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| Section | Weight | Objectives |
|---|---|---|
| Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Implement security policies - Manage secure environment properties - Manage keys and certificates |
| Implement Monitorable Mule Applications | 15% | - Implement message correlation - Implement logging and log management - Expose health check endpoints - Monitor applications and runtimes |
| Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Handle HTTP API invocations and errors - Optimize performance and throughput - Validate messages and payloads - Implement reliable messaging patterns |
| Design and Implement API-led Connectivity | 13% | - Implement server-side caching - Implement HTTP callbacks/webhooks - Implement API autodiscovery |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Build custom policies and processors - Implement automated deployment - Modularize applications and builds - Execute tests with Maven - Create reusable libraries |
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NEW QUESTION # 36
Which properties are mandatory on the HTTP Connector configuration in order to use the OAuth 2.0 Authorization Code grant type for authentication?
Answer: C
Explanation:
To use the OAuth 2.0 Authorization Code grant type for authentication, the HTTP Connector configuration requires the following properties: token URL, authorization URL, client ID, client secret, and local callback URL. The token URL is the endpoint of the authorization server that provides access tokens. The authorization URL is the endpoint of the authorization server that initiates the user consent flow. The client ID and client secret are the credentials of the Mule application registered with the authorization server. The local callback URL is the endpoint of the Mule application that receives the authorization code from the authorization server. Reference: https://docs.mulesoft.com/http-connector/1.6/http-authentication#oauth-2-0
NEW QUESTION # 37
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?
Answer: A
Explanation:
To temporarily persist large files over 10MB between flow executions, and routinely query whether the file data exists on separate executions, the developer should store the contents of the file on separate storage, and store the key and location of the file object using Object Store v2. This way, the developer can avoid storing large files in memory or exceeding the size limit of Object Store v2 (10MB per object). The developer can also use Object Store v2 operations to query, retrieve, or delete the file object by its key. Reference: https://docs.mulesoft.com/object-store/osv2-faq#can-i-store-files-in-object-store-v2
NEW QUESTION # 38
Refer to the exhibit.
A developer generates the base scaffolding for an API in Anypoint Studio.
Which HTTP status code is returned while testing using the API Kit console if no values are entered in client-secret?
Answer: A
Explanation:
Based on the code snippet and schema.json file below, when testing using the API Kit console if no values are entered in client-secret, HTTP status code 403 (FORBIDDEN) is returned. This is because client-secret is defined as a required header parameter in schema.json file, which means that it must be present in every request. If no values are entered in client-secret, then it is equivalent to omitting this header parameter, which violates the schema and causes APIKit Router to return HTTP status code 403. Reference: https://docs.mulesoft.com/apikit/4.x/apikit-4-headers
NEW QUESTION # 39
Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back any failed requests in sequence?
Answer: C
Explanation:
The requirement combines two architectural concerns: the downstream HTTP calls must execute concurrently, and completed remote operations must be reversible when another operation fails. Scatter- Gather is the appropriate Mule router for the concurrency requirement because it dispatches the event to multiple routes and executes those routes in parallel.
However, independent HTTP APIs cannot generally participate in a single ACID/XA transaction with Mule.
Once a remote API successfully commits an operation, Mule cannot simply perform a conventional transaction rollback across that service boundary. The appropriate distributed-transaction pattern is therefore a Saga, where successful steps have defined compensating operations that semantically undo their effects when a subsequent step fails.
Scatter-Gather also provides a composite error model. If one or more routes fail, Mule collects successful route results and route failures into a MULE:COMPOSITE_ROUTING error. A centralized orchestration
/error-handling flow can inspect those results and execute compensation logic in the required sequence.
Parallel For Each is designed for elements of a collection, not orchestration of several distinct API operations.
VM queues and transactional-outbox patterns address different reliability concerns and do not directly implement distributed compensation.
Reference topics: Scatter-Gather Router; Composite Routing Errors; Distributed Transactions; Compensating
/Saga Pattern.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept
NEW QUESTION # 40
A healthcare portal needs to validate the token that it sends to a Mule API. The developer plans to implement a custom policy using the HTTP Policy Transform Extension to match the token received in the header from the heathcare portal.
Which files does the developer need to create in order to package the custom policy?
Answer: B
Explanation:
To package a custom policy using the HTTP Policy Transform Extension, the developer needs to create an XML template file and a YAML configuration file. The XML template file defines the policy logic using Mule components and placeholders for user-defined properties. The YAML configuration file defines the metadata of the policy, such as its name, description, category, parameters, and dependencies. Reference: https://docs.mulesoft.com/api-manager/2.x/http-policy-transform#packaging-the-policy
NEW QUESTION # 41
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