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Free and Premium MuleSoft MCPA-Level-1 Dumps Questions Answers

MuleSoft Certified Platform Architect - Level 1 Questions and Answers

Question 1

What is the main change to the IT operating model that MuleSoft recommends to organizations to improve innovation and clock speed?

Options:

A.

Drive consumption as much as production of assets; this enables developers to discover and reuse assets from other projects and encourages standardization

B.

Expose assets using a Master Data Management (MDM) system; this standardizes projects and enables developers to quickly discover and reuse assets from other projects

C.

Implement SOA for reusable APIs to focus on production over consumption; this standardizes on XML and WSDL formats to speed up decision making

D.

Create a lean and agile organization that makes many small decisions everyday; this speeds up decision making and enables each line of business to take ownership of its projects

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Question 2

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?

Options:

A.

A fixed number of FQDNs are created, IRRESPECTIVE of the environment and VPC design

B.

The FQDNs are determined by the application name chosen, IRRESPECTIVE of the region

C.

The FQDNs are determined by the application name, but can be modified by an administrator after deployment

D.

The FQDNs are determined by both the application name and the Anypoint Platform organization

Question 3

An API has been updated in Anypoint exchange by its API producer from version 3.1.1 to 3.2.0 following accepted semantic versioning practices and the changes have been communicated via the APIs public portal. The API endpoint does NOT change in the new version. How should the developer of an API client respond to this change?

Options:

A.

The API producer should be requested to run the old version in parallel with the new one

B.

The API producer should be contacted to understand the change to existing functionality

C.

The API client code only needs to be changed if it needs to take advantage of the new features

D.

The API clients need to update the code on their side and need to do full regression

Question 4

An organization wants MuleSoft-hosted runtime plane features (such as HTTP load balancing, zero downtime, and horizontal and vertical scaling) in its Azure environment. What runtime plane minimizes the organization's effort to achieve these features?

Options:

A.

Anypoint Runtime Fabric

B.

Anypoint Platform for Pivotal Cloud Foundry

C.

CloudHub

D.

A hybrid combination of customer-hosted and MuleSoft-hosted Mule runtimes

Question 5

What do the API invocation metrics provided by Anypoint Platform provide?

Options:

A.

ROI metrics from APIs that can be directly shared with business users

B.

Measurements of the effectiveness of the application network based on the level of reuse

C.

Data on past API invocations to help identify anomalies and usage patterns across various APIs

D.

Proactive identification of likely future policy violations that exceed a given threat threshold

Question 6

A REST API is being designed to implement a Mule application.

What standard interface definition language can be used to define REST APIs?

Options:

A.

Web Service Definition Language(WSDL)

B.

OpenAPI Specification (OAS)

C.

YAML

D.

AsyncAPI Specification

Question 7

What is true about the technology architecture of Anypoint VPCs?

Options:

A.

The private IP address range of an Anypoint VPC is automatically chosen by CloudHub

B.

Traffic between Mule applications deployed to an Anypoint VPC and on-premises systems can stay within a private network

C.

Each CloudHub environment requires a separate Anypoint VPC

D.

VPC peering can be used to link the underlying AWS VPC to an on-premises (non AWS) private network

Question 8

Refer to the exhibit. 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?

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

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 9

An API has been updated in Anypoint Exchange by its API producer from version 3.1.1 to 3.2.0 following accepted semantic versioning practices and the changes have been communicated via the API's public portal.

The API endpoint does NOT change in the new version.

How should the developer of an API client respond to this change?

Options:

A.

The update should be identified as a project risk and full regression testing of the functionality that uses this API should be run

B.

The API producer should be contacted to understand the change to existing functionality

C.

The API producer should be requested to run the old version in parallel with the new one

D.

The API client code ONLY needs to be changed if it needs to take advantage of new features

Question 10

What is a key performance indicator (KPI) that measures the success of a typical C4E that is immediately apparent in responses from the Anypoint Platform APIs?

Options:

A.

The number of production outage incidents reported in the last 24 hours

B.

The number of API implementations that have a publicly accessible HTTP endpoint and are being managed by Anypoint Platform

C.

The fraction of API implementations deployed manually relative to those deployed using a CI/CD tool

D.

The number of API specifications in RAML or OAS format published to Anypoint Exchange

Question 11

An API implementation is being designed that must invoke an Order API, which is known to repeatedly experience downtime.

For this reason, a fallback API is to be called when the Order API is unavailable.

What approach to designing the invocation of the fallback API provides the best resilience?

Options:

A.

Search Anypoint Exchange for a suitable existing fallback API, and then implement invocations to this fallback API in addition to the Order API

B.

Create a separate entry for the Order API in API Manager, and then invoke this API as a fallback API if the primary Order API is unavailable

C.

Redirect client requests through an HTTP 307 Temporary Redirect status code to the fallback API whenever the Order API is unavailable

D.

Set an option in the HTTP Requester component that invokes the Order API to instead invoke a fallback API whenever an HTTP 4xx or 5xx response status code is returned from the Order API

Question 12

What is a typical result of using a fine-grained rather than a coarse-grained API deployment model to implement a given business process?

Options:

A.

A decrease in the number of connections within the application network supporting the business process

B.

A higher number of discoverable API-related assets in the application network

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

Question 13

A company wants to move its Mule API implementations into production as quickly as possible. To protect access to all Mule application data and metadata, the company requires that all Mule applications be deployed to the company's customer-hosted infrastructure within the corporate firewall. What combination of runtime plane and control plane options meets these project lifecycle goals?

Options:

A.

Manually provisioned customer-hosted runtime plane and customer-hosted control plane

B.

MuleSoft-hosted runtime plane and customer-hosted control plane

C.

Manually provisioned customer-hosted runtime plane and MuleSoft-hosted control plane

D.

iPaaS provisioned customer-hosted runtime plane and MuleSoft-hosted control plane

Question 14

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

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 15

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?

Options:

A.

Set a timeout of 50 ms; this times out more invocations of that API but gives additional room for retries

B.

Set a timeout of 100 ms; that leaves 400 ms for the other two downstream APIs to complete

C.

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

D.

Do not set a timeout; the Invocation of this API Is mandatory and so we must wait until it responds

Question 16

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?

Options:

A.

Apply a basic authentication - LDAP policy; the internal Active Directory will be configured as the LDAP source for authenticating users

B.

Apply a client ID enforcement policy; the specific group of users will configure their client applications to use their specific client credentials

C.

Apply an IP whitelist policy; only the specific users' workstations will be in the whitelist

D.

Apply an OAuth 2.0 access token enforcement policy; the internal Active Directory will be configured as the OAuth server

Question 17

A system API is deployed to a primary environment as well as to a disaster recovery (DR) environment, with different DNS names in each environment. A process API is a client to the system API and is being rate limited by the system API, with different limits in each of the environments. The system API's DR environment provides only 20% of the rate limiting offered by the primary environment. What is the best API fault-tolerant invocation strategy to reduce overall errors in the process API, given these conditions and constraints?

Options:

A.

Invoke the system API deployed to the primary environment; add timeout and retry logic to the process API to avoid intermittent failures; if it still fails, invoke the system API deployed to the DR environment

B.

Invoke the system API deployed to the primary environment; add retry logic to the process API to handle intermittent failures by invoking the system API deployed to the DR environment

C.

In parallel, invoke the system API deployed to the primary environment and the system API deployed to the DR environment; add timeout and retry logic to the process API to avoid intermittent failures; add logic to the process API to combine the results

D.

Invoke the system API deployed to the primary environment; add timeout and retry logic to the process API to avoid intermittent failures; if it still fails, invoke a copy of the process API deployed to the DR environment

Question 18

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?

Options:

A.

IPwhitelist

B.

SLA-based rate limiting

C.

Auth 2 token enforcement

D.

Client ID enforcement

Question 19

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?

Options:

A.

OAuth 2.0 access token enforcement

B.

Client ID enforcement

C.

JSON threat protection

D.

IPwhitellst

Question 20

What is most likely NOT a characteristic of an integration test for a REST API implementation?

Options:

A.

The test needs all source and/or target systems configured and accessible

B.

The test runs immediately after the Mule application has been compiled and packaged

C.

The test is triggered by an external HTTP request

D.

The test prepares a known request payload and validates the response payload

Question 21

The application network is recomposable: it is built for change because it "bends but does not break"

Options:

A.

TRUE

B.

FALSE

Question 22

An API implementation is deployed to CloudHub.

What conditions can be alerted on using the default Anypoint Platform functionality, where the alert conditions depend on the end-to-end request processing of the API implementation?

Options:

A.

When the API is invoked by an unrecognized API client

B.

When a particular API client invokes the API too often within a given time period

C.

When the response time of API invocations exceeds a threshold

D.

When the API receives a very high number of API invocations

Question 23

What is true about API implementations when dealing with legal regulations that require all data processing to be performed within a certain jurisdiction (such as in the USA or the EU)?

Options:

A.

They must avoid using the Object Store as it depends on services deployed ONLY to the US East region

B.

They must use a Jurisdiction-local external messaging system such as Active MQ rather than Anypoint MQ

C.

They must te deployed to Anypoint Platform runtime planes that are managed by Anypoint Platform control planes, with both planes in the same Jurisdiction

D.

They must ensure ALL data is encrypted both in transit and at rest

Question 24

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?

Options:

A.

A customer-hosted load balancer

B.

The CloudHub shared load balancer

C.

An API proxy

D.

Runtime Manager autoscaling

Question 25

What should be ensured before sharing an API through a public Anypoint Exchange portal?

Options:

A.

The visibility level of the API instances of that API that need to be publicly accessible should be set to public visibility

B.

The users needing access to the API should be added to the appropriate role in Anypoint Platform

C.

The API should be functional with at least an initial implementation deployed and accessible for users to interact with

D.

The API should be secured using one of the supported authentication/authorization mechanisms to ensure that data is not compromised

Question 26

An organization has created an API-led architecture that uses various API layers to integrate mobile clients with a backend system. The backend system consists of a number of specialized components and can be accessed via a REST API. The process and experience APIs share the same bounded-context model that is different from the backend data model. What additional canonical models, bounded-context models, or anti-corruption layers are best added to this architecture to help process data consumed from the backend system?

Options:

A.

Create a bounded-context model for every layer and overlap them when the boundary contexts overlap, letting API developers know about the differences between upstream and downstream data models

B.

Create a canonical model that combines the backend and API-led models to simplify and unify data models, and minimize data transformations.

C.

Create a bounded-context model for the system layer to closely match the backend data model, and add an anti-corruption layer to let the different bounded contexts cooperate across the system and process layers

D.

Create an anti-corruption layer for every API to perform transformation for every data model to match each other, and let data simply travel between APIs to avoid the complexity and overhead of building canonical models

Question 27

An organization makes a strategic decision to move towards an IT operating model that emphasizes consumption of reusable IT assets using modern APIs (as defined by MuleSoft).

What best describes each modern API in relation to this new IT operating model?

Options:

A.

Each modern API has its own software development lifecycle, which reduces the need for documentation and automation

B.

Each modem API must be treated like a product and designed for a particular target audience (for instance, mobile app developers)

C.

Each modern API must be easy to consume, so should avoid complex authentication mechanisms such as SAML or JWT D

D.

Each modern API must be REST and HTTP based

Question 28

Refer to the exhibit.

A developer is building a client application to invoke an API deployed to the STAGING environment that is governed by a client ID enforcement policy.

What is required to successfully invoke the API?

Options:

A.

The client ID and secret for the Anypoint Platform account owning the API in the STAGING environment

B.

The client ID and secret for the Anypoint Platform account's STAGING environment

C.

The client ID and secret obtained from Anypoint Exchange for the API instance in the STAGING environment

D.

A valid OAuth token obtained from Anypoint Platform and its associated client ID and secret