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Home MuleSoft MCIA - Level 1

MuleSoft MCIA - Level 1 Exam Practice Questions (P. 5)

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Question #21
Refer to the exhibit. A business process involves the receipt of a file from an external vendor over SFTP. The file needs to be parsed and its content processed, validated, and ultimately persisted to a database. The delivery mechanism is expected to change in the future as more vendors send similar files using other mechanisms such as file transfer or HTTP POST.
What is the most effective way to design for these requirements in order to minimize the impact of future change?

  1. A
    Use a composite data source so files can be retrieved from various sources and delivered to a MuleSoft Batch Job for processing
  2. B
    Use a MuleSoft Scatter-Gather and a MuleSoft Batch Job to handle the different files coming from different sources
  3. C
    Create a Process API to receive the file and process it using a MuleSoft Batch Job while delegating the data save process to a System API
  4. D
    Create an API that receives the file and invokes a Process API with the data contained in the file, then have the Process API process the data using a MuleSoft Batch Job and other System APIs as needed

Correct Answer:
D

Question #22
An integration Mule application is being designed to synchronize customer data between two systems. One system is an IBM Mainframe and the other system is a
Salesforce Marketing Cloud (CRM) instance. Both systems have been deployed in their typical configurations, and are to be invoked using the native protocols provided by Salesforce and IBM.
What interface technologies are the most straightforward and appropriate to use in this Mule application to interact with these systems, assuming that Anypoint
Connectors exist that implement these interface technologies?
  1. A
    IBM: DB access CRM: gRPC
  2. B
    IBM: REST CRM: REST
  3. C
    IBM: CICS CRM: SOAP
  4. D
    IBM: ActiveMQ CRM: REST

Correct Answer:
D

Question #23
An XA transaction is being configured that involves a JMS connector listening for incoming JMS messages.
What is the meaning of the timeout attribute of the XA transaction, and what happens after the timeout expires?
  1. A
    The time that is allowed to pass without the transaction being ended explicitly After the timeout, the transaction is forcefully rolled-back
  2. B
    The time that is allowed to pass for stale JMS consumer threads to be destroyed After the timeout, a new JMS consumer thread is created
  3. C
    The time that is allowed to pass between receiving JMS messages on the same JMS connection After the timeout, a new JMS connection is established
  4. D
    The time that is allowed to pass between committing the transaction and the completion of the Mule flow After the timeout, flow processing triggers an error

Correct Answer:
A

Question #24
A Mule application contains a Batch Job with two Batch Steps (Batch_Step_1 and Batch_Step_2). A payload with 1000 records is received by the Batch Job.
How many threads are used by the Batch Job to process records, and how does each Batch Step process records within the Batch Job?
  1. A
    Each Batch Job uses SEVERAL THREADS for the Batch Steps Each Batch Step instance receives ONE record at a time as the payload, and BATCH STEP INSTANCES execute IN PARALLEL to process records and Batch Steps in ANY order as fast as possible
  2. B
    Each Batch Job uses SEVERAL THREADS for the Batch Steps Each Batch Step instance receives ONE record at a time as the payload, and RECORDS are processed IN PARALLEL within and between the two Batch Steps
  3. C
    Each Batch Job uses a SINGLE THREAD for all Batch Steps Each Batch Step instance receives ONE record at a time as the payload, and RECORDS are processed IN ORDER, first through Batch_Step_1 and then through Batch_Step_2
  4. D
    Each Batch Job uses a SINGLE THREAD to process a configured block size of record Each Batch Step instance receives A BLOCK OF records as the payload, and BLOCKS of records are processed IN ORDER

Correct Answer:
A
Reference:
https://docs.mulesoft.com/mule-runtime/3.8/batch-processing

Question #25
An API has been unit tested and is ready for integration testing. The API is governed by a Client ID Enforcement policy in all environments.
What must the testing team do before they can start integration testing the API in the Staging environment?
  1. A
    They must request access to the Staging environment and obtain the Client ID and Client Secret for that environment to be used for testing the API
  2. B
    They must request access to the API instance in the Staging environment and obtain a Client ID and Client Secret to be used for testing the API
  3. C
    They must be assigned as an API version owner of the API in the Staging environment
  4. D
    They must access the API portal and create an API notebook using the Client ID and Client Secret supplied by the API portal in the Staging environment

Correct Answer:
C

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