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| Section | Weight | Objectives |
|---|---|---|
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Modularize applications and builds - Create reusable libraries - Execute tests with Maven - Implement automated deployment - Build custom policies and processors |
| Implement Monitorable Mule Applications | 15% | - Implement message correlation - Implement logging and log management - Expose health check endpoints - Monitor applications and runtimes |
| Secure Data at Rest and in Transit | 20% | - Implement security policies - Manage keys and certificates - Manage secure environment properties - Expose and invoke APIs over HTTPS |
| Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Implement Performant and Reliable Mule Applications | 27% | - Validate messages and payloads - Use ObjectStore for persistence - Optimize performance and throughput - Handle HTTP API invocations and errors - Implement reliable messaging patterns |
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NEW QUESTION # 44
A Mule application contain two policies Policy A and Policy A has order1, and Policy B has order 2. Policy A Policy B, and a flow are defined by he configuration below.
When a HTTP request arrives at the Mule application's endpoint, what will be the execution order?
Answer: C
Explanation:
Based on the configuration below, when a HTTP request arrives at the Mule application's endpoint, the execution order will be A1, B1, F1, B2, A2. This is because policies are executed before and after the API implementation flow according to their order attribute. Policy A has order 1, which means it is executed first before Policy B, which has order 2. The flow is executed after both policies are executed before the flow. Then, Policy B is executed after the flow before Policy A is executed after the flow. Reference: https://docs.mulesoft.com/api-manager/2.x/policies-policy-order
NEW QUESTION # 45
A developer has created the first version of an API designed for business partners to work with commodity prices.
What should the developer do to allow more than one major version of the same API to be exposed by the implementation?
Answer: C
Explanation:
Major API versions should be distinguishable at the API's external URI rather than being encoded independently into every resource operation or into internal Mule flow names. MuleSoft recommends including the consumer-facing API version in the application URL, for example /v1/..., so clients can explicitly select the major API contract they intend to consume.
RAML supports this cleanly through the baseUri. A version variable can be included in the base URI, for example baseUri: https://api.example.com/v{version}, with the corresponding version or base URI parameter defined in the specification. This keeps the versioning concern at the API contract and endpoint-addressing level.
Changing every operation would unnecessarily duplicate version information. Modifying generated APIkit flow names affects Mule implementation internals but does not provide distinct public API addresses.
Similarly, manually changing generated HTTP listeners after scaffolding makes the implementation diverge from the API specification and weakens API-led lifecycle management.
MuleSoft's versioning guidance explicitly recommends exposing the major version in the API URL and using simple major identifiers such as v1, v2, and so forth.
Reference topics: API Versioning; RAML baseUri; Base URI Parameters; Major API Versions.
Official documentation: https://docs.mulesoft.com/exchange/to-change-raml-version
NEW QUESTION # 46
Refer to the exhibit.
What is the result if ''Insecure'' selected as part of the HTTP Listener configuration?
Answer: B
Explanation:
Based on the exhibit below, if 'Insecure' is selected as part of the HTTP Listener configuration, the HTTP listener will only accept HTTP requests. This means that no TLS context will be configured for this listener and no encryption or authentication will be applied to incoming requests. The protocol attribute of this listener will be set to HTTP instead of HTTPS. Reference: https://docs.mulesoft.com/http-connector/1.6/http-listener-ref#insecure
NEW QUESTION # 47
The HTTP Request operation raises an HTTP CONNECTIVITY error.
Which HTTP status code and body are returned to the web client?
Answer: B
Explanation:
When the HTTP Request operation raises an HTTP CONNECTIVITY error, it triggers an on-error-continue handler that sets a payload with 'Error in processing your request'. Since no status code is explicitly set in this handler, it defaults to 500 (INTERNAL SERVER ERROR). Therefore, the web client receives an HTTP response with status code 500 and body 'Error in processing your request'. Reference: https://docs.mulesoft.com/mule-runtime/4.3/error-handling#on-error-continue
NEW QUESTION # 48
Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back failed requests in sequence?
Answer: C
Explanation:
To invoke multiple HTTP APIs in parallel and roll back failed requests in sequence, the developer should use a Scatter-Gather router as a central Saga orchestrator for all API requests with compensating actions for failing routes. A Scatter-Gather router executes multiple routes concurrently and aggregates the results. A Saga orchestrator coordinates a series of actions across different services and handles failures by executing compensating actions. Therefore, using a Scatter-Gather router as a Saga orchestrator allows invoking multiple HTTP APIs in parallel and rolling back any failed requests in sequence. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept https://docs.mulesoft.com/mule-runtime/4.3/saga
NEW QUESTION # 49
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