudHub deployment
API Design & Implementation20%- RAML and API specification
- API implementation patterns
- Anypoint Platform integration
Core Mule 4 Concepts & Updates30%- Mule 4 runtime architecture changes
- Event model and message structure
- Application structure and configuration
Data Transformation with DataWeave25%- JSON, XML, CSV and other format conversions
- DataWeave 2.0 syntax and functions
- Reusable modules and functions
Error Handling & Routing15%- Validation and fault tolerance
- Scopes and routers
- Error handling framework

MuleSoft MCD-Level1-Delta Exam — Your Questions, Answered

The MCD-Level1-Delta exam, officially titled MuleSoft Certified Developer - Level 1 (Mule 4) DELTA, is the MuleSoft exam you pass to earn the MuleSoft Certified Developer - Level 1 (Mule 4) certification, a credential at the Associate level. Passing it confirms the skills defined in the official exam outline, and it is associated with related credentials such as MuleSoft Certified Developer - Level 1 (Mule 4).

The MCD-Level1-Delta exam includes 30-40 questions and gives you 90 minutes to finish them. That is a tight pace per question, so get used to reading each stem once, flagging anything uncertain, and moving on rather than getting stuck. Running timed practice tests in the ActualTorrent desktop or online test engine is the most reliable way to build that rhythm before exam day.

The passing score for the MCD-Level1-Delta exam is 70%, and the official registration fee is $75 USD. Keep in mind that a failed attempt means paying $75 USD again in full to retake it, so book your slot only when your scores on ActualTorrent practice tests sit consistently above the passing line.

MuleSoft lists the following prerequisites or eligibility notes for the MCD-Level1-Delta exam: Must hold a valid MuleSoft Certified Developer - Level 1 (Mule 3) certification. Requirements can change over time, so confirm the details on the official exam page at MuleSoft's official site before you register.

You can register for the MCD-Level1-Delta exam through the official channels below:

The exam is delivered in the following format: Online proctored or onsite at authorized test centers. Choose a date that leaves you enough time to work through the full 102-question practice set first.

MuleSoft recommends the following training resources for MCD-Level1-Delta candidates:

Official courses build the theory, and the 102 practice questions from ActualTorrent help you turn that theory into exam-ready speed and accuracy.

Yes. ActualTorrent offers a free PDF demo of the MCD-Level1-Delta material, so you can check the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.

Your purchase is protected by a 100% Money Back Guarantee with clear conditions: if you take the corresponding MCD-Level1-Delta exam within 60 days of purchase and do not pass, you can apply for a full refund. The candidate name must match the payer name, and you need to submit a scanned exam enrollment slip together with the official Score Report PDF within 2 days of taking the exam; claims are processed within 7 days. Sitting the exam within 3 days of purchase, downloading without taking the exam, free materials, and expired orders are not covered. If you would rather not take a refund, you can exchange your order for two free exam products of equal value and keep the update service on your original purchase.

Delivery is instant: your download links are emailed within one minute of payment, and you can also download directly from the website. If nothing arrives within 2 hours, contact customer service and check your spam folder. There is no limit on how many computers you can install the material on.

The MCD-Level1-Delta exam blueprint is divided into 5 domains, starting with API Design & Implementation (20%); Deployment & Management (10%); Data Transformation with DataWeave (25%). For the complete domain-by-domain breakdown, see the Exam Topics section above — it lists every topic the current outline covers.

MuleSoft Certified Developer - Level 1 (Mule 4) DELTA Sample Questions:

Question #1

Refer to the exhibit. The Batch Job processes, filters and aggregates records, What is the expected output from the Logger component?

  • A. [20, 40, 60]
  • B. [10. 20, 30. 40, 50, 60]
  • C. [10. 20] [30, 40] [50, 60]
  • D. [20. 40] [60]
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

Refer to the exhibit.

What is the correct syntax to add an employee ID as a URI parameter in an HTTP Listener path?

  • A. {employeelD}
  • B. (employeelD)
  • C. ${emp!oyeelD}
  • D. # [employeelD]
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

Refer to the exhibits.

The two Mule configuration files belong to the same Mule project. Each HTTP Listener is configured with the same host string and the port number, path, and operation values are shown in the display names.
What is the minimum number of global elements that must be defined to support all these HTTP Listeners?

  • A. 4
  • B. 1
  • C. 3
  • D. 2
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

A
web client submits a request to http://localhost:8081?flrstName=john. What is the correct DataWeave expression to access the firstName parameter?

  • A. #[message.inboundProperties.'http.query.params'.firstName]
  • B. #[attributes.queryParams.firstName]
  • C. #[attributes.'http.query.params'.firstName]
  • D. #[message.queryParams.hrstName]
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Refer to the exhibits.


What payload and quantity are logged at the end of the main flow?

  • A. [[1,2,3,4], 10]
  • B. [[1,2,3,4], 14]
  • C. [[order1, order2, order3, order4], 14]
  • D. [orderlorder2order3order4,14]
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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