Salesforce MuleSoft-Integration-Architect-I Practice Test : Free Online Preparation

Question 1
- A new upstream API Is being designed to offer an SLA of 500 ms median and 800 ms maximum (99th percentile) response time. The corresponding API implementation needs to sequentially invoke 3 downstream APIs of very similar complexity. The first of these downstream APIs offers the following SLA for its response time: median: 100 ms, 80th percentile: 500 ms, 95th percentile: 1000 ms. If possible, how can a timeout be set in the upstream API for the invocation of the first downstream API to meet the new upstream API's desired SLA?
  
  A : Set a timeout of 100 ms; that leaves 400 ms for the other two downstream APIs to complete
  
  B : Do not set a timeout; the Invocation of this API Is mandatory and so we must wait until it responds
  
  C : Set a timeout of 50 ms; this times out more invocations of that API but gives additional room for retries
  
  D :
  No timeout is possible to meet the upstream API's desired SLA; a different SLA must be negotiated with the first downstream API or invoke an alternative API
  
  Answer: D
Question 2
- An Order microservice and a Fulfillment microservice are being designed to communicate with their dients through message-based integration (and NOT through API invocations). The Order microservice publishes an Order message (a kind of command message) containing the details of an order to be fulfilled. The intention is that Order messages are only consumed by one Mute application, the Fulfillment microservice. The Fulfilment microservice consumes Order messages, fulfills the order described therein, and then publishes an OrderFulfilted message (a kind of event message). Each OrderFulfilted message can be consumed by any interested Mule application, and the Order microservice is one such Mute application. What is the most appropriate choice of message broker(s) and message destination(s) in this scenario?
  
  A :
  Order messages are sent to an Anypoint MQ exchange OrderFulfilled messages are sent to an Anypoint MQ queue Both microservices interact with Anypoint MQ as the message broker, which must therefore scale to support the load of both microservices
  
  B :
  Order messages are sent to a JMS queue. OrderFulfilled messages are sent to a JMS topic Both microservices interact with the same JMS provider (message broker) instance, which must therefore scale to support the load of both microservices
  
  C :
  Order messages are sent directly to the Fulfillment microservices. OrderFulfilled messages are sent directly to the Order microservice The Order microservice interacts with one AMQP-compatible message broker and the Fulfillment microservice interacts with a different AMQP-compatible message broker, so that both message brokers can be chosen and scaled to best support the load of each microservice
  
  D :
  Order messages are sent to a JMS queue. OrderFulfilled messages are sent to a JMS topic The Order microservice interacts with one JMS provider (message broker) and the Fulfillment microservice interacts with a different JMS provider, so that both message brokers can be chosen and scaled to best support the load of each microservice
  
  Answer: B
Question 3
- Refer to the exhibit.
  An organization is sizing an Anypoint VPC for the non-production deployments of those Mule applications that connect to the organization's on-premises systems. This applies to approx. 60 Mule applications. Each application is deployed to two CloudHub i workers. The organization currently has three non-production environments (DEV, SIT and UAT) that share this VPC. The AWS region of the VPC has two AZs. The organization has a very mature DevOps approach which automatically progresses each application through all non-production environments before automatically deploying to production. This process results in several Mule application deployments per hour, using CloudHub's normal zero-downtime deployment feature. What is a CIDR block for this VPC that results in the smallest usable private IP address range?
  
  A : 10.0.0.0/26 (64 IPS)
  
  B : 10.0.0.0/25 (128 IPs)
  
  C : 10.0.0.0/24 (256 IPs)
  
  D : 10.0.0.0/22 (1024 IPs)
  
  Answer: D
Question 4
- An organization is not meeting its growth and innovation objectives because IT cannot deliver projects last enough to keep up with the pace of change required by the business. According to MuleSoft’s IT delivery and operating model, which step should the organization lake to solve this problem?
  
  A :
  Modify IT governance and security controls so that line of business developers can have direct access to the organization's systems of record
  
  B : Switch from a design-first to a code-first approach for IT development
  
  C :
  Adopt a new approach that decouples core IT projects from the innovation that happens within each line of business
  
  D : Hire more |T developers, architects, and project managers to increase IT delivery
  
  Answer: C
Question 5
- How should the developer update the logging configuration in order to enable this package specific debugging?
  
  A :
  In Anypoint Monitoring, define a logging search query with class property set to org.apache.cxf and level set to DEBUG
  
  B :
  In the Mule application's log4j2.xml file, add an AsyncLogger element with name property set to org.apache.cxf and level set to DEBUG, then redeploy the Mule application in the CloudHub production environment
  
  C :
  In the Mule application's log4j2.xmI file, change the root logger's level property to DEBUG, then redeploy the Mule application to the CloudHub production environment
  
  D :
  In Anypoint Runtime Manager, in the Deployed Application Properties tab for the Mule application, add a line item with DEBUG level for package org.apache.cxf and apply the changes
  
  Answer: A

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