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NEW QUESTION # 40
What is true about where an API policy is defined in Anypoint Platform and how it is then applied to API instances?
- A. The API policy Is defined In API Manager for a specific API Instance, and then ONLY applied to the specific API instance
- B. The API policy Is defined In Runtime Manager as part of the API deployment to a Mule runtime, and then ONLY applied to the specific API Instance
- C. The API policy Is defined in API Manager and then automatically applied to ALL API instances
- D. The API policy is defined in API Manager, and then applied to ALL API instances in the specified environment
Answer: A
Explanation:
Correct answer: The API policy is defined in API Manager for a specific API instance, and then ONLY applied to the specific API instance.
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>> Once our API specifications are ready and published to Exchange, we need to visit API Manager and register an API instance for each API.
>> API Manager is the place where management of API aspects takes place like addressing NFRs by enforcing policies on them.
>> We can create multiple instances for a same API and manage them differently for different purposes.
>> One instance can have a set of API policies applied and another instance of same API can have different set of policies applied for some other purpose.
>> These APIs and their instances are defined PER environment basis. So, one need to manage them seperately in each environment.
>> We can ensure that same configuration of API instances (SLAs, Policies etc..) gets promoted when promoting to higher environments using platform feature. But this is optional only. Still one can change them per environment basis if they have to.
>> Runtime Manager is the place to manage API Implementations and their Mule Runtimes but NOT APIs itself. Though API policies gets executed in Mule Runtimes, We CANNOT enforce API policies in Runtime Manager. We would need to do that via API Manager only for a cherry picked instance in an environment.
So, based on these facts, right statement in the given choices is - "The API policy is defined in API Manager for a specific API instance, and then ONLY applied to the specific API instance".
NEW QUESTION # 41
A code-centric API documentation environment should allow API consumers to investigate and execute API client source code that demonstrates invoking one or more APIs as part of representative scenarios.
What is the most effective way to provide this type of code-centric API documentation environment using Anypoint Platform?
- A. Enable mocking services for each of the relevant APIs and expose them via their Anypoint Exchange entry
- B. Ensure the APIs are well documented through their Anypoint Exchange entries and API Consoles and share these pages with all API consumers
- C. Create API Notebooks and include them in the relevant Anypoint Exchange entries
- D. Make relevant APIs discoverable via an Anypoint Exchange entry
Answer: C
Explanation:
Correct answer: Create API Notebooks and Include them in the relevant Anypoint exchange entries
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>> API Notebooks are the one on Anypoint Platform that enable us to provide code-centric API documentation Reference:
NEW QUESTION # 42
An API client calls one method from an existing API implementation. The API implementation is later updated. What change to the API implementation would require the API client's invocation logic to also be updated?
- A. When the data type of the response is changed for the method called by the API client
- B. When a new method is added to the resource used by the API client
- C. When a child method is added to the method called by the API client
- D. When a new required field is added to the method called by the API client
Answer: D
Explanation:
When a new required field is added to the method called by the API client
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>> Generally, the logic on API clients need to be updated when the API contract breaks.
>> When a new method or a child method is added to an API , the API client does not break as it can still continue to use its existing method. So these two options are out.
>> We are left for two more where "datatype of the response if changed" and "a new required field is added".
>> Changing the datatype of the response does break the API contract. However, the question is insisting on the "invocation" logic and not about the response handling logic. The API client can still invoke the API successfully and receive the response but the response will have a different datatype for some field.
>> Adding a new required field will break the API's invocation contract. When adding a new required field, the API contract breaks the RAML or API spec agreement that the API client/API consumer and API provider has between them. So this requires the API client invocation logic to also be updated.
NEW QUESTION # 43
What is true about the technology architecture of Anypoint VPCs?
- A. Each CloudHub environment requires a separate Anypoint VPC
- B. The private IP address range of an Anypoint VPC is automatically chosen by CloudHub
- C. VPC peering can be used to link the underlying AWS VPC to an on-premises (non AWS) private network
- D. Traffic between Mule applications deployed to an Anypoint VPC and on-premises systems can stay within a private network
Answer: D
Explanation:
Traffic between Mule applications deployed to an Anypoint VPC and on-premises systems can stay within a private network
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>> The private IP address range of an Anypoint VPC is NOT automatically chosen by CloudHub. It is chosen by us at the time of creating VPC using thr CIDR blocks.
CIDR Block: The size of the Anypoint VPC in Classless Inter-Domain Routing (CIDR) notation.
For example, if you set it to 10.111.0.0/24, the Anypoint VPC is granted 256 IP addresses from 10.111.0.0 to
10.111.0.255.
Ideally, the CIDR Blocks you choose for the Anypoint VPC come from a private IP space, and should not overlap with any other Anypoint VPC's CIDR Blocks, or any CIDR Blocks in use in your corporate network.
that each CloudHub environment requires a separate Anypoint VPC. Once an Anypoint VPC is created, we can choose a same VPC by multiple environments. However, it is generally a best and recommended practice to always have seperate Anypoint VPCs for Non-Prod and Prod environments.
>> We use Anypoint VPN to link the underlying AWS VPC to an on-premises (non AWS) private network.
NOT VPC Peering.
NEW QUESTION # 44
How are an API implementation, API client, and API consumer combined to invoke and process an API?
- A. The ApI consumer creates an API client, which sends API invocations to an API such that they are processed by an API implementation
- B. The API consumer creates an API implementation, which receives API invocations from an API such that they are processed for an API client
- C. The API client creates an API consumer, which receives API invocations from an API such that they are processed for an API implementation
- D. The ApI client creates an API consumer, which sends API invocations to an API such that they are processed by an API implementation
Answer: A
NEW QUESTION # 45
An organization has several APIs that accept JSON data over HTTP POST. The APIs are all publicly available and are associated with several mobile applications and web applications.
The organization does NOT want to use any authentication or compliance policies for these APIs, but at the same time, is worried that some bad actor could send payloads that could somehow compromise the applications or servers running the API implementations.
What out-of-the-box Anypoint Platform policy can address exposure to this threat?
- A. Apply a Header injection and removal policy that detects the malicious data before it is used
- B. Apply an IP blacklist policy to all APIs; the blacklist will Include all bad actors
- C. Shut out bad actors by using HTTPS mutual authentication for all API invocations
- D. Apply a JSON threat protection policy to all APIs to detect potential threat vectors
Answer: D
Explanation:
Apply a JSON threat protection policy to all APIs to detect potential threat vectors
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>> Usually, if the APIs are designed and developed for specific consumers (known consumers/customers) then we would IP Whitelist the same to ensure that traffic only comes from them.
>> However, as this scenario states that the APIs are publicly available and being used by so many mobile and web applications, it is NOT possible to identify and blacklist all possible bad actors.
>> So, JSON threat protection policy is the best chance to prevent any bad JSON payloads from such bad actors.
NEW QUESTION # 46
What is most likely NOT a characteristic of an integration test for a REST API implementation?
- A. The test prepares a known request payload and validates the response payload
- B. The test runs immediately after the Mule application has been compiled and packaged
- C. The test needs all source and/or target systems configured and accessible
- D. The test is triggered by an external HTTP request
Answer: B
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 # 47
What is a key requirement when using an external Identity Provider for Client Management in Anypoint Platform?
- A. Single sign-on is required to sign in to Anypoint Platform
- B. APIs managed by Anypoint Platform must be protected by SAML 2.0 policies
- C. To invoke OAuth 2.0-protected APIs managed by Anypoint Platform, API clients must submit access tokens issued by that same Identity Provider
- D. The application network must include System APIs that interact with the Identity Provider
Answer: C
Explanation:
Explanation
https://www.folkstalk.com/2019/11/mulesoft-integration-and-platform.html
NEW QUESTION # 48
The implementation of a Process API must change.
What is a valid approach that minimizes the impact of this change on API clients?
- A. Update the RAML definition of the current Process API and notify API client developers by sending them links to the updated RAML definition
- 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 Permanently to inform API clients they should be calling the new API implementation
- D. Implement required changes to the Process API implementation so that whenever possible, the Process API's RAML definition remains unchanged
Answer: C
NEW QUESTION # 49
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 default timeout of 500 ms will automatically be applied by the Mule runtime in which the upstream API implementation executes
- B. A toad-dependent timeout of less than 1000 ms will be applied by the Mule runtime in which the downstream API implementation executes
- C. Assume the downstream API runs uninterrupted without crashing. What is the impact of this advice?
- D. The invocation of the downstream API will run to completion without timing out
- E. An SLA for the upstream API CANNOT be provided
Answer: A
NEW QUESTION # 50
When using CloudHub with the Shared Load Balancer, what is managed EXCLUSIVELY by the API implementation (the Mule application) and NOT by Anypoint Platform?
- A. The SSL certificates used by the API implementation to expose HTTPS endpoints
- B. The assignment of each HTTP request to a particular CloudHub worker
- C. The logging configuration that enables log entries to be visible in Runtime Manager
- D. The number of DNS entries allocated to the API implementation
Answer: A
Explanation:
Correct answer: The SSL certificates used by the API implementation to expose HTTPS endpoints
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>> The assignment of each HTTP request to a particular CloudHub worker is taken care by Anypoint Platform itself. We need not manage it explicitly in the API implementation and in fact we CANNOT manage it in the API implementation.
>> The logging configuration that enables log entries to be visible in Runtime Manager is ALWAYS managed in the API implementation and NOT just for SLB. So this is not something we do EXCLUSIVELY when using SLB.
>> We DO NOT manage the number of DNS entries allocated to the API implementation inside the code. Anypoint Platform takes care of this.
It is the SSL certificates used by the API implementation to expose HTTPS endpoints that is to be managed EXCLUSIVELY by the API implementation. Anypoint Platform does NOT do this when using SLBs.
NEW QUESTION # 51
Mule applications that implement a number of REST APIs are deployed to their own subnet that is inaccessible from outside the organization.
External business-partners need to access these APIs, which are only allowed to be invoked from a separate subnet dedicated to partners - called Partner-subnet. This subnet is accessible from the public internet, which allows these external partners to reach it.
Anypoint Platform and Mule runtimes are already deployed in Partner-subnet. These Mule runtimes can already access the APIs.
What is the most resource-efficient solution to comply with these requirements, while having the least impact on other applications that are currently using the APIs?
- A. Implement (or generate) an API proxy Mule application for each of the APIs, then deploy the API proxies to the Mule runtimes
- B. Duplicate the APIs as Mule applications, then deploy them to the Mule runtimes
- C. Add an additional endpoint to each API for partner-enablement consumption
- D. Redeploy the API implementations to the same servers running the Mule runtimes
Answer: D
NEW QUESTION # 52
An API experiences a high rate of client requests (TPS) vwth small message paytoads. How can usage limits be imposed on the API based on the type of client application?
- A. Use a spike control policy that limits the number of requests for each client application type
- B. Use an SLA-based rate limiting policy and assign a client application to a matching SLA tier based on its type
- C. Use a rate limiting policy and a client ID enforcement policy, each configured by the client application type
- D. Use a cross-origin resource sharing (CORS) policy to limit resource sharing between client applications, configured by the client application type
Answer: B
Explanation:
Correct answer: Use an SLA-based rate limiting policy and assign a client application to a matching SLA tier based on its type.
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>> SLA tiers will come into play whenever any limits to be imposed on APIs based on client type
NEW QUESTION # 53
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 is one CloudHub deployment of the API implementation to three CloudHub workers that must share the cache state
- C. 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
- D. When there are three CloudHub deployments of the API implementation to three separate CloudHub regions that must share the cache state
Answer: A
NEW QUESTION # 54
When using CloudHub with the Shared Load Balancer, what is managed EXCLUSIVELY by the API implementation (the Mule application) and NOT by Anypoint Platform?
- A. The SSL certificates used by the API implementation to expose HTTPS endpoints
- B. The assignment of each HTTP request to a particular CloudHub worker
- C. The logging configuration that enables log entries to be visible in Runtime Manager
- D. The number of DNS entries allocated to the API implementation
Answer: A
Explanation:
The SSL certificates used by the API implementation to expose HTTPS endpoints
*****************************************
>> The assignment of each HTTP request to a particular CloudHub worker is taken care by Anypoint Platform itself. We need not manage it explicitly in the API implementation and in fact we CANNOT manage it in the API implementation.
>> The logging configuration that enables log entries to be visible in Runtime Manager is ALWAYS managed in the API implementation and NOT just for SLB. So this is not something we do EXCLUSIVELY when using SLB.
>> We DO NOT manage the number of DNS entries allocated to the API implementation inside the code.
Anypoint Platform takes care of this.
It is the SSL certificates used by the API implementation to expose HTTPS endpoints that is to be managed EXCLUSIVELY by the API implementation. Anypoint Platform does NOT do this when using SLBs.
NEW QUESTION # 55
A System API is designed to retrieve data from a backend system that has scalability challenges. What API policy can best safeguard the backend system?
- A. Auth 2 token enforcement
- B. Client ID enforcement
- C. SLA-based rate limiting
- D. IPwhitelist
Answer: C
Explanation:
SLA-based rate limiting
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>> Client Id enforement policy is a "Compliance" related NFR and does not help in maintaining the "Quality of Service (QoS)". It CANNOT and NOT meant for protecting the backend systems from scalability challenges.
>> IP Whitelisting and OAuth 2.0 token enforcement are "Security" related NFRs and again does not help in maintaining the "Quality of Service (QoS)". They CANNOT and are NOT meant for protecting the backend systems from scalability challenges.
Rate Limiting, Rate Limiting-SLA, Throttling, Spike Control are the policies that are "Quality of Service (QOS)" related NFRs and are meant to help in protecting the backend systems from getting overloaded.
https://dzone.com/articles/how-to-secure-apis
NEW QUESTION # 56
What Mule application can have API policies applied by Anypoint Platform to the endpoint exposed by that Mule application?
A) A Mule application that accepts requests over HTTP/1.x
B) A Mule application that accepts JSON requests over TCP but is NOT required to provide a response
C) A Mute application that accepts JSON requests over WebSocket
D) A Mule application that accepts gRPC requests over HTTP/2
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: D
NEW QUESTION # 57
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. Handle API invocation exceptions within the calling API client and raise an alert from that API client when the API is unavailable.
- C. Implement a heartbeat/health check within the API and invoke it from outside the Anypoint Platform and alert when the heartbeat does not respond.
- D. Create an alert for when the API receives no requests within a specified time period.
Answer: D
NEW QUESTION # 58
An organization is deploying their new implementation of the OrderStatus System API to multiple workers in CloudHub. This API fronts the organization's on-premises Order Management System, which is accessed by the API implementation over an IPsec tunnel.
What type of error typically does NOT result in a service outage of the OrderStatus System API?
- A. API Manager has an extended outage during the initial deployment of the API implementation
- B. A CloudHub worker fails with an out-of-memory exception
- C. The Order Management System is Inaccessible due to a network outage in the organization's on-premises data center
- D. The AWS region goes offline with a major network failure to the relevant AWS data centers
Answer: B
Explanation:
Correct answer: A CloudHub worker fails with an out-of-memory exception.
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>> An AWS Region itself going down will definitely result in an outage as it does not matter how many workers are assigned to the Mule App as all of those in that region will go down. This is a complete downtime and outage.
>> Extended outage of API manager during initial deployment of API implementation will of course cause issues in proper application startup itself as the API Autodiscovery might fail or API policy templates and polices may not be downloaded to embed at the time of applicaiton startup etc... there are many reasons that could cause issues.
>> A network outage onpremises would of course cause the Order Management System not accessible and it does not matter how many workers are assigned to the app they all will fail and cause outage for sure.
The only option that does NOT result in a service outage is if a cloudhub worker fails with an out-of-memory exception. Even if a worker fails and goes down, there are still other workers to handle the requests and keep the API UP and Running. So, this is the right answer.
NEW QUESTION # 59
Refer to the exhibit.
What is the best way to decompose one end-to-end business process into a collaboration of Experience, Process, and System APIs?
A) Handle customizations for the end-user application at the Process API level rather than the Experience API level
B) Allow System APIs to return data that is NOT currently required by the identified Process or Experience APIs
C) Always use a tiered approach by creating exactly one API for each of the 3 layers (Experience, Process and System APIs)
D) Use a Process API to orchestrate calls to multiple System APIs, but NOT to other Process APIs
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: B
NEW QUESTION # 60
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MuleSoft Certified Platform Architect - Level 1 (MCPA-Level-1) certification exam is designed to validate the skills and knowledge of individuals who work with MuleSoft's Anypoint Platform. MuleSoft Certified Platform Architect - Level 1 certification is intended for architects and developers who are responsible for designing and implementing integration solutions using MuleSoft technology.
MuleSoft MCPA-Level-1 is a certification exam that evaluates the skills and knowledge of a candidate in MuleSoft's Anypoint Platform. MCPA-Level-1 exam is designed for architects, developers, and other IT professionals who want to validate their understanding of MuleSoft's platform and its capabilities. It measures the candidate's proficiency in designing and building MuleSoft applications, managing APIs and integrations, and deploying and managing MuleSoft applications in the cloud.
MuleSoft MCPA-Level-1 certification exam is an excellent way for IT professionals, architects, and developers to demonstrate their expertise in designing, building, and managing integration solutions using MuleSoft Anypoint Platform. MuleSoft Certified Platform Architect - Level 1 certification exam measures the candidate's knowledge and skills in various areas, including integration design patterns, API design, and implementation, data transformation, security, and governance. A passing score on the exam validates the candidate's proficiency in MuleSoft Anypoint Platform and enhances their career prospects.
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