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>> Plat-Arch-204 Testantworten <<
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38. Frage
An integration architect has designed a mobile application for Salesforce users to get data while on the road using a custom user interface (UI). The application is secured with OAuth and is currently functioning well. There is a new requirement where the mobile application needs to obtain the GPS coordinates and store them on a custom geolocation field. The geolocation field is secured with field-level security, so users can view the value without changing it. What should be don4e to meet the requirement?
Antwort: C
Begründung:
When a custom mobile application already secured with OAuth needs to update a record in Salesforce, the standard architectural recommendation is to use the REST API. The REST API is optimized for mobile environments because it uses lightweight JSON payloads and follows standard HTTP methods (such as PATCH for updates), which are highly compatible with mobile development frameworks.
In this specific scenario, the architect must address the Field-Level Security (FLS) constraint. Because the geolocation field is set to read-only for users, a standard UI-based update would typically fail. However, when using an inbound REST API call with a properly authorized integration user or via a "System Mode" context (if utilizing a custom Apex REST resource), the system can be configured to bypass UI-level restrictions while maintaining data integrity.
The mobile device captures the coordinates via the device's native GPS capabilities and initiates an inbound call to the Salesforce REST endpoint. Option A (Apex inbound call) is a subset of REST functionality but is only necessary if complex server-side logic is required that the standard REST API cannot handle. Option C is technically incorrect as mobile devices do not typically "receive" callouts from Salesforce in this pattern; they initiate the requests. By leveraging the standard REST API, the architect ensures a scalable, secure, and standardized integration that adheres to Salesforce's mobile-first integration principles.
39. Frage
A company needs to integrate a legacy on-premise application that can only support SOAP API. After the integration architect evaluates the requirements and volume, they determine that the Fire and Forget integration pattern will be most appropriate for sending data from Salesforce to the external application and getting response back in a strongly-typed format.
Which integration capabilities should be used to integrate the two systems?
Antwort: A
Begründung:
When integrating with a legacy SOAP-only application using a Fire and Forget pattern, Salesforce Outbound Messaging is the native, declarative choice.
Outbound Messaging is a platform feature that sends a SOAP message to a designated endpoint when specific criteria are met. It is inherently asynchronous and provides built-in reliability; if the legacy system is offline, Salesforce will automatically retry the delivery for up to 24 hours. This perfectly fits the "Fire and Forget" requirement.
For the strongly-typed response back (Remote Call-In), the Enterprise WSDL is the correct recommendation.1415 Enterprise WSDL: This is a strongly-typed WSDL generated specifically for one org's metadata. It includes specific references to16 custom objects and fields, ensu17ring that the legacy system can communicate with Salesforce using a rigid, predictable data structure.
Partner WSDL (Option C): This is a loosely-typed WSDL designed for developers building tools that must work across many different orgs; it is not ideal for an internal, strongly-typed legacy integration.
While Platform Events (Option B) are a modern alternative, they typically use REST or Streaming APIs, making them a less natural fit for an application that "can only support SOAP". By combining Outbound Messaging and the Enterprise WSDL, the architect provides a robust, SOAP-native solution that satisfies the business's technical constraints and reliability requirements.
40. Frage
An enterprise architect has requested the Salesforce integration architect to review the following (see diagram and description) and provide recommendations after carefully considering all constraints of the enterprise systems and Salesforce Platform limits.
About 3,000 phone sales agents use a Salesforce Lightning user interface (UI) concurrently to check eligibility of a customer for a qualifying offer.
There are multiple eligibility systems that provide this service and are hosted externally.
Their current response times could take up to 90 seconds to process and return.
These eligibility systems are accessed through APIs orchestrated via ESB (MuleSoft).
All requests from Salesforce traverse the customer's API Gateway layer, which imposes a timeout constraint of 9 seconds.
Which recommendation should the integration architect make?
Antwort: B
Begründung:
In this architectural scenario, the Integration Architect must navigate two critical technical "bottlenecks": the 9-second API Gateway timeout and the 90-second backend processing time. Since the backend takes significantly longer than the gateway allows for a synchronous connection, a standard Request-Reply pattern will fail. Furthermore, having 3,000 concurrent agents perform synchronous callouts would risk hitting Salesforce's concurrent long-running request limits.
The most scalable and user-friendly solution is to implement an Asynchronous Request-Reply pattern using Platform Events and the empAPI.
When an agent clicks "Check Eligibility," Salesforce sends an initial asynchronous request to the ESB (MuleSoft). The ESB immediately acknowledges receipt with a 202 Accepted status, freeing up the Salesforce UI thread and avoiding the API Gateway's 9-second timeout. Once the backend eligibility system completes its 90-second process, MuleSoft acts as a client to Salesforce, performing a Remote Call-In to publish a specific Platform Event containing the result and the original Request ID.
On the frontend, the Lightning UI uses the empAPI (Enterprise Messaging Platform API) to subscribe to the streaming channel for that Platform Event. Because the empAPI uses CometD technology to maintain a single long-lived connection, it can efficiently push the response to the agent's screen the moment it arrives, without requiring the agent to manually refresh or click a "Check Update" button (as suggested in Option B). This provides a "real-time" feel despite the long backend latency.
Option A is non-viable because synchronous polling would exacerbate the load on the API Gateway and likely lead to governance limit issues within Salesforce. By using Platform Events and empAPI, the architect ensures the solution remains within Salesforce's execution limits while providing a seamless, automated experience for a high-volume call center environment.
41. Frage
Northern Trail Outfitters has recently implemented middleware for orchestration of services across platforms. The Enterprise Resource Planning (ERP) system being used requires transactions be captured near real-time at a REST endpoint initiated in Salesforce when creating an Order object. Additionally, the Salesforce team has limited development resources and requires a low-code solution. Which option should fulfill the use case requirements?
Antwort: B
Begründung:
To satisfy a requirement for near real-time REST updates with limited development resources, the architect should utilize Flow Builder. Flow Builder is Salesforce's primary low-code tool for automating complex business logic and outbound integrations.
The Remote Process Invocation-Fire and Forget pattern is the most efficient way to signal an external system (or middleware) that a record was created without blocking the user. Using a Record-Triggered Flow on the Order object, the architect can configure an Action (such as an External Service or a simple HTTP Callout) to send the order data to the middleware's REST endpoint.
Option A is slightly incorrect because creating a platform event is just one step in an event-driven flow; the "Fire and Forget" pattern more accurately describes the end-to-end intent. Option B (Change Data Capture) is a powerful tool, but it is considered a "pro-code" or high-configuration so12lution on the middleware side, requiring the middleware to manage Replay IDs and Bayeux subscriptions. Option C leverages the native strengths of Flow to fulfill the requirement declaratively, 13allowing the team to14 deliver a functional integration without writing Apex code while meeting the near-real-time performance expectations of the ERP.
42. Frage
A business requires automating the check and updating of the phone number type classification for all incoming calls. Up to 100,000 calls per day are received, and the business is flexible with timing (every 6-12 hours is sufficient). A Remote-Call-In and/or Batch Synchronization pattern via middleware is planned. Which component should an integration architect recommend to implement these patterns?
Antwort: A
Begründung:
In a Remote-Call-In or Batch Synchronization pattern where an external middleware initiates the connection to Salesforce, the external system must be authenticated. The standard Salesforce framework for this is the Connected App.
A Connected App provides a framework for external applications to integrate with Salesforce using APIs and standard protocols like OAuth 2.0. For a high-volume (100,000 records) batch process initiated by middleware every 6-12 hours, the architect would recommend a Connected App using a secure flow, such as the OAuth 2.0 JWT Bearer Flow. This allows the middleware to authenticate as a specific "Integration User" without storing clear-text passwords.
Option A (API Gateway) is used to manage and secure outbound calls from Salesforce or between external services; it does not handle inbound authentication to the Salesforce org itself. Option B (Remote Site Settings) is a whitelist configuration used purely to allow Salesforce to make outbound callouts to a specific URL; it provides no authentication mechanism for systems calling into Salesforce. By recommending a Connected App, the architect ensures that the middleware has the necessary permissions (scopes) to use the Bulk API-which is the appropriate mechanism for the 100,000 record volume-while maintaining a secure, auditable, and standard integration boundary.
43. Frage
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