Salesforce MuleSoft-Platform-Architect-I Exam : Salesforce Certified MuleSoft Platform Architect I

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?

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

Question 10: Skipped
An API implementation returns three X-RateLimit-* HTTP response headers to a requesting API client. What type of information do these response headers indicate to the API client?

• A. The HTTP response size
• B. The error codes that result from throttling
• C. The remaining capacity allowed by the API implementation
• D. A correlation ID that should be sent in the next request

A customer wants to monitor and gain insights about the number of requests coming in a given time period as well as to measure key performance indicators (response times, CPU utilization, number of active APIs).
Which tool provides these data insights?

• A. APT Manager
• B. Functional Monitoring
• C. Anypoint Monitoring
• D. Runtime Alerts

Which of the following best fits the definition of API-led connectivity?

• A. API-led connectivity is a technology which enabled us to implement Experience, Process and System layer based APIs
• B. API-led connectivity is not just an architecture or technology but also a way to organize people and processes for efficient IT delivery in the organization
• C. API-led connectivity is a 3-layered architecture covering Experience, Process and System layers

A system API has a guaranteed SLA of 100 ms per request. The system API is deployed to a primary environment as well as to a disaster recovery (DR) environment, with different DNS names in each environment. An upstream process API invokes the system API and the main goal of this process API is to respond to client requests in the least possible time. In what order should the system APIs be invoked, and what changes should be made in order to speed up the response time for requests from the process API?

• A. Invoke the system API deployed to the primary environment, and if it fails, invoke the system API deployed to the DR environment
• B. In parallel, invoke the system API deployed to the primary environment and the system API deployed to the DR environment using a scatter-gather configured with a timeout, and then merge the responses
• C. Invoke ONLY the system API deployed to the primary environment, and add timeout and retry logic to avoid intermittent failures
• D. In parallel, invoke the system API deployed to the primary environment and the system API deployed to the DR environment, and ONLY use the first response