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Salesforce Salesforce-MuleSoft-Developer-I Exam Syllabus Topics:

Topic
Details

Topic 1

Routing Events: It focuses on using the Choice router for conditional logic and the Scatter-Gather router to multicast events. This topic also involves validating data by using the Validation module.

Topic 2

Processing Records: Processing records includes methods for processing individual records in a collection and explaining how Mule events are processed by the For Each scope. It also involves using the Batch Job with Batch Steps and a Batch Aggregator.

Topic 3

Designing APIs: Designing APIs involves describing the lifecycle of the modern API and using RAML to define various aspects of an API. It includes identifying when to use query parameters vs URI parameters, and defining API parameters.

Topic 4

Building API Implementation Interfaces: This topic involves manually creating a RESTful interface for a Mule application and generating a REST Connector from a RAML specification. It also includes describing the features and benefits of APIkit.

Topic 5

Transforming Data with DataWeave: It involves writing DataWeave scripts and using DataWeave functions. This topic also includes defining and using DataWeave variables, functions, and modules, and applying correct syntax.

Topic 6

Using Connectors: It focuses on retrieving data from REST services using HTTP Request or REST Connector. Moreover, the topic covers using a Web Service Consumer connector for SOAP web services and the Transform Message component.

Topic 7

Structuring Mule Applications: Structuring Mule applications covers parameterizing an application and defining and reusing global configurations. It includes breaking an application into multiple flows using private flows, subflows, and the Flow Reference component.

Topic 8

Handling Errors: Handling errors includes describing default error handling in Mule applications and defining custom global default error handlers. It involves comparing On Error Continue and On Error Propagate scopes, creating error handlers for a flow, using the Try scope, and mapping errors to custom application errors.

Topic 9

Debugging and Troubleshooting Mule Applications: Using breakpoints to inspect a Mule event during runtime, installing missing Maven dependencies, and reading and deciphering Mule log error messages are sub-topics of this topic.

Topic 10

Creating Application Networks: The topic of creating Application Networks encompasses understanding MuleSoft’s proposal for closing the IT delivery gap and describing the role and characteristics of the modern API. It also includes the purpose and roles of a Center for Enablement (C4E), and the benefits of API-led.

Topic 11

Accessing and Modifying Mule Events: It describes the Mule event data structure. Moreover, the topic focuses on usage of transformers and enriching Mule events.

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Salesforce Certified MuleSoft Developer I Sample Questions (Q34-Q39):

NEW QUESTION # 34
Which file is used to define the interface contract to invoke a web service implemented as a SOAP service

A. WSDL
B. JSON
C. OAS
D. RAML

Answer: A

Explanation:
WSDL is used to define the contract in case of SOAP . RAML/OAS is used to REST services

NEW QUESTION # 35
A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key userjd column and an increasing kxjin_date_time column. Neither column allows duplicate values.
How should the listener be configured so it retrieves each row at most one time?

A. Set the target value to the last retrieved user_jd value
B. Set the target value to the last retrieved login_date_time value
C. Set the watermark column to the bgin_date_time column
D. Set the watermark column to the user_Id column

Answer: C

Explanation:
* Watermark allows the poll scope to poll for new resources instead of getting the same resource over and over again.
* The database table must be ordered so that the "watermark functionality" can move effectively in the ordered list. Watermark stores the current/last picked up "record id."
* If the Mule application is shut down, it will store the last picked up "record id" in the Java Object Store and the data will continue to exist in the file. This watermark functionality is valuable and enables developers to have increased transparency.
* Developers do not need to create code to handle caching; it is all configurable!
* There are two columns and both are unique but user_id can't guaranty sequence whereas date_time will always be in increasing order and table content can easily be ordered on the basis of last processed date_time.
So correct answer is: Set the watermark column to the date_time column

NEW QUESTION # 36
Refer to the exhibits.
Larger image

Larger image

The Mule application configures and uses two HTTP Listener global configuration elements.
Mule application is run in Anypoint Studio.
If the mule application starts correctly, what URI and port numbers can receive web client requests? If the mule applications fails to start , what is the reason for the failure?

A. The mule application start successfully
Web client requests can be received at URI on port 2222 and on port 3333.
B. The mule application fails to start
There is URL path conflict because both HTTP Listeners are configured with same path
C. The mule application fails to start because of the port binding conflict as HTTP request also use same port i.e. 3333
D. The mule application start successfully
Web client requests can only be received at URI on port 2222 but not on port 3333

Answer: A

Explanation:
In this case both the flows can start without any error and requests can be received on both ports. Flow names httpListener1 can call other flow using HTTP request without any issues.
Hence correct answer is
The mule application start successfully
Web client requests can be received at URI on port 2222 and on port 3333.
Lets check why other options are incorrect
1) The mule application fails to start. There is URL path conflict because both HTTP Listeners are configured with same path ---- This is incorrect as port value is different in both listeners
2) The mule application start successfully. Web client requests can only be received at URI on port 2222 but not on port 3333 --- This is incorrect as there is no reason for not receiving requests on port 3333
3) The mule application fails to start because of the port binding conflict as HTTP request also use same port i.e. 3333 --- Port binding conflict will not happen in this case. It would have if both listener configurations would have been on same port . But that is not the case here.
Mule Ref Doc : HTTP Listener Reference - Mule 4 | MuleSoft Documentation

NEW QUESTION # 37
How would you debug Mule applications?

A. Using debugger component
B. Use third party debugger application
C. By Deploying apps on production
D. Checking RAML specifications

Answer: A

Explanation:
Debugger can be used to debug applications to see event data movine from one flow to other

NEW QUESTION # 38
Refer to the exhibit.

What can be added to the flow to persist data across different flow executions?

A. properties of the Mule runtime app object
B. Properties of the Mule runtime flow object
C. session variables
D. Key/value pairs in the ObjectStore

Answer: D

Explanation:
An object store is a facility for storing objects in or across Mule applications. Mule runtime engine (Mule) uses object stores to persist data for eventual retrieval. Internally, Mule uses object stores in various filters, routers, and other message processors that need to store states between messages.
Object stores are available in all deployment targets. If you deploy your application to CloudHub, you can also use Object Store V2.
Correct answer is Key/value pair in Object store
MuleSoft Documentation reference : https://docs.mulesoft.com/mule-runtime/4.3/mule-object-stores#use-cases

NEW QUESTION # 39
......

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