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>> Exam Plat-Arch-204 Syllabus <<
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NEW QUESTION # 93
Northern Trail Outfitters needs a synchronous callout from Salesforce to an Order Management System (OMS) when an opportunity is "Closed/Won" with products attached. What should an integration architect do to satisfy these requirements?
Answer: C
Explanation:
To satisfy a requirement for a synchronous callout triggered by a user action, the architect should use a UI-driven approach, such as a Lightning component and a button.
In Salesforce, triggers (Option B) are primarily used for asynchronous logic in integration contexts. Because a trigger executes as part of the database save operation, making a synchronous callout directly from a trigger is prohibited as it would block the database transaction until the external system responds, leading to performance degradation and "uncommitted work pending" errors. If a trigger must initiate an integration, it must do so asynchronously (using @future or Queueable Apex), which violates the requirement for a synchronous call.
By using a Lightning component, the architect can initiate a synchronous Request-and-Reply pattern. When the sales rep clicks the "7Submit to OMS" button, the componen8t invokes an Apex method that makes the REST callout to the OMS in real-time. The user remains on the page while the system waits for the OMS to respond, allowing for immediate feedback-such as an order confirmation number or an error message-to be displayed in the UI. A Batch Apex job (Option C) is inherently asynchronous and delayed, making it unsuitable for a synchronous, real-time fulfillment requirement.
NEW QUESTION # 94
A customer's enterprise architect has identified requirements around caching, queuing, error handling, alerts, retries, event handling, etc. Which recommendation should the integration architect make?
Answer: B
Explanation:
When an enterprise architect identifies complex infrastructure needs such as caching, queuing, and sophisticated event routing, it signals that a point-to-point integration architecture is insufficient. In such cases, the Integration Architect should recommend a Middleware-mediated architecture.
Middleware tools, such as an Enterprise Service Bus (ESB) or an iPaaS (Integration Platform as a Service), are specifically designed to fulfill these complex "Quality of Service" (QoS) requirements. In a publish/subscribe scenario, the middleware acts as the central orchestrator. It can receive a single "Fire and Forget" event from a publisher (like Salesforce) and then manage the technical complexities of routing that message to multiple active subscribers.
Middleware handles infrastructure-level tasks such as message queuing for offline systems, automatic retries with exponential backoff, and error handling with alerts-capabilities that are either unavailable or difficult to scale within Salesforce natively. Performing message transformation and protocol translation (e.g., SOAP to REST) within the middleware layer also protects Salesforce's Apex CPU limits. By leveraging middleware for these concerns, the architect ensures that Salesforce remains a performant engagement layer while the middleware provides the robust technical backbone for a resilient enterprise landscape.
NEW QUESTION # 95
A large enterprise customer is implementing Salesforce. Current systems include ERP for invoicing/fulfillment and a Marketing solution for email. Associates need to view and log interactions in Salesforce. Which system should be the system of record for customers and prospects?
Answer: C
Explanation:
To achieve a "Customer 360" view where sales and service associates have the context needed for daily interactions, Salesforce is the logical System of Record (SoR) for customer and prospect engagement.
While the ERP remains the master for financial transactions (invoices) and the Marketing tool masters campaign analytics, Salesforce should house the core "Golden Record" of the customer. This is achieved by integrating relevant data from the ERP (order status, invoice history) and Marketing (lead source, email engagement) into Salesforce. This strategy (Option A) empowers associates to log interactions and view history in one place, fulfilling the primary goal of the CRM implementation while avoiding the complexity of a new custom database (Option B) or trying to force prospect-level engagement data into a rigid ERP (Option C).
NEW QUESTION # 96
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?
Answer: B
Explanation:
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.
NEW QUESTION # 97
A new Salesforce program has the following high-level abstract requirement: Business processes executed on Salesforce require data updates between their internal systems and Salesforce. Which relevant detail should an integration architect seek to specifically solve for integration architecture needs of the program?
Answer: C
Explanation:
In the discovery and translation phase of a Salesforce project, an Integration Architect must move beyond high-level business goals to define the technical "DNA" of the data exchange. While organizational readiness and user experience are vital to project success, they do not dictate the architectural patterns required to move data between systems.
The most critical details for designing an integration architecture are the Timing and Volume requirements. Identifying whether a business process is Synchronous or Asynchronous is the primary decision point. For example, if a Salesforce user requires an immediate validation from an external system before they can save a record, a synchronous "Request-Reply" pattern using an Apex Callout is required. If the data update can happen in the background without blocking the user, an asynchronous "Fire-and-Forget" pattern is preferred to improve system performance and user experience.
Furthermore, understanding the Update Frequency (e.g., real-time, hourly, or nightly) and the Data Volume (e.g., 100 records vs. 1 million records) allows the architect to select the appropriate Salesforce API. High-volume, low-frequency updates are best handled by the Bulk API to minimize API limit consumption, while low-volume, high-frequency updates are better suited for the REST API or Streaming API. By specifically seeking out these timing and frequency aspects, the architect ensures that the chosen solution is scalable, stays within platform governor limits, and meets the business's Service Level Agreements (SLAs). Without these details, the architect risks designing a solution that is either too slow for the business needs or too taxing on system resources.
NEW QUESTION # 98
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