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Salesforce Mule-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified MuleSoft Developer II Sample Questions (Q39-Q44):

NEW QUESTION # 39
A Mule application deployed to multiple CloudHub 2.0 replicas needs to temporarily persist large files over
10MB between flow executions, and routinely needs to query whether the file data exists on separate executions.
How can this be achieved?

A. Use an in-memory Object Store
B. Store the contents of the file on separate storage, and store the key and location of the file using Object Store v2
C. Store the key and full contents of the file in an Object Store
D. Use the file connector to store and read the file, caching the filename and location between requests

Answer: B

Explanation:
Object Store v2 is suitable for distributed key/value state that must be available across CloudHub executions and replicas, but it should not be used to hold the complete contents of files larger than its per-value limit.
MuleSoft documents that an Object Store v2 value is limited to 10 MB, while the overall store does not have a fixed aggregate size limit.
The appropriate architecture is therefore to persist the binary file itself in storage designed for large objects- for example, a durable external object/blob storage service-and store only lightweight metadata in Object Store v2. That metadata can include the object's storage key, URI/location, status, or other lookup information. Subsequent flow executions can query Object Store v2 to determine whether the object exists and then retrieve the actual file from the external storage system.
An in-memory Object Store is inappropriate because application replicas do not provide a durable shared in- memory persistence model for this requirement. Storing the entire file directly in Object Store violates the 10 MB value constraint. Local file-based storage is also unsuitable as a cross-replica CloudHub persistence mechanism.
Reference topics: Object Store v2 limits; CloudHub replicas; distributed persistence; external object storage; key/location metadata.
Official documentation: https://docs.mulesoft.com/object-store/osv2-faq

NEW QUESTION # 40
When a client and server are exchanging messages during the mTLS handshake, what is being agreed on during the cipher suite exchange?

A. The Public key format
B. The TLS version
C. A protocol
D. An encryption algorithm

Answer: D

Explanation:
A cipher suite is a set of cryptographic algorithms that are used to secure the communication between a client and a server. A cipher suite consists of four components: a key exchange algorithm, an authentication algorithm, an encryption algorithm, and a message authentication code (MAC) algorithm. During the cipher suite exchange, the client and the server agree on which encryption algorithm to use for encrypting and decrypting the data. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#cipher-suites

NEW QUESTION # 41
A scatter-gather router is configured with four routes:Route A, B, C and D.
Route C false.

A. Payload ['2']
B. Error,errorMesage.payload.results ['2']
C. Error,errorMessage,payload.failures['2']
D. Payload failures['2']

Answer: B

Explanation:
The result of accessing route C failure is Error,errorMessage,payload.failures['2']. This is because a scatter-gather router returns an aggregated message that contains an array of results from each route and an array of failures from each route. The failures array contains error objects with information about each failed route execution. To access route C failure, which is the third route (index 2), the developer needs to use Error.errorMessage.payload.failures['2'] expression. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-reference#scatter-gather-output

NEW QUESTION # 42
A Mule application uses API autodiscovery to access and enforce policies for a RESTful implementation.
What needs to be configured for the flowRef attribute of the autodiscovery global element?

A. The name of the flow that has HTTP Listener to receive all incoming RESTful operation requests
B. Nothing because flowRef is an optional attribute which can be passed during runtime
C. The name of the flow that has APIkit Console to receive all incoming RESTful operation requests
D. Any of the APIkit generated implementation flows

Answer: A

NEW QUESTION # 43
A developer is working on a project that requires encrypting all data before sending it to a backend application. To accomplish this, the developer will use PGP encryption in the Mule 4 Cryptography module.
What is required to encrypt the data before sending it to the backend application?

A. The application needs the public key from the backend service to encrypt the data
B. The application needs to configure HTTPS TLS context information to encrypt the data
C. The application needs the private key from the backend service to encrypt the data
D. The application needs both the private and public keys to encrypt the data

Answer: A

Explanation:
PGP uses asymmetric cryptography for establishing confidentiality between a sender and a recipient. When the Mule application sends encrypted information to the backend service, it encrypts the content using the recipient's public key. Only the corresponding private key, retained by the backend recipient, can subsequently be used to decrypt that content.
MuleSoft's Cryptography Module documentation explicitly identifies the two principal PGP scenarios:
outgoing encryption uses another party's public key, while incoming decryption uses the receiver's own private key. In a Mule application, the backend's public key is normally imported into a PGP public keyring, and the Cryptography Module's PGP Encrypt operation references the appropriate key or fingerprint.
The sender does not need the backend's private key. In fact, distributing the recipient's private key would defeat the fundamental security model of public-key cryptography. Both keys would be relevant for certain combined operations such as encryption plus signing, but ordinary encryption for confidentiality requires the recipient's public key. HTTPS/TLS may additionally protect transport, but it is separate from PGP payload encryption.
Reference topics: Cryptography Module; PGP Encryption; Public and Private Keyrings; PGP Encrypt Operation.
Official documentation: https://docs.mulesoft.com/cryptography-module/latest/cryptography-module-pgp

NEW QUESTION # 44
......

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