Refer to the exhibit.An organization uses a 2-node Mute runtime cluster to host one stateless API implementation. The API is accessed over HTTPS through a load balancer that uses round-robin for load distribution.Two additional nodes have been added to the cluster and the load balancer has been configured to recognize the new nodes with no other change to the load balancer.What average performance change is guaranteed to happen, assuming all cluster nodes are fully operational?
Answer(s): D
An integration Mule application is deployed to a customer-hosted multi-node Mule 4 runtime duster. The Mule application uses a Listener operation of a JMS connector to receive incoming messages from a JMS queue.How are the messages consumed by the Mule application?
Answer(s): C
Correct answer is Depending on the Listener operation configuration, either all messages are consumed by ONLY the primary cluster node or else EACH message is consumed by ANY ONE cluster nodeFor applications running in clusters, you have to keep in mind the concept of primary node and how the connector will behave. When running in a cluster, the JMS listener default behavior will be to receive messages only in the primary node, no matter what kind of destination you are consuming from. In case of consuming messages from a Queue, you’ll want to change this configuration to receive messages in all the nodes of the cluster, not just the primary.This can be done with the primaryNodeOnly parameter:<jms:listener config-ref="config" destination="${inputQueue}" primaryNodeOnly="false"/>
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 Mute application to interact with these systems, assuming that Anypoint Connectors exist that implement these interface technologies?
Correct answer is IBM: CICS CRM: SOAP* Within Anypoint Exchange, MuleSoft offers the IBM CICS connector. Anypoint Connector for IBM CICS Transaction Gateway (IBM CTG Connector) provides integration with back-end CICS apps using the CICS Transaction Gateway.* Anypoint Connector for Salesforce Marketing Cloud (Marketing Cloud Connector) enables you to connect to the Marketing Cloud API web services (now known as the Marketing Cloud API), which is also known as the Salesforce Marketing Cloud. This connector exposes convenient operations via SOAP for exploiting the capabilities of Salesforce Marketing Cloud.
What is required before an API implemented using the components of Anypoint Platform can be managed and governed (by applying API policies) on Anypoint Platform?
Answer(s): A
Context of the question is about managing and governing mule applications deployed on Anypoint platform.Anypoint API Manager (API Manager) is a component of Anypoint Platform that enables you to manage, govern, and secure APIs. It leverages the runtime capabilities of API Gateway and Anypoint Service Mesh, both of which enforce policies, collect and track analytics data, manage proxies, provide encryption and authentication, and manage applications.Mule Ref Doc : https://docs.mulesoft.com/api-manager/2.x/getting-started-proxy
https://docs.mulesoft.com/api-manager/2.x/api-auto-discovery-new-concept
Refer to the exhibit.One of the backend systems invoked by an API implementation enforces rate limits on the number of requests a particular client can make. Both the backend system and the API implementation are deployed to several non-production environments in addition to production.Rate limiting of the backend system applies to all non-production environments. The production environment, however, does NOT have any rate limiting.What is the most effective approach to conduct performance tests of the API implementation in a staging (non-production) environment?
Correct answer is Create a mocking service that replicates the backend system’s production performance characteristics. Then configure the API implementation to use the mocking service and conduct the performance tests* MUnit is for only Unit and integration testing for APIs and Mule apps. Not for performance Testing, even if it has the ability to Mock the backend.* Bypassing the backend invocation defeats the whole purpose of performance testing. Hence it is not a valid answer.* Scaled down performance tests cant be relied upon as performance of API's is not linear against load.
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