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MuleSoft MCIA-Level-1-Maintenance Exam Syllabus Topics:

Topic	Details
Topic 1	Create high-level integration architectures using event-driven APIs and message brokers Create high-level integration architectures using API-led Connectivity
Topic 2	Designing integration solutions to meet reliability requirements Design Mule applications and integration solutions to meet performance and capacity goals
Topic 3	Select deployment options of the Anypoint Platform control plane and runtime plane Initiating integration solutions on Anypoint Platform
Topic 4	Describe the characteristics and implications of the Mule 4 reactive event processing model Designing for the runtime plane technology architecture
Topic 5	Describe the fundamental features of the Salesforce connector Correctly apply methods for validating data in Mule applications
Topic 6	Designing architecture using integration paradigms Create high-level integration architectures using web APIs and HTTP
Topic 7	Designing integration solutions to meet performance requirements Design Mule applications using available streaming features in Mule
Topic 8	Design Mule applications using core routers available to all Mule applications Design Mule applications using common features of core connectors
Topic 9	Analyze and counteract potential security vulnerabilities of Mule applications Designing integration solutions to meet security requirements
Topic 10	Select and use the available sources of metadata in the Transform Message component Select among available options for setting Mule application properties

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MuleSoft Certified Integration Architect - Level 1 MAINTENANCE Sample Questions (Q101-Q106):

NEW QUESTION # 101
An organization has just developed a Mule application that implements a REST API. The mule application will be deployed to a cluster of customer hosted Mule runtimes.
What additional infrastructure component must the customer provide in order to distribute inbound API requests across the Mule runtimes of the cluster?

• A. An Object Store
• B. A message broker
• C. An HTTP Load Balancer
• D. A database

Answer: C Explanation:
Explanation
Correct answer is An HTTP Load Balancer.
Key thing to note here is that we are deploying application to customer hosted Mule runtime. This means we will need load balancer to route the requests to different instances of the cluster.
Rest all options are distractors and their requirement depends on project use case.
NEW QUESTION # 102
An organization is creating a Mule application that will be deployed to CloudHub. The Mule application has a property named dbPassword that stores a database user's password.
The organization's security standards indicate that the dbPassword property must be hidden from every Anypoint Platform user after the value is set in the Runtime Manager Properties tab.
What configuration in the Mule application helps hide the dbPassword property value in Runtime Manager?

• A. Use secure::dbPassword as the property placeholder name and store the cleartext (unencrypted) value in a secure properties placeholder file
• B. Add the dbPassword property to the secureProperties section of the pom.xml file
• C. Use secure::dbPassword as the property placeholder name and store the property encrypted value in a secure properties placeholder file
• D. Add the dbPassword property to the secureProperties section of the mule-artifact.json file

Answer: C
NEW QUESTION # 103
A global, high-volume shopping Mule application is being built and will be deployed to CloudHub. To improve performance, the Mule application uses a Cache scope that maintains cache state in a CloudHub object store. Web clients will access the Mule application over HTTP from all around the world, with peak volume coinciding with business hours in the web client's geographic location. To achieve optimal performance, what Anypoint Platform region should be chosen for the CloudHub object store?

• A. Choose the same region as to where the Mule application is deployed
• B. Choose the geographically closest available region for each web client
• C. Choose a region that is the traffic-weighted geographic center of all web clients
• D. Choose the US-West region, the only supported region for CloudHub object stores

Answer: A Explanation:
Explanation
CloudHub object store should be in same region where the Mule application is deployed. This will give optimal performance.
Before learning about Cache scope and object store in Mule 4 we understand what is in general Caching is and other related things.
WHAT DOES "CACHING" MEAN?
Caching is the process of storing frequently used data in memory, file system or database which saves processing time and load if it would have to be accessed from original source location every time.
In computing, a cache is a high-speed data storage layer which stores a subset of data, so that future requests for that data are served up faster than is possible by accessing the data's primary storage location. Caching allows you to efficiently reuse previously retrieved or computed data.
How does Caching work?
The data in a cache is generally stored in fast access hardware such as RAM (Random-access memory) and may also be used in correlation with a software component. A cache's primary purpose is to increase data retrieval performance by reducing the need to access the underlying slower storage layer.
Caching in MULE 4
In Mule 4 caching can be achieved in mule using cache scope and/or object-store. Cache scope internally uses Object Store to store the data.
What is Object Store
Object Store lets applications store data and states across batch processes, Mule components, and applications, from within an application. If used on cloud hub, the object store is shared between applications deployed on Cluster.
Cache Scope is used in below-mentioned cases:
Need to store the whole response from the outbound processor
Data returned from the outbound processor does not change very frequently As Cache scope internally handle the cache hit and cache miss scenarios it is more readable Object Store is used in below-mentioned cases:
Need to store custom/intermediary data
To store watermarks
Sharing the data/stage across applications, schedulers, batch.
If CloudHub object store is in same region where the Mule application is deployed it will aid in fast access of data and give optimal performance.
NEW QUESTION # 104
Refer to the exhibit.

The HTTP Listener and the Logger are being handled from which thread pools respectively?

• A. Shared Selector Pool and CPU LITE
• B. CPU_INTENSIVE and Dedicated Selector pool
• C. UBER and NONBLOCKING
• D. BLOCKING _IO and UBER

Answer: A
NEW QUESTION # 105
What best describes the Fully Qualified Domain Names (FQDNs), also known as DNS entries, created when a Mule application is deployed to the CloudHub Shared Worker Cloud?

• A. The FQDNs are determined by both the application name and the region
• B. A fixed number of FQDNs are created, IRRESPECTIVE of the environment and VPC design
• C. The FQDNs are determined by the application name chosen, IRRESPECTIVE of the region
• D. The FQDNs are determined by the application name, but can be modified by an administrator after deployment

Answer: A Explanation:
Explanation
Every Mule application deployed to CloudHub receives a DNS entry pointing to the CloudHub. The DNS entry is a CNAME for the CloudHub Shared Load Balancer in the region to which the Mule application is deployed. When we deploy the application on CloudHub, we get a generic url to access the endpoints. Generic URL looks as below:
<application-name>.<region>.cloudhub.io <application-name> is the deployed application name which is unique across all the MuleSoft clients. <region> is the region name in which an application is deployed.
The
public CloudHub (shared) load balancer already redirects these requests, where myApp is the name of the Mule application deployment to CloudHub: HTTP requests to http://myApp.
<region>.cloudhub.io redirects to
http://mule-worker-myApp.<region>.cloudhub.io:8081
HTTPS traffic to https://myApp.<region>.cloudhub.io redirects to
https://mule-worker-myApp.<region>.cloudhub.io:8082
NEW QUESTION # 106
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