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Home MuleSoft MCIA - Level 1

MuleSoft MCIA - Level 1 Exam Practice Questions (P. 4)

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Question #16
What operation can be performed through a JMX agent enabled in a Mule application?
  1. A
    View object store entries
  2. B
    Replay an unsuccessful message
  3. C
    Deploy a Mule application
  4. D
    Set a particular log4j2 log level to TRACE

Correct Answer:
D

Question #17
A retailer is designing a data exchange interface to be used by its suppliers. The interface must support secure communication over the public internet. The interface must also work with a wide variety of programming languages and IT systems used by suppliers.
What are suitable interface technologies for this data exchange that are secure, cross-platform, and internet friendly, assuming that Anypoint Connectors exist for these interface technologies?
  1. A
    CSV over FTP YAML over TLS JSON over HTTPS
  2. B
    SOAP over HTTPS IIOP over TLS gRPC over HTTPS
  3. C
    EDIFACT XML over SFTP JSON/REST over HTTPS
  4. D
    XML over ActiveMQ XML over SFTP XML/REST over HTTPS

Correct Answer:
C

Question #18
Refer to the exhibit. A Mule 4 application has a parent flow that breaks up a JSON array payload into 200 separate items, then sends each item one at a time inside an Async scope to a VM queue.
A second flow to process orders has a VM Listener on the same VM queue. The rest of this flow processes each received item by writing the item to a database.
This Mule application is deployed to four CloudHub workers with persistent queues enabled.
What message processing guarantees are provided by the VM queue and the CloudHub workers, and how are VM messages routed among the CloudHub workers for each invocation of the parent flow under normal operating conditions where all the CloudHub workers remain online?

  1. A
    EACH item VM message is processed AT LEAST ONCE by ONE ARBITRARY CloudHub worker Each of the four CloudHub workers can be expected to process some item VM messages
  2. B
    ALL item VM messages are processed AT MOST ONCE by ONE ARBITRARY CloudHub worker This one CloudHub worker processes ALL 200 item VM messages
  3. C
    ALL item VM messages are processed AT LEAST ONCE by the SAME CloudHub worker where the parent flow was invoked This one CloudHub worker processes ALL 200 item VM messages
  4. D
    EACH item VM message is processed AT MOST ONCE by ONE CloudHub worker, with workers chosen in a deterministic round-robin fashion Each of the four CloudHub workers can be expected to process 1/4 of the item VM messages (about 50 items)

Correct Answer:
C

Question #19
Refer to the exhibit. An organization deploys multiple Mule applications to the same customer-hosted Mule runtime. Many of these Mule applications must expose an HTTPS endpoint on the same port using a server-side certificate that rotates often.
What is the most effective way to package the HTTP Listener and package or store the server-side certificate when deploying these Mule applications, so the disruption caused by certificate rotation is minimized?

  1. A
    Package the HTTPS Listener configuration in a Mule DOMAIN project, referencing it from all Mule applications that need to expose an HTTPS endpoint Store the server-side certificate in a shared filesystem location in the Mule runtime's classpath, OUTSIDE the Mule DOMAIN or any Mule APPLICATION
  2. B
    Package the HTTPS Listener configuration in a Mule DOMAIN project, referencing it from all Mule applications that need to expose an HTTPS endpoint Package the server-side certificate in ALL Mule APPLICATIONS that need to expose an HTTPS endpoint
  3. C
    Package the HTTPS Listener configuration in a Mule DOMAIN project, referencing it from all Mule applications that need to expose an HTTPS endpoint Package the server-side certificate in the SAME Mule DOMAIN project
  4. D
    Package an HTTPS Listener configuration in all Mule APPLICATIONS that need to expose an HTTPS endpoint Package the server-side certificate in a NEW Mule DOMAIN project

Correct Answer:
A

Question #20
What metrics about API invocations are available for visualization in custom charts using Anypoint Analytics?
  1. A
    Request size, request HTTP verbs, response time
  2. B
    Request size, number of requests, JDBC Select operation result set size
  3. C
    Request size, number of requests, JDBC Select operation response time
  4. D
    Request size, number of requests, response size, response time

Correct Answer:
D
Reference:
https://docs.mulesoft.com/monitoring/api-analytics-dashboard

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