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MuleSoft Certified Developer - Level 2 (Mule 4) Sample Questions:

1. 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?

A) F1, B1, A1, A2, B2
B) B1, A1, F1, A2, B2
C) F1, A1, B1, B2, A2
D) A1, B1, F1, B2, A2

2. A system API that communicates to an underlying MySQL database is deploying to CloudHub. The DevOps team requires a readiness endpoint to monitor all system APIs.
Which strategy should be used to implement this endpoint?

A) Create a dedicated endpoint that responds with the API status only
B) Create a dedicated endpoint that responds with the API status and reachability of the underlying systems
C) Create a dedicated endpoint that responds with the API status and health of the server
D) Use an existing resource endpoint of the API

3. A Flight Management System publishes gate change notification events whenever a flight's arrival gate changes. Other systems, including Baggage Handler System. Inflight Catering System and Passenger Notifications System, must each asynchronously receive the same gate change notification to process the event according.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?

A) Publish the gate change notification to an Anypoint MQ exchanhe.
Create different Anypoint MQ queues meant for each of the other subscribing systems.
Bind the exchange with each of the queues.
B) Publish each client subscribe directly to the exchange.
Have each client subscribe directly to the queue.
C) Publish the gate change notification to an Anypoint MQ queue.
Create different anypoint MQ exchange meant for each of the other subscribing systems Bind the queue with each of the exchanges
D) Publish the gate change notification to an Anypoint MC queue
Have each client subscribe directly to the queue

4. Which type of cache invalidation does the Cache scope support without having to write any additional code?

A) Notification-based invalidation
B) Write-through invalidation
C) Time to live
D) White-behind invalidation

5. A Mule implementation uses a HTTP Request within an Unit Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handle inside Until Successful to reduce latency?

A) In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED.
B) Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Propagate to catch permanent errors like HTTP UNAUTHORIZED.
C) Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Continue to catch permanent errors like HTTP UNAUTHORIZED.
D) Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.

Solutions: