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| Section | Weight | Objectives |
|---|---|---|
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Modularize applications and builds - Create reusable libraries - Build custom policies and processors - Implement automated deployment - Execute tests with Maven |
| Design and Implement API-led Connectivity | 13% | - Implement HTTP callbacks/webhooks - Implement API autodiscovery - Implement server-side caching |
| Implement Performant and Reliable Mule Applications | 27% | - Implement reliable messaging patterns - Optimize performance and throughput - Use ObjectStore for persistence - Handle HTTP API invocations and errors - Validate messages and payloads |
| Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Implement security policies - Manage keys and certificates - Manage secure environment properties |
| Implement Monitorable Mule Applications | 15% | - Implement logging and log management - Monitor applications and runtimes - Expose health check endpoints - Implement message correlation |
>> Detail Mule-Dev-301 Explanation <<
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NEW QUESTION # 39
An API has been built to enable scheduling email provider. The front-end system does very little data entry validation, and problems have started to appear in the email that go to patients. A validate-customer'' flow is added validate the data.
What is he expected behavior of the 'validate-customer'' flow?
Answer: C
Explanation:
The validate-customer flow uses an until-successful scope to validate each field of the customer data. The until-successful scope executes its processors until they succeed or exhausts the maximum number of retries. If any processor fails, it raises an error and stops executing the remaining processors. Therefore, if only the email address is invalid, a VALIDATION.INVALID_EMAIL error is raised and the validation of appointment date and customer name is skipped. Reference: https://docs.mulesoft.com/mule-runtime/4.3/until-successful-scope
NEW QUESTION # 40
Which properties are mandatory on the HTTP Connector configuration in order to use the OAuth 2.0 Authorization Code grant type for authentication?
Answer: A
Explanation:
The OAuth 2.0 Authorization Code grant requires several endpoints and client credentials because the Mule application participates in both the user authorization stage and the subsequent authorization-code-to-token exchange.
For the HTTP Request Connector, MuleSoft identifies the principal required configuration fields as the external callback URL, local authorization URL, authorization URL, client ID, client secret, and token URL.
The option refers to the token endpoint as the access token URL, which represents the same OAuth server endpoint used to exchange the authorization code for an access token.
The authorization URL redirects the resource owner to the authorization server. The local authorization URL initiates Mule's authorization process. The external callback URL identifies the publicly reachable callback through which the OAuth server returns the authorization code. The client ID and client secret authenticate the registered client application, while the token URL is used for the token exchange.
By contrast, the local callback URL is configurable but not mandatory in the same manner, and fields such as Response Access Token and Response Refresh Token are expressions for extracting provider-specific values rather than fundamental mandatory authorization-code grant parameters.
Reference topics: HTTP Connector Authentication; OAuth 2.0 Authorization Code Grant; Callback URLs; Token Endpoint.
Official documentation: https://docs.mulesoft.com/http-connector/latest/http-authentication
NEW QUESTION # 41
Refer to the exhibit.
A Mule application pom.xml configures the Maven Resources plugin to exclude parsing binary files in the project's src/main/resources/certs directory.
Which configuration of this plugin achieves a successful build?
Answer: A
Explanation:
To configure the Maven Resources plugin to exclude parsing binary files in the project's src/main/resources/certs directory, option C should be used. This option specifies that any files with .cer or .jks extensions under the certs directory should be excluded from filtering. Filtering is a process of replacing placeholders with actual values in resource files during the build process. Binary files should not be filtered because they may become corrupted or unusable. Reference: https://maven.apache.org/plugins/maven-resources-plugin/examples/filter.html https://maven.apache.org/plugins/maven-resources-plugin/examples/include-exclude.html
NEW QUESTION # 42
Refer to the exhibit.
A Mute Object Store is configured with an entry TTL of one second and an expiration interval of 30 seconds.
What is the result of the flow if processing between os'store and os:retrieve takes 10 seconds?
Answer: A
Explanation:
The result of the flow is nullPayload if processing between os:store and os:retrieve takes 10 seconds. This is because the entry TTL of the object store is one second, which means that any stored value expires after one second and is removed from the object store. The expiration interval of 30 seconds only determines how often the object store checks for expired values, but it does not affect the TTL. Therefore, when os:retrieve tries to get the value after 10 seconds, it returns nullPayload because the value has already expired and been removed. Reference: https://docs.mulesoft.com/object-store/osv2-faq#how-does-the-time-to-live-work
NEW QUESTION # 43
Which configurations are required for HTTP Listener to enable mTLS authentication?
Answer: D
Explanation:
Mutual TLS requires authentication in both directions. The Mule HTTP Listener acts as the TLS server, so it needs a keystore containing its private key and associated server certificate. This allows the listener to prove its identity to the connecting client.
For mTLS, the server must additionally authenticate the client certificate. Therefore, the TLS context also requires an appropriate truststore containing the certificate authorities or certificates that the application trusts when validating client certificates.
MuleSoft's TLS documentation provides a two-way authentication example for an HTTP Listener containing both < tls:trust-store > and < tls:key-store > inside the TLS context. MuleSoft's HTTP Listener documentation likewise states that HTTPS requires a keystore for the server and a truststore when two-way authentication is required.
Persistent connections affect HTTP connection reuse and performance, not certificate authentication. A reconnection strategy likewise does not provide the cryptographic identity material required for mTLS.
Therefore, an HTTP Listener configured for mutual TLS requires the correct keystore and truststore configuration.
Reference topics: Mule TLS Context; HTTP Listener HTTPS; keystores; truststores; mutual TLS/two-way authentication.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.6/tls-configuration Official documentation: https://docs.mulesoft.com/http-connector/latest/http-listener-ref
NEW QUESTION # 44
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