60 practice questions for Salesforce Certified MuleSoft Developer, with full explanations.
Every question comes with the correct answer, the reasoning behind it, and a short note on why each wrong option is wrong. Work through it once with the answers, then again with the questions-only copy under exam conditions.
- 60 questions mapped to the MuleSoft Developer exam guide
- Answers and explanations for every question, including the wrong options
- A questions-only PDF for timed practice runs
- Instant delivery by email the moment you check out
- Free monthly updates for as long as the exam is live
- Pass or your money back
A MuleSoft Developer attempt costs US$200 (US$100 for a retake). This pack is US$39, paid once.
Try 10 questions free before you buy.
Last updated September 2026 · 60 questions
What makes the MuleSoft Developer hard
MuleSoft Developer is the Mule 4 exam, previously called MuleSoft Certified Developer Level 1 before Salesforce folded it into the Trailhead Academy catalogue, and it is a prerequisite for Developer II. It is 60 questions in 120 minutes with a 70% pass mark and no reference material allowed, and the question style is distinctive: most items show a flow, a piece of DataWeave or a configuration and ask you to predict the outcome, so architecture vocabulary alone will not get you through.
The twelve sections are almost evenly weighted, which is the point. Five carry 10% each: accessing and modifying Mule events (payload, attributes and variables, and how they change across a flow); structuring Mule applications with flows, subflows, private flows, properties and global configurations; using connectors for databases, files, web services, SaaS applications and JMS; processing records with For Each, batch jobs and streaming; and transforming data with DataWeave 2.0, where candidates must write and read map, filter, reduce and pluck, coerce types and predict script output. Designing APIs, routing events and handling errors are 8% each. Creating application networks, building API implementation interfaces with APIkit, and deploying and managing APIs and integrations with CloudHub and API Manager policies are 7% each, and debugging and troubleshooting with the Studio debugger is 5%.
Two minutes per question is only enough time if you have actually built the things in Anypoint Studio.
About the exam
The Salesforce Certified MuleSoft Developer credential validates the ability to design, build, test, debug, deploy and manage basic Mule 4 APIs and integrations using Anypoint Platform and Anypoint Studio. There are no prerequisites; it is itself the prerequisite for MuleSoft Developer II.
Exam domains
- Creating application networks: 7%
- Designing APIs: 8%
- Accessing and modifying Mule events: 10%
- Structuring Mule applications: 10%
- Building API implementation interfaces: 7%
- Using connectors: 10%
- Processing records: 10%
- Transforming data with DataWeave: 10%
- Routing events: 8%
- Handling errors: 8%
- Debugging and troubleshooting Mule applications: 5%
- Deploying and managing APIs and integrations: 7%
60 multiple-choice questions plus up to 5 unscored, 120 minutes, passing score 70%, US$200 per attempt, US$100 retake, delivered through Trailhead Academy at Pearson VUE test centres or online, no reference materials permitted, maintained through release maintenance.
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