The Salesforce-MuleSoft-Developer-I exam is part of the Salesforce Developer,MuleSoft Developer I certification path and validates your skills for the Salesforce Certified MuleSoft Developer credential. It is designed for developers who build, connect, and manage Mule applications and APIs in real-world integration scenarios. This certification matters because it shows you can design, implement, troubleshoot, and deploy MuleSoft solutions with confidence. Earning it can help demonstrate practical expertise in application networks and API-led integration.
| # | Exam Topics | Sub-Topics | Approximate Weightage (%) |
|---|---|---|---|
| 1 | Creating Application Networks | API-led connectivity, reusable services, system and experience layers | 10% |
| 2 | Using Connectors | Connector configuration, data access, event-driven connectivity | 10% |
| 3 | Processing Records | Record handling, batch processing, payload iteration | 8% |
| 4 | Transforming data with DataWeave | Mapping fields, data transformation, conditional logic | 12% |
| 5 | Routing events | Choice routing, flow control, event-based decisions | 8% |
| 6 | Handling errors | Error propagation, error handlers, exception management | 10% |
| 7 | Debugging and troubleshooting Mule applications | Logs, breakpoints, root cause analysis | 10% |
| 8 | Deploying and managing APIs and integrations | Deployment steps, environment management, operational monitoring | 8% |
| 9 | Designing APIs | API specification, resource modeling, contract-first design | 8% |
| 10 | Accessing and modifying Mule events | Event payloads, variables, event data updates | 8% |
| 11 | Structuring Mule applications | Flow design, reusable components, application organization | 4% |
| 12 | Building API implementation interfaces | Interface definition, implementation alignment, integration entry points | 4% |
| Total | 100% | ||
The exam tests both conceptual understanding and practical MuleSoft development ability. Candidates must know how to design APIs, build integrations, transform data, route events, and handle errors while keeping applications maintainable and deployable. It also checks your ability to debug issues and work with Mule events in realistic development scenarios. Success requires more than memorization because the exam focuses on applied knowledge across the full integration lifecycle.
QA4Exam.com offers the Salesforce-MuleSoft-Developer-I Exam PDF with actual questions and answers, plus an Online Practice Test built to mirror the real exam experience. The practice materials help you get familiar with question styles, verify your answers, and focus on the topics most likely to appear on the test.
With updated questions and a realistic exam simulation, you can build confidence before test day and improve your time management skills. The verified answers help you review mistakes quickly and strengthen weak areas. Using both the PDF and the practice test can make your preparation more efficient and help you target a first-attempt pass.
It is intended for developers and integration professionals who work with MuleSoft and want the Salesforce Certified MuleSoft Developer credential. It fits candidates building APIs, integrations, and Mule applications.
It can be challenging because it covers design, implementation, troubleshooting, and deployment concepts. Candidates who understand Mule application development and practice with realistic questions usually perform better.
Braindumps alone are not a complete preparation method. You should also understand the concepts, review the exam topics, and practice applying the knowledge in real scenarios.
Hands-on experience is very helpful because the exam emphasizes practical MuleSoft development skills. Working with connectors, DataWeave, routing, and error handling can make the questions easier to understand.
QA4Exam.com dumps and the practice test are strong preparation tools, but the best results come from combining them with topic review and practical study. That approach helps you learn the answers and the reasoning behind them.
The Exam PDF gives you actual questions and answers for focused review, while the Online Practice Test helps you simulate the real exam and manage time better. Together they support efficient preparation and improve confidence for a first attempt.
QA4Exam.com provides an Exam PDF and an Online Practice Test. These formats let you study offline from the PDF and then test your readiness with an interactive practice experience.
As a part of project requirement , you want to build an API for a legacy client. Legacy client can only consume SOAP webservices. Which type the interface documentation can be prepared to meet the requirement?
Web Services Description Language. WSDL is used to describe SOAP based web services
Refer to the exhibit.



What payload is returned from a request to http//localhost.8081/
Refer to the exhibits, what payload is returned from a request to http://localhost;8081/?
The flow can be described as below. 1) First HTTP POST requets is made in which paylaod is set to 1 and it gets returned to our mail flow. 2) Second call is initiated for JMS Publish Consume JMS: num1 which add 1 to the payload which makes it as 2. Note that pubih consume is a synchronous operation. Hence paylaod is returned to main flow. 3) Third call is initiated for JMS Publish JMS: num2 which add 1 to the payload . Note that pubih is asynchronous operation. Hence paylaod is never returned to main flow. So payload in main flow is still 2. 4) Finally Set Payload increments payload by 1 making payload as 3 which is returned by the flow. Hence option 3 is the correct answer.
What path setting is required for an HTTP Listener endpoint to route all requests to an APIkit router?
Option1 is correct syntax to configure HTTP Listener endpoint
A web client sends one GET request to the test flow's HTTP Listener, which causes the test flow to call the updateTemp flow After the test flow returns a response, the web client then sends a different GET request to trie getTemp flow's HTTP Listener The test flow is not called a second time.
What response is returned from the request to the getTemp flow's HTTP Listener?



A)

B)

C)

D)

Refer to the exhibits.



The Batch Job scope contains two Batch Steps scopes with different accept expression.
The input payload is passed to the Batch Job scope.
After the entire payload is processed by the batch job scope , what messages have been logged by the Logger component?
This question validates you knowledge on Batch Processing. Before we analyze the question , lets revise a bit about batch filters.
Batch Filters
You can apply one or more filters as attributes to any number of batch steps. Imagine a batch job whose first batch step checks if a Salesforce contact exists for a record, and a second batch step that updates each existing Salesforce contact with new information. You can apply a filter to the second batch step to ensure it only processes records that didn't fail during the first batch step. By having batch steps accept only some records for processing, you streamline the batch job so the Mule runtime engine can focus only on the relevant data for a particular batch step.
A batch step uses two attributes to filter records:
acceptExpression
acceptPolicy
Each batch step can accept oneacceptExpressionand oneacceptPolicyattributes to filter records.
Use theacceptExpressionattribute to process only records that evaluate to true; if the record evaluates to false, the batch step skips the record and sends it to the next one. In other words, the records with an accept expression that resolves to false are the ones that Mule filtersout.
The example below filters out all records where the age is less than 21; the batch step does not process those records.
<batch:job jobName='batchJob'>
<batch:process-records >
<batch:step name='adultsOnlyStep' acceptExpression='#[payload.age > 21]'>
...
</batch:step>
</batch:process-records>
</batch:job>
Mule Ref Doc :Refining Batch Steps Processing | MuleSoft Documentation
As we are clear with above concepts , now lets understand this solution step by step.
1) Batch Step (Less than 50)
Accept expression for this batch step is less than 50. Hence elements which will go in this batch step are amount value 40 and 2. Hence output of logger in first batch step is
{amount=140}
{amount=102}
2) Batch Step (Greater than 20)
Accept condition for this batch step is greater than 20. Note that input amount values for this batch step are 100 , 140 and 102 (last two values have been updated in batch step less than 50)
As all values satisfy this condition out put of second logger is
{step2amount=100}
{step2amount=140}
{step2amount=102}
Hence correct answer to this question is

{amount=140}
{amount=102}
{step2amount=100}
{step2amount=140}
{step2amount=102}
2) Batch Step (Greater than 20)
Accept condition for this batch step is greater than 20. Note that input amount values for this batch step are 100 , 140 and 102 (last two values have been updated in batch step less than 50)
As all values satisfy this condition out put of second logger is
{step2amount=100}
{step2amount=140}
{step2amount=102}
Hence correct answer to this question is

{amount=140}
{amount=102}
{step2amount=100}
{step2amount=140}
{step2amount=102}
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