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MuleSoft MCIA-Level-1-Maintenance MuleSoft Certified Integration Architect - Level 1 MAINTENANCE Exam Practice Test

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Total 116 questions

MuleSoft Certified Integration Architect - Level 1 MAINTENANCE Questions and Answers

Question 1

A Mule application uses APIkit for SOAP to implement a SOAP web service. The Mule application has been deployed to a CloudHub worker in a testing environment.

The integration testing team wants to use a SOAP client to perform Integration testing. To carry out the integration tests, the integration team must obtain the interface definition for the SOAP web service.

What is the most idiomatic (used for its intended purpose) way for the integration testing team to obtain the interface definition for the deployed SOAP web service in order to perform integration testing with the SOAP client?

Options:

A.

Retrieve the OpenAPI Specification file(s) from API Manager

B.

Retrieve the WSDL file(s) from the deployed Mule application

C.

Retrieve the RAML file(s) from the deployed Mule application

D.

Retrieve the XML file(s) from Runtime Manager

Question 2

To implement predictive maintenance on its machinery equipment, ACME Tractors has installed thousands of IoT sensors that will send data for each machinery asset as sequences of JMS messages, in near real-time, to a JMS queue named SENSOR_DATA on a JMS server. The Mule application contains a JMS Listener operation configured to receive incoming messages from the JMS servers SENSOR_DATA JMS queue. The Mule application persists each received JMS message, then sends a transformed version of the corresponding Mule event to the machinery equipment back-end systems.

The Mule application will be deployed to a multi-node, customer-hosted Mule runtime cluster. Under normal conditions, each JMS message should be processed exactly once.

How should the JMS Listener be configured to maximize performance and concurrent message processing of the JMS queue?

Options:

A.

Set numberOfConsumers = 1

Set primaryNodeOnly = false

B.

Set numberOfConsumers = 1

Set primaryNodeOnly = true

C.

Set numberOfConsumers to a value greater than one

Set primaryNodeOnly = true

D.

Set numberOfConsumers to a value greater than one

Set primaryNodeOnly = false

Question 3

An organization has deployed runtime fabric on an eight note cluster with performance profile. An API uses and non persistent object store for maintaining some of its state data. What will be the impact to the stale data if server crashes?

Options:

A.

State data is preserved

B.

State data is rolled back to a previously saved version

C.

State data is lost

D.

State data is preserved as long as more than one more is unaffected by the crash

Question 4

An auto mobile company want to share inventory updates with dealers Dl and D2 asynchronously and concurrently via queues Q1 and Q2. Dealer Dl must consume the message from the queue Q1 and dealer D2 to must consume a message from the queue Q2.

Dealer D1 has implemented a retry mechanism to reprocess the transaction in case of any errors while processing the inventers updates. Dealer D2 has not implemented any retry mechanism.

How should the dealers acknowledge the message to avoid message loss and minimize impact on the current implementation?

Options:

A.

Dealer D1 must use auto acknowledgement and dealer D2 can use manual acknowledgement and acknowledge the message after successful processing

B.

Dealer D1 can use auto acknowledgement and dealer D2 can use IMMEDIATE acknowledgement and acknowledge the message of successful processing

C.

Dealer D1 and dealer D2 must use AUTO acknowledgement and acknowledge the message after successful processing

D.

Dealer D1 can use AUTO acknowledgement and dealer D2 must use manual acknowledgement and acknowledge the message

after successful processing

Question 5

A company wants its users to log in to Anypoint Platform using the company's own internal user credentials. To achieve this, the company needs to integrate an external identity provider (IdP) with the company's Anypoint Platform master organization, but SAML 2.0 CANNOT be used. Besides SAML 2.0, what single-sign-on standard can the company use to integrate the IdP with their Anypoint Platform master organization?

Options:

A.

SAML 1.0

B.

OAuth 2.0

C.

Basic Authentication

D.

OpenID Connect

Question 6

An organization is using Mulesoft cloudhub and develops API's in the latest version. As a part of requirements for one of the API's, third party API needs to be called. The security team has made it clear that calling any external API needs to have include listing

As an integration architect please suggest the best way to accomplish the design plan to support these requirements?

Options:

A.

Implement includelist IP on the cloudhub VPC firewall to allow the traffic

B.

Implement the validation of includelisted IP operation

C.

Implement the Any point filter processor to implement the include list IP

D.

Implement a proxy for the third party API and enforce the IPinclude list policy and call this proxy from the flow of the API

Question 7

An API implementation is being developed to expose data from a production database via HTTP requests. The API implementation executes a database SELECT statement that is dynamically created based upon data received from each incoming HTTP request. The developers are planning to use various types of testing to make sure the Mule application works as expected, can handle specific workloads, and behaves correctly from an API consumer perspective. What type of testing would typically mock the results from each SELECT statement rather than actually execute it in the production database?

Options:

A.

Unit testing (white box)

B.

Integration testing

C.

Functional testing (black box)

D.

Performance testing

Question 8

The AnyAirline organization's passenger reservations center is designing an integration solution that combines invocations of three different System APIs (bookFlight, bookHotel, and bookCar) in a business transaction. Each System API makes calls to a single database.

The entire business transaction must be rolled back when at least one of the APIs fails.

What is the most idiomatic (used for its intended purpose) way to integrate these APIs in near real-time that provides the best balance of consistency, performance, and reliability?

Options:

A.

Implement eXtended Architecture (XA) transactions between the API implementations

Coordinate between the API implementations using a Saga pattern

Implement caching in each API implementation to improve performance

B.

Implement local transactions within each API implementation

Configure each API implementation to also participate in the same eXtended Architecture (XA) transaction

Implement caching in each API implementation to improve performance

C.

Implement local transactions in each API implementation

Coordinate between the API implementations using a Saga pattern

Apply various compensating actions depending on where a failure occurs

D.

Implement an eXtended Architecture (XA) transaction manager in a Mule application using a Saga pattern

Connect each API implementation with the Mule application using XA transactions

Apply various compensating actions depending on where a failure occurs

Question 9

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?

Options:

A.

Choose the same region as to where the Mule application is deployed

B.

Choose the US-West region, the only supported region for CloudHub object stores

C.

Choose the geographically closest available region for each web client

D.

Choose a region that is the traffic-weighted geographic center of all web clients

Question 10

An organization is designing multiple new applications to run on CloudHub in a single Anypoint VPC and that must share data using a common persistent Anypoint object store V2 (OSv2).

Which design gives these mule applications access to the same object store instance?

Options:

A.

AVM connector configured to directly access the persistence queue of the persistent object store

B.

An Anypoint MQ connector configured to directly access the persistent object store

C.

Object store V2 can be shared across cloudhub applications with the configured osv2 connector

D.

The object store V2 rest API configured to access the persistent object store

Question 11

In one of the critical payment related mule application, transaction is being used . As an enhancement to implementation , scatter gather route is introduced which is also the part of transaction group. Scatter gather route has 4 routes.

What will be the behavior of the Mule application in case of error occurs in 4th route of the scatter-gather router and transaction needs to be rolled back?

Options:

A.

Only errored route will be rolled back

B.

All routes will be rolled back

C.

Scatter Gather router cannot be part of transaction

Question 12

An organization is migrating all its Mule applications to Runtime Fabric (RTF). None of the Mule applications use Mule domain projects.

Currently, all the Mule applications have been manually deployed to a server group among several customer hosted Mule runtimes.

Port conflicts between these Mule application deployments are currently managed by the DevOps team who carefully manage Mule application properties files.

When the Mule applications are migrated from the current customer-hosted server group to Runtime Fabric (RTF), fo the Mule applications need to be rewritten and what DevOps port configuration responsibilities change or stay the same?

Options:

A.

Yes, the Mule applications Must be rewritten

DevOps No Longer needs to manage port conflicts between the Mule applications

B.

Yes, the Mule applications Must be rewritten

DevOps Must Still Manage port conflicts.

C.

NO, The Mule applications do NOT need to be rewritten

DevOps MUST STILL manage port conflicts

D.

NO, the Mule applications do NO need to be rewritten

DevOps NO LONGER needs to manage port conflicts between the Mule applications.

Question 13

A project team uses RAML specifications to document API functional requirements and deliver API definitions. As per the current legal requirement, all designed API definitions to be augmented with an additional non-functional requirement to protect the services from a high rate of requests according to define service level agreements.

Assuming that the project is following Mulesoft API governance and policies, how should the project team convey the necessary non-functional requirement to stakeholders?

Options:

A.

Create proxies in API manager for the non functional requirement and publish to exchange

B.

Add all non functional requirements as comments to RAML specification and publish to exchange

C.

Create various SLA's in API manager for the non functional requirement and publish to exchange

D.

Update API definitions with the fragment for the appropriate policy and publish to exchange

Question 14

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?

Options:

A.

Use secure::dbPassword as the property placeholder name and store the cleartext (unencrypted) value in a secure properties placeholder file

B.

Use secure::dbPassword as the property placeholder name and store the property encrypted value in a secure properties placeholder file

C.

Add the dbPassword property to the secureProperties section of the pom.xml file

D.

Add the dbPassword property to the secureProperties section of the mule-artifact.json file

Question 15

An organization is implementing a Quote of the Day API that caches today's quote. What scenario can use the CloudHub Object Store connector to persist the cache's state?

Options:

A.

When there is one deployment of the API implementation to CloudHub and another one to customer hosted mule runtime that must share the cache state.

B.

When there are two CloudHub deployments of the API implementation by two Anypoint Platform business groups to the same CloudHub region that must share the cache state.

C.

When there is one CloudHub deployment of the API implementation to three workers that must share the cache state.

D.

When there are three CloudHub deployments of the API implementation to three separate CloudHub regions that must share the cache state.

Question 16

An organization needs to enable access to their customer data from both a mobile app and a web application, which each need access to common fields as well as certain unique fields. The data is available partially in a database and partially in a 3rd-party CRM system. What APIs should be created to best fit these design requirements?

Question # 16

Options:

A.

A Process API that contains the data required by both the web and mobile apps, allowing these applications to invoke it directly and access the data they need thereby providing the flexibility to add more fields in the future without needing API changes.

B.

One set of APIs (Experience API, Process API, and System API) for the web app, and another set for the mobile app.

C.

Separate Experience APIs for the mobile and web app, but a common Process API that invokes separate System APIs created for the database and CRM system

D.

A common Experience API used by both the web and mobile apps, but separate Process APIs for the web and mobile apps that interact with the database and the CRM System.

Question 17

A rale limiting policy has been applied to a soap VI.2 API published in Clondhub. The API implementation catches errors in a global error handler on error propagate in the main flow for HTTP: RETRY_EXHAUSTED with HTTP status set to 429 and any with the HTTP status set to 500.

What is the expected H1TP status when the client exceeds the quota of the API calls?

Options:

A.

HTTP status 429 as defined in the HTTP:RETRY EXHAUSTED error handler in the API B. HTTP status 500 as defined in the ANY error handler in the API since an API:RETRY_EXHAUSTED will be generated

B.

HTTP status 401 unauthorized for policy violation

C.

HTTP status 400 from the rate-limiting policy violation since the call does not reach the back-end

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Total 116 questions