Certification Training for MCPA-Level-1 Exam Dumps Test Engine [2021]
Sep 19, 2021 Step by Step Guide to Prepare for MCPA-Level-1 Exam
NEW QUESTION 30
Refer to the exhibit.
An organization uses one specific CloudHub (AWS) region for all CloudHub deployments.
How are CloudHub workers assigned to availability zones (AZs) when the organization's Mule applications are deployed to CloudHub in that region?
- A. An AZ is randomly selected for a Mule application, and all the Mule application's CloudHub workers are assigned to that one AZ
- B. AZs are selected as part of the Mule application's deployment configuration
- C. Workers belonging to a given environment are assigned to the same AZ within that region
- D. Workers are randomly distributed across available AZs within that region
Answer: D
NEW QUESTION 31
What condition requires using a CloudHub Dedicated Load Balancer?
- A. When custom DNS names are required for API implementations deployed to customer-hosted Mule runtimes
- B. When API invocations across multiple CloudHub workers must be load balanced
- C. When server-side load-balanced TLS mutual authentication is required between API implementations and API clients
- D. When cross-region load balancing is required between separate deployments of the same Mule application
Answer: D
NEW QUESTION 32
What do the API invocation metrics provided by Anypoint Platform provide?
- A. ROI metrics from APIs that can be directly shared with business users
- B. Data on past API invocations to help identify anomalies and usage patterns across various APIs
- C. Measurements of the effectiveness of the application network based on the level of reuse
- D. Proactive identification of likely future policy violations that exceed a given threat threshold
Answer: C
Explanation:
Explanation/Reference: https://usermanual.wiki/Document/APAAppNetstudentManual02may2018.991784750.pdf
NEW QUESTION 33
An Order API must be designed that contains significant amounts of integration logic and involves the invocation of the Product API.
The power relationship between Order API and Product API is one of "Customer/Supplier", because the Product API is used heavily throughout the organization and is developed by a dedicated development team located in the office of the CTO.
What strategy should be used to deal with the API data model of the Product API within the Order API?
- A. Start an organization-wide data modeling initiative that will result in an Enterprise Data Model that will then be used in both the Product API and the Order API
- B. Implement an anti-corruption layer in the Order API that transforms the Product API data model into internal data types of the Order API
- C. Work with the API data types of the Product API directly when implementing the integration logic of the Order API such that the Order API uses the same (unchanged) data types as the Product API
- D. Convince the development team of the Product API to adopt the API data model of the Order API such that the integration logic of the Order API can work with one consistent internal data model
Answer: C
NEW QUESTION 34
What is true about automating interactions with Anypoint Platform using tools such as Anypoint Platform REST APIs, Anypoint CU, or the Mule Maven plugin?
- A. Anypoint Platform APIs can ONLY automate interactions with CloudHub, while the Mule Maven plugin is required for deployment to customer-hosted Mule runtimes
- B. API policies can be applied to the Anypoint Platform APIs so that ONLY certain LOBs have access to specific functions
- C. Access to Anypoint Platform APIs and Anypoint CU can be controlled separately through the roles and permissions in Anypoint Platform, so that specific users can get access to Anypoint CLI white others get access to the platform APIs
- D. By default, the Anypoint CLI and Mule Maven plugin are NOT included in the Mule runtime, so are NOT available to be used by deployed Mule applications
Answer: D
NEW QUESTION 35
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. Ensure the APIs are well documented through their Anypoint Exchange entries and API Consoles and share these pages with all API consumers
- B. Enable mocking services for each of the relevant APIs and expose them via their Anypoint Exchange entry
- C. Make relevant APIs discoverable via an Anypoint Exchange entry
- D. Create API Notebooks and include them in the relevant Anypoint Exchange entries
Answer: D
NEW QUESTION 36
What should be ensured before sharing an API through a public Anypoint Exchange portal?
- A. The API should be secured using one of the supported authentication/authorization mechanisms to ensure that data is not compromised
- B. The API should be functional with at least an initial implementation deployed and accessible for users to interact with
- C. The users needing access to the API should be added to the appropriate role in Anypoint Platform
- D. The visibility level of the API instances of that API that need to be publicly accessible should be set to public visibility
Answer: A
NEW QUESTION 37
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 a basic authentication - LDAP policy; the internal Active Directory will be configured as the LDAP source for authenticating users
- B. Apply an OAuth 2.0 access token enforcement policy; the internal Active Directory will be configured as the OAuth server
- C. Apply a client ID enforcement policy; the specific group of users will configure their client applications to use their specific client credentials
- D. Apply an IP whitelist policy; only the specific users' workstations will be in the whitelist
Answer: C
NEW QUESTION 38
Refer to the exhibit.
what is true when using customer-hosted Mule runtimes with the MuleSoft-hosted Anypoint Platform control plane (hybrid deployment)?
- A. Anypoint Runtime Manager automatically ensures HA in the control plane by creating a new Mule runtime instance in case of a node failure
- B. Anypoint Runtime Manager initiates a network connection to a Mule runtime in order to deploy Mule applications
- C. The MuleSoft-hosted Shared Load Balancer can be used to load balance API invocations to the Mule runtimes
- D. API implementations can run successfully in customer-hosted Mule runtimes, even when they are unable to communicate with the control plane
Answer: B
NEW QUESTION 39
What is a key requirement when using an external Identity Provider for Client Management in Anypoint Platform?
- A. The application network must include System APIs that interact with the Identity Provider
- B. Single sign-on is required to sign in to Anypoint Platform
- 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. APIs managed by Anypoint Platform must be protected by SAML 2.0 policies
Answer: D
NEW QUESTION 40
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?
- A. When the response time of API invocations exceeds a threshold
- B. When a particular API client invokes the API too often within a given time period
- C. When the API is invoked by an unrecognized API client
- D. When the API receives a very high number of API invocations
Answer: A
NEW QUESTION 41
Refer to the exhibit.
What is a valid API in the sense of API-led connectivity and application networks?
A) Java RMI over TCP
B) Java RMI over TCP
C) CORBA over HOP
D) XML over UDP
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: B
NEW QUESTION 42
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 D
- B. Option B
- C. Option A
- D. Option C
Answer: B
NEW QUESTION 43
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. An overall tower 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 decrease in the number of connections within the application network supporting the business process
Answer: C
NEW QUESTION 44
What is the most performant out-of-the-box solution in Anypoint Platform to track transaction state in an asynchronously executing long-running process implemented as a Mule application deployed to multiple CloudHub workers?
- A. Redis distributed cache
- B. java.util.WeakHashMap
- C. File-based storage
- D. Persistent Object Store
Answer: C
NEW QUESTION 45
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?
- A. Redirect client requests through an HTTP 307 Temporary Redirect status code to the fallback API whenever the Order API is unavailable
- B. Search Anypoint Exchange for a suitable existing fallback API, and then implement invocations to this fallback API in addition to the Order API
- C. 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
- 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
Answer: B
NEW QUESTION 46
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 A
- B. Option D
- C. Option B
- D. Option C
Answer: B
NEW QUESTION 47
Refer to the exhibit.
What is a valid API in the sense of API-led connectivity and application networks?
A) Java RMI over TCP
B) Java RMI over TCP
C) CORBA over HOP
D) XML over UDP
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: B
NEW QUESTION 48
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 the application name, but can be modified by an administrator after deployment
- B. A fixed number of FQDNs are created, IRRESPECTIVE of the environment and VPC design
- C. The FQDNs are determined by both the application name and the Anypoint Platform organization
- D. The FQDNs are determined by the application name chosen, IRRESPECTIVE of the region
Answer: B
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 toad-dependent timeout of less than 1000 ms will be applied by the Mule runtime in which the downstream API implementation executes
- B. An SLA for the upstream API CANNOT be provided
- C. A default timeout of 500 ms will automatically be applied by the Mule runtime in which the upstream API implementation executes
- D. The invocation of the downstream API will run to completion without timing out
- E. Assume the downstream API runs uninterrupted without crashing. What is the impact of this advice?
Answer: D
NEW QUESTION 50
Refer to the exhibit.
An organization uses one specific CloudHub (AWS) region for all CloudHub deployments.
How are CloudHub workers assigned to availability zones (AZs) when the organization's Mule applications are deployed to CloudHub in that region?
- A. AZs are selected as part of the Mule application's deployment configuration
- B. An AZ is randomly selected for a Mule application, and all the Mule application's CloudHub workers are assigned to that one AZ
- C. Workers belonging to a given environment are assigned to the same AZ within that region
- D. Workers are randomly distributed across available AZs within that region
Answer: B
NEW QUESTION 51
What is true about the technology architecture of Anypoint VPCs?
- A. The private IP address range of an Anypoint VPC is automatically chosen by CloudHub
- B. Each CloudHub environment requires a separate Anypoint VPC
- C. Traffic between Mule applications deployed to an Anypoint VPC and on-premises systems can stay within a private network
- D. VPC peering can be used to link the underlying AWS VPC to an on-premises (non AWS) private network
Answer: A
NEW QUESTION 52
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. A default timeout of 500 ms will automatically be applied by the Mule runtime in which the upstream API implementation executes
- C. The invocation of the downstream API will run to completion without timing out
- D. An SLA for the upstream API CANNOT be provided
- E. Assume the downstream API runs uninterrupted without crashing. What is the impact of this advice?
Answer: B
NEW QUESTION 53
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. Implement a heartbeat/health check within the API and invoke it from outside the Anypoint Platform and alert when the heartbeat does not respond.
- C. Create an alert for when the API receives no requests within a specified time period.
- D. Handle API invocation exceptions within the calling API client and raise an alert from that API client when the API is unavailable.
Answer: C
NEW QUESTION 54
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?
- 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. Redirect client requests through an HTTP 307 Temporary Redirect status code to the fallback API whenever the Order API is unavailable
- C. 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
- 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
Answer: D
NEW QUESTION 55
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