An organization if struggling frequent plugin version upgrades and external plugin project dependencies. The team wants to minimize the impact on applications by creating best practices that will define a set of default dependencies across all new and in progress projects.
How can these best practices be achieved with the applications having the least amount of responsibility?
A. Create a Mule plugin project with all the dependencies and add it as a dependency in each application's POM.xml file B. Create a mule domain project with all the dependencies define in its POM.xml file and add each application to the domain Project C. Add all dependencies in each application's POM.xml file D. Create a parent POM of all the required dependencies and reference each in each application's POM.xml file
D. Create a parent POM of all the required dependencies and reference each in each application's POM.xml file
Explanation/Reference:
Requirement Analysis: The organization wants to standardize dependencies across all new and ongoing MuleSoft projects to minimize the impact of frequent plugin version upgrades and external plugin project dependencies. Solution:
Creating a parent POM (Project Object Model) file with all required dependencies and referencing it in each application's POM.xml file is the best practice.
MuleSoft Documentation on Managing dependencies with Maven Apache Maven Documentation on POM Reference
Question 42:
Which of the below requirements prevent the usage of Anypoint MQ in a company's network? (Choose two answers)
A. single message payload can be up to 15 MB B. payloads must be encrypted C. the message broker must be hosted on premises D. support for point-to-point messaging E. ability for a third party outside the company's network to consume events from the queue
C. the message broker must be hosted on premises E. ability for a third party outside the company's network to consume events from the queue
Explanation/Reference:
Anypoint MQ is a cloud-based messaging service provided by MuleSoft. It is designed to work within MuleSoft's cloud ecosystem, which can impose certain limitations that might prevent its use in some scenarios:
Message Broker Must Be Hosted On-Premises:
Ability for a Third Party Outside the Company's Network to Consume Events from the Queue:
References:
MuleSoft Documentation: Anypoint MQ
MuleSoft Anypoint MQ Overview
Question 43:
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-thebox 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
D. Apply a JSON threat protection policy to all APIs to detect potential threat vectors
Explanation/Reference:
We need to note few things about the scenario which will help us in reaching the correct solution. Point 1 : The APIs are all publicly available and are associated with several mobile applications and web applications. This means Apply an IP blacklist policy is not viable option. as blacklisting IPs is limited to partial web traffic. It can't be useful for traffic from mobile application Point 2 : The organization does NOT want to use any authentication or compliance policies for these APIs. This means we can not apply HTTPS mutual authentication scheme. Header injection or removal will not help the purpose. By its nature, JSON is vulnerable to JavaScript injection. When you parse the JSON object, the malicious code inflicts its damages. An inordinate increase in the size and depth of the JSON payload can indicate injection. Applying the JSON threat protection policy can limit the size of your JSON payload and thwart recursive additions to the JSON hierarchy. Hence correct answer is Apply a JSON threat protection policy to all APIs to detect potential threat vectors
Question 44:
An ABC Farms project team is planning to build a new API that is required to work with data from different domains across the organization.
The organization has a policy that all project teams should leverage existing investments by reusing existing APIs and related resources and documentation that other project teams have already developed and deployed.
To support reuse, where on Anypoint Platform should the project team go to discover and read existing APIs, discover related resources and documentation, and interact with mocked versions of those APIs?
A. Design Center B. API Manager C. Runtime Manager D. Anypoint Exchange
D. Anypoint Exchange
Explanation/Reference:
The mocking service is a feature of Anypoint Platform and runs continuously. You can run the mocking service from the text editor, the visual editor, and from Anypoint Exchange. You can simulate calls to the API in API Designer before publishing the API specification to Exchange or in Exchange after publishing the API specification.
As a part of project , existing java implementation is being migrated to Mulesoft. Business is very tight on the budget and wish to complete the project in most economical way possible.
Canonical object model using java is already a part of existing implementation. Same object model is required by mule application for a business use case. What is the best way to achieve this?
A. Make use of Java module B. Create similar model for Mule applications C. Create a custom application to read Java code and make it available for Mule application D. Use Anypoint exchange
A. Make use of Java module
Explanation/Reference:
Mule 4 is built to:
Minimize the need for custom code.
Avoid the need for you to know or understand Java.
However, some advanced uses cases require integration with custom Java code, such as:
Reuse of a library, such as a tax calculation library.
Reuse of a canonical object model that is standard in the organization.
A company is designing a mule application to consume batch data from a partner's ftps server The data files have been compressed and then digitally signed using PGP.
What inputs are required for the application to securely consumed these files?
A. ATLS context Key Store requiring the private key and certificate for the company PGP public key of partner PGP private key for the company B. ATLS context first store containing a public certificate for partner ftps server and the PGP public key of the partner TLS contact Key Store containing the FTP credentials C. TLS context trust or containing a public certificate for the ftps server The FTP username and password The PGP public key of the partner D. The PGP public key of the partner The PGP private key for the company The FTP username and password
D. The PGP public key of the partner The PGP private key for the company The FTP username and password
Explanation/Reference:
To securely consume compressed and digitally signed files from a partner's FTPS server, the following inputs are required:
PGP Public Key of the Partner:
PGP Private Key for the Company:
FTP Username and Password:
By using these inputs, the Mule application can securely connect to the FTPS server, verify the integrity and authenticity of the files using PGP, and decrypt the contents for further processing.
References:
MuleSoft FTPS Connector
MuleSoft PGP Module
Question 47:
A retailer is designing a data exchange interface to be used by its suppliers. The interface must support secure communication over the public internet. The interface must also work with a wide variety of programming languages and IT systems used by suppliers.
What are suitable interface technologies for this data exchange that are secure, cross-platform, and internet friendly, assuming that Anypoint Connectors exist for these interface technologies?
A. EDJFACT XML over SFTP JSON/REST over HTTPS B. SOAP over HTTPS HOP over TLS gRPC over HTTPS C. XML over ActiveMQ XML over SFTP XML/REST over HTTPS D. CSV over FTP YAML over TLS JSON over HTTPS
C. XML over ActiveMQ XML over SFTP XML/REST over HTTPS
Explanation/Reference:
*
As per definition of API by Mulesoft , it is Application Programming Interface using HTTP-based protocols. Non-HTTP-based programmatic interfaces are not APIs.
*
HTTP-based programmatic interfaces are APIs even if they don't use REST or JSON. Hence implementation based on Java RMI, CORBA/IIOP, raw TCP/IP interfaces are not API's as they are not using HTTP.
*
One more thing to note is FTP was not built to be secure. It is generally considered to be an insecure protocol because it relies on clear-text usernames and passwords for authentication and does not use encryption.
*
Data sent via FTP is vulnerable to sniffing, spoofing, and brute force attacks, among other basic attack methods. Considering the above points only correct option is -XML over ActiveMQ -XML over SFTP -XML/REST over HTTPS
Question 48:
An organization is designing an integration solution to replicate financial transaction data from a legacy system into a data warehouse (DWH).
The DWH must contain a daily snapshot of financial transactions, to be delivered as a CSV file. Daily transaction volume exceeds tens of millions of records, with significant spikes in volume during popular shopping periods.
What is the most appropriate integration style for an integration solution that meets the organization's current requirements?
A. Event-driven architecture B. Microservice architecture C. API-led connectivity D. Batch-triggered ETL
D. Batch-triggered ETL
Explanation/Reference:
Correct answer is Batch-triggered ETL Within a Mule application, batch processing provides a construct for asynchronously processing larger-than-memory data sets that are split into individual records. Batch jobs allow for the description of a reliable process that automatically splits up source data and stores it into persistent queues, which makes it possible to process large data sets while providing reliability. In the event that the application is redeployed or Mule crashes, the job execution is able to resume at the point it stopped.
Question 49:
A platform architect includes both an API gateway and a service mesh in the architect of a distributed application for communication management.
Which type of communication management does a service mesh typically perform in this architecture?
A. Between application services and the firewall B. Between the application and external API clients C. Between services within the application D. Between the application and external API implementations.
C. Between services within the application
Explanation/Reference:
In a distributed application architecture, a service mesh typically manages communication between services within the application. A service mesh provides a dedicated infrastructure layer that handles service-to-service communication,
including service discovery, load balancing, failure recovery, metrics, and monitoring. This allows developers to offload these operational concerns from individual services, ensuring consistent and reliable inter-service communication.
References:
Understanding Service Mesh
Service Mesh for Microservices
Question 50:
A Mule application is deployed to a cluster of two(2) cusomter-hosted Mule runtimes. Currently the node name Alice is the primary node and node named bob is the secondary node. The mule application has a flow that polls a directory on a file system for new files.
The primary node Alice fails for an hour and then restarted.
After the Alice node completely restarts, from what node are the files polled, and what node is now the primary node for the cluster?
A. Files are polled from Alice node Alice is now the primary node B. Files are polled form Bob node Alice is now the primary node C. Files are polled from Alice node Bob is the now the primary node D. Files are polled form Bob node Bob is now the primary node
D. Files are polled form Bob node Bob is now the primary node
Explanation/Reference:
* Mule High Availability Clustering provides basic failover capability for Mule. * When the primary Mule Runtime becomes unavailable, for example, because of a fatal JVM or hardware failure or it's taken offline for maintenance, a backup Mule Runtime immediately becomes the primary node and resumes processing where the failed instance left off. * After a system administrator recovers a failed Mule Runtime server and puts it back online, that server automatically becomes the backup node. In this case, Alice, once up, will become backup
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