100% Accurate Answers! Oct-2022 MCPA-Level-1 Actual Real Exam Questions
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Becoming a MuleSoft architect can either be achieved through the platform or the integration architect path. In the first case, candidates are tested for their ability to create company-level decisions by looking at the big picture in building an effective application network. This path is designed for higher-level solutions or enterprise architects.
MuleSoft MCPA-Level-1 Exam Syllabus Topics:
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NEW QUESTION 53
An API implementation is updated. When must the RAML definition of the API also be updated?
- A. When the API implementation is migrated from an older to a newer version of the Mule runtime
- B. When the API implementation changes from interacting with a legacy backend system deployed on-premises to a modern, cloud-based (SaaS) system
- C. When the API implementation is optimized to improve its average response time
- D. When the API implementation changes the structure of the request or response messages
Answer: D
NEW QUESTION 54
An API implementation is deployed on a single worker on CloudHub and invoked by external API clients (outside of CloudHub). How can an alert be set up that is guaranteed to trigger AS SOON AS that API implementation stops responding to API invocations?
- A. Configure a "worker not responding" alert in Anypoint Runtime Manager
- B. Create an alert for when the API receives no requests within a specified time period
- C. Handle API invocation exceptions within the calling API client and raise an alert from that API client when the API Is unavailable
- D. Implement a heartbeat/health check within the API and invoke it from outside the Anypoint Platform and alert when the heartbeat does not respond
Answer: B
NEW QUESTION 55
The application network is recomposable: it is built for change because it "bends but does not break"
- A. TRUE
- B. FALSE
Answer: A
Explanation:
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>> Application Network is a disposable architecture.
>> Which means, it can be altered without disturbing entire architecture and its components.
>> It bends as per requirements or design changes but does not break
NEW QUESTION 56
A Mule application exposes an HTTPS endpoint and is deployed to the CloudHub Shared Worker Cloud. All traffic to that Mule application must stay inside the AWS VPC.
To what TCP port do API invocations to that Mule application need to be sent?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Correct answer: 8082
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>> 8091 and 8092 ports are to be used when keeping your HTTP and HTTPS app private to the LOCAL VPC respectively.
>> Above TWO ports are not for Shared AWS VPC/ Shared Worker Cloud.
>> 8081 is to be used when exposing your HTTP endpoint app to the internet through Shared LB
>> 8082 is to be used when exposing your HTTPS endpoint app to the internet through Shared LB So, API invocations should be sent to port 8082 when calling this HTTPS based app.
References:
https://docs.mulesoft.com/runtime-manager/cloudhub-networking-guide
https://help.mulesoft.com/s/article/Configure-Cloudhub-Application-to-Send-a-HTTPS-Request-Directly-to-Another-Cloudhub-Application
https://help.mulesoft.com/s/question/0D52T00004mXXULSA4/multiple-http-listerners-on-cloudhub-one-with-port-9090
NEW QUESTION 57
When must an API implementation be deployed to an Anypoint VPC?
- A. When the API Implementation must write to a persistent Object Store
- B. When the API Implementation must invoke publicly exposed services that are deployed outside of CloudHub in a customer- managed AWS instance
- C. When the API implementation must be deployed to a production AWS VPC using the Mule Maven plugin
- D. When the API implementation must be accessible within a subnet of a restricted customer-hosted network that does not allow public access
Answer: D
NEW QUESTION 58
What is a typical result of using a fine-grained rather than a coarse-grained API deployment model to implement a given business process?
- A. A higher number of discoverable API-related assets in the application network
- B. A decrease in the number of connections within the application network supporting the business process
- C. A better response time for the end user as a result of the APIs being smaller in scope and complexity
- D. An overall tower usage of resources because each fine-grained API consumes less resources
Answer: C
NEW QUESTION 59
What Mule application deployment scenario requires using Anypoint Platform Private Cloud Edition or Anypoint Platform for Pivotal Cloud Foundry?
- A. When it is required that ALL APIs are private and NOT exposed to the public cloud
- B. When it Is required to make ALL applications highly available across multiple data centers
- C. When ALL backend systems in the application network are deployed in the organization's intranet
- D. When regulatory requirements mandate on-premises processing of EVERY data item, including meta-data
Answer: D
NEW QUESTION 60
What is most likely NOT a characteristic of an integration test for a REST API implementation?
- A. The test runs immediately after the Mule application has been compiled and packaged
- B. The test needs all source and/or target systems configured and accessible
- C. The test prepares a known request payload and validates the response payload
- D. The test is triggered by an external HTTP request
Answer: A
Explanation:
Correct answer: The test runs immediately after the Mule application has been compiled and packaged
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>> Integration tests are the last layer of tests we need to add to be fully covered.
>> These tests actually run against Mule running with your full configuration in place and are tested from external source as they work in PROD.
>> These tests exercise the application as a whole with actual transports enabled. So, external systems are affected when these tests run.
So, these tests do NOT run immediately after the Mule application has been compiled and packaged.
FYI... Unit Tests are the one that run immediately after the Mule application has been compiled and packaged.
NEW QUESTION 61
What API policy would LEAST likely be applied to a Process API?
- A. Rate limiting
- B. JSON threat protection
- C. Custom circuit breaker
- D. Client ID enforcement
Answer: C
NEW QUESTION 62
When designing an upstream API and its implementation, the development team has been advised to NOT set timeouts when invoking a downstream API, because that downstream API has no SLA that can be relied upon.
This is the only downstream API dependency of that upstream API.
- A. A toad-dependent timeout of less than 1000 ms will be applied by the Mule runtime in which the downstream API implementation executes
- B. Assume the downstream API runs uninterrupted without crashing. What is the impact of this advice?
- C. A default timeout of 500 ms will automatically be applied by the Mule runtime in which the upstream API implementation executes
- D. An SLA for the upstream API CANNOT be provided
- E. The invocation of the downstream API will run to completion without timing out
Answer: E
NEW QUESTION 63
What correctly characterizes unit tests of Mule applications?
- A. They must be triggered by an external client tool or event source
- B. They must be run in a unit testing environment with dedicated Mule runtimes for the environment
- C. They test the validity of input and output of source and target systems
- D. They are typically written using MUnit to run in an embedded Mule runtime that does not require external connectivity
Answer: B
Explanation:
Explanation
https://dzone.com/articles/munit-framework
NEW QUESTION 64
Refer to the exhibit.
A RAML definition has been proposed for a new Promotions Process API, and has been published to Anypoint Exchange.
The Marketing Department, who will be an important consumer of the Promotions API, has important requirements and expectations that must be met.
What is the most effective way to use Anypoint Platform features to involve the Marketing Department in this early API design phase?
A) Ask the Marketing Department to interact with a mocking implementation of the API using the automatically generated API Console
B) Organize a design workshop with the DBAs of the Marketing Department in which the database schema of the Marketing IT systems is translated into RAML
C) Use Anypoint Studio to Implement the API as a Mule application, then deploy that API implementation to CloudHub and ask the Marketing Department to interact with it
D) Export an integration test suite from API designer and have the Marketing Department execute the tests In that suite to ensure they pass
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: D
NEW QUESTION 65
What API policy would be LEAST LIKELY used when designing an Experience API that is intended to work with a consumer mobile phone or tablet application?
- A. JSON threat protection
- B. IP whitelist
- C. Client ID enforcement
- D. OAuth 2.0 access token enforcement
Answer: A
NEW QUESTION 66
What is a typical result of using a fine-grained rather than a coarse-grained API deployment model to implement a given business process?
- A. A decrease in the number of connections within the application network supporting the business process.
- B. An overall lower usage of resources because each fine-grained API consumes less resources.
- C. A better response time for the end user as a result of the APIs being smaller in scope and complexity.
- D. A higher number of discoverable API-related assets in the application network.
Answer: C
NEW QUESTION 67
An organization wants to make sure only known partners can invoke the organization's APIs. To achieve this security goal, the organization wants to enforce a Client ID Enforcement policy in API Manager so that only registered partner applications can invoke the organization's APIs. In what type of API implementation does MuleSoft recommend adding an API proxy to enforce the Client ID Enforcement policy, rather than embedding the policy directly in the application's JVM?
- A. A Mule 3 application using APIkit
- B. A Mule 4 application with an API specification
- C. A Non-Mule application
- D. A Mule 3 or Mule 4 application modified with custom Java code
Answer: C
Explanation:
Correct answer: A Non-Mule application
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>> All type of Mule applications (Mule 3/ Mule 4/ with APIkit/ with Custom Java Code etc) running on Mule Runtimes support the Embedded Policy Enforcement on them.
>> The only option that cannot have or does not support embedded policy enforcement and must have API Proxy is for Non-Mule Applications.
So, Non-Mule application is the right answer.
NEW QUESTION 68
A Mule application exposes an HTTPS endpoint and is deployed to three CloudHub workers that do not use static IP addresses. The Mule application expects a high volume of client requests in short time periods. What is the most cost-effective infrastructure component that should be used to serve the high volume of client requests?
- A. An API proxy
- B. A customer-hosted load balancer
- C. Runtime Manager autoscaling
- D. The CloudHub shared load balancer
Answer: D
Explanation:
Correct answer: The CloudHub shared load balancer
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The scenario in this question can be split as below:
>> There are 3 CloudHub workers (So, there are already good number of workers to handle high volume of requests)
>> The workers are not using static IP addresses (So, one CANNOT use customer load-balancing solutions without static IPs)
>> Looking for most cost-effective component to load balance the client requests among the workers.
Based on the above details given in the scenario:
>> Runtime autoscaling is NOT at all cost-effective as it incurs extra cost. Most over, there are already 3 workers running which is a good number.
>> We cannot go for a customer-hosted load balancer as it is also NOT most cost-effective (needs custom load balancer to maintain and licensing) and same time the Mule App is not having Static IP Addresses which limits from going with custom load balancing.
>> An API Proxy is irrelevant there as it has no role to play w.r.t handling high volumes or load balancing.
So, the only right option to go with and fits the purpose of scenario being most cost-effective is - using a CloudHub Shared Load Balancer.
NEW QUESTION 69
An organization uses various cloud-based SaaS systems and multiple on-premises systems. The on-premises systems are an important part of the organization's application network and can only be accessed from within the organization's intranet.
What is the best way to configure and use Anypoint Platform to support integrations with both the cloud-based SaaS systems and on-premises systems?
A) Use CloudHub-deployed Mule runtimes in an Anypoint VPC managed by Anypoint Platform Private Cloud Edition control plane
B) Use CloudHub-deployed Mule runtimes in the shared worker cloud managed by the MuleSoft-hosted Anypoint Platform control plane
C) Use an on-premises installation of Mule runtimes that are completely isolated with NO external network access, managed by the Anypoint Platform Private Cloud Edition control plane
D) Use a combination of Cloud Hub-deployed and manually provisioned on-premises Mule runtimes managed by the MuleSoft-hosted Anypoint Platform control plane
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Answer: D
Explanation:
Correct answer: Use a combination of CloudHub-deployed and manually provisioned on-premises Mule runtimes managed by the MuleSoft-hosted Platform control plane.
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Key details to be taken from the given scenario:
>> Organization uses BOTH cloud-based and on-premises systems
>> On-premises systems can only be accessed from within the organization's intranet Let us evaluate the given choices based on above key details:
>> CloudHub-deployed Mule runtimes can ONLY be controlled using MuleSoft-hosted control plane. We CANNOT use Private Cloud Edition's control plane to control CloudHub Mule Runtimes. So, option suggesting this is INVALID
>> Using CloudHub-deployed Mule runtimes in the shared worker cloud managed by the MuleSoft-hosted Anypoint Platform is completely IRRELEVANT to given scenario and silly choice. So, option suggesting this is INVALID
>> Using an on-premises installation of Mule runtimes that are completely isolated with NO external network access, managed by the Anypoint Platform Private Cloud Edition control plane would work for On-premises integrations. However, with NO external access, integrations cannot be done to SaaS-based apps. Moreover CloudHub-hosted apps are best-fit for integrating with SaaS-based applications. So, option suggesting this is BEST WAY.
The best way to configure and use Anypoint Platform to support these mixed/hybrid integrations is to use a combination of CloudHub-deployed and manually provisioned on-premises Mule runtimes managed by the MuleSoft-hosted Platform control plane.
NEW QUESTION 70
Refer to the exhibit. An organization is running a Mule standalone runtime and has configured Active Directory as the Anypoint Platform external Identity Provider. The organization does not have budget for other system components.
What policy should be applied to all instances of APIs in the organization to most effecuvelyKestrict access to a specific group of internal users?
- A. Apply an IP whitelist policy; only the specific users' workstations will be in the whitelist
- B. Apply a basic authentication - LDAP policy; the internal Active Directory will be configured as the LDAP source for authenticating users
- C. Apply an OAuth 2.0 access token enforcement policy; the internal Active Directory will be configured as the OAuth server
- D. Apply a client ID enforcement policy; the specific group of users will configure their client applications to use their specific client credentials
Answer: B
NEW QUESTION 71
The implementation of a Process API must change.
What is a valid approach that minimizes the impact of this change on API clients?
- A. Implement required changes to the Process API implementation so that, whenever possible, the Process API's RAML definition remains unchanged.
- B. Postpone changes until API consumers acknowledge they are ready to migrate to a new Process API or API version.
- C. Implement the Process API changes in a new API implementation, and have the old API implementation return an HTTP status code 301 - Moved Permanentlyto inform API clients they should be calling the new API implementation.
- D. Update the RAML definition of the current Process API and notify API client developers by sending them links to the updated RAML definition.
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 72
An organization is implementing a Quote of the Day API that caches today's quote.
What scenario can use the GoudHub Object Store via the Object Store connector to persist the cache's state?
- A. When there is one deployment of the API implementation to CloudHub and anottV deployment to a 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 are three CloudHub deployments of the API implementation to three separate CloudHub regions that must share the cache state
- D. When there is one CloudHub deployment of the API implementation to three CloudHub workers that must share the cache state
Answer: D
NEW QUESTION 73
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