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Salesforce Mule-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Implement Performant and Reliable Mule Applications	27%	- Optimize reliability and performance 1. Implement ObjectStore persistence 2. Implement asynchronous processing 3. Build fault-tolerant message processing 4. Validate assertions using validation modules 5. Implement performant API invocations
Topic 2: Implement Maintainable and Modular Mule Applications and Their Maven Builds	25%	- Implement modular Mule application structures 1. Execute MUnit tests with Maven 2. Create custom API rules 3. Implement unit testing with MUnit framework 4. Optimize Maven build configurations 5. Implement Maven-based automated deployments
Topic 3: Expose Production-Ready Anypoint Platform Managed APIs	13%	- Manage APIs with Anypoint Platform 1. Implement HTTP callbacks 2. Request and manage API access 3. Implement server-side API caching 4. Implement API versioning 5. Configure API policies
Topic 4: Secure Data at Rest and in Transit	20%	- Implement security best practices 1. Expose APIs over HTTPS 2. Secure sensitive data in Mule applications 3. Implement secure property management 4. Create and distribute certificates and keys 5. Implement TLS mutual authentication
Topic 5: Implement Monitorable Mule Applications	15%	- Implement monitoring and logging 1. Change log levels dynamically 2. Expose health check endpoints 3. Configure and evaluate application logs 4. Implement monitoring dashboards and alerts

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Salesforce Certified MuleSoft Developer II Sample Questions (Q19-Q24):

NEW QUESTION # 19
A custom policy needs to be developed to intercept all cutbound HTTP requests made by Mule applications.
Which XML element must be used to intercept outbound HTTP requests?

A. http-policy:processor
B. htt-policy:operation
C. http-policy:source
D. It is not possible to intercept outgoing HTTP requests, only inbound requests

Answer: C

Explanation:
The http-policy:processor element is used to intercept outbound HTTP requests made by Mule applications. It allows customizing the request before it is sent to the target API and modifying the response after it is received from the target API. Reference: https://docs.mulesoft.com/api-manager/2.x/policy-mule4-custom-policy#policy-xml-file

NEW QUESTION # 20
Refer to the exhibit.
What required changes can be made to give a partial successful response in case the United Airlines API returns with a timeout?

A. Add a Scatter-gather component inside a Try scope.
Set the payload to a default value 'Error' inside the error handler using the On Error Propagate scope.
B. Add a Scatter-Gather component inside a Try scope.
Set the payload to a default value 'Error'' inside the error handler using the On Error Continue scope.
C. Add Flow Reference components inside a Try scope.
Set the payload to a default value'' insider the error handler using the ON Error Continue scope
D. Add Flow Reference components inside a Try scope
Set the payload to a default value '' inside the error handler using the On Error Propagate scope

Answer: B

Explanation:
To give a partial successful response in case the United Airlines API returns with a timeout, the developer should add a Scatter-Gather component inside a Try scope, and set the payload to a default value 'Error' inside the error handler using the On Error Continue scope. A Scatter-Gather component allows sending multiple requests concurrently and aggregating the responses into an array. A Try scope allows handling errors that occur within it using an error handler. An On Error Continue scope allows continuing the flow execution after handling an error. Therefore, by using these components, the developer can send requests to both APIs in parallel, handle any timeout errors from United Airlines API, and return a partial response with a default value for that API. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept https://docs.mulesoft.com/mule-runtime/4.3/try-scope-concept https://docs.mulesoft.com/mule-runtime/4.3/on-error-continue-concept

NEW QUESTION # 21
What is the MuleSoft recommended method to encrypt sensitive property data?

A. The encryption key should be different for each environment and the sensitive data should be the same for all environments
B. The encryption key should be identical for all environments
C. The encryption key should be identical for all environments and the sensitive data should be different for each environment
D. The encryption key and sensitive data should be different for each environment

Answer: D

Explanation:
The MuleSoft recommended method to encrypt sensitive property data is to use the Secure Properties Tool that comes with Anypoint Studio. This tool allows encrypting properties files with a secret key and then decrypting them at runtime using the same key. The encryption key and sensitive data should be different for each environment to ensure security and avoid accidental exposure of sensitive data. Reference: https://docs.mulesoft.com/mule-runtime/4.3/secure-configuration-properties

NEW QUESTION # 22
Which statement is true about using mutual TLS to secure an application?

A. Mutual TLS requires a hardware security module to be used
B. Mutual TLS authenticates the identity of the server before the identity of the client
C. Mutual TLS ensures only authorized end users are allowed to access an endpoint
D. Mutual TLS increases the encryption strength versus server-side TLS alone

Answer: B

Explanation:
Mutual TLS (mTLS) is an extension of TLS that requires both parties (client and server) to present their certificates to each other during the handshake process. This way, both parties can verify each other's identity and establish a secure connection. The authentication of the server happens before the authentication of the client, as the server sends its certificate first and then requests the client's certificate. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#mutual-authentication

NEW QUESTION # 23
Refer to the exhibit.
What action must be performed to log all the errors raised by the VM Connector?

A. Add <AsyncLOgger name='orgroute.extensions vm' level=ERROR'/> inside the Appenders tag
B. Add <AsyncLOgger name='orgroute.extensions vm' level=ERROR'I> inside the Logger tag
C. Nothing, as error-level events are automatically logged
D. Configure <Logger level-'ERROR'/> inside the VM Connector configuration

Answer: A

Explanation:
To log all the errors raised by the VM Connector, the developer needs to add an async logger with the name 'org.mule.extension.vm' and the level 'ERROR' inside the appenders tag of the log4j2.xml file. This will enable logging all error-level events generated by the VM Connector to the console appender. Reference: https://docs.mulesoft.com/mule-runtime/4.3/logging-in-mule#configuring-custom-logging-settings

NEW QUESTION # 24
......

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