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Salesforce Plat-Arch-204 Exam Syllabus Topics:

SectionObjectives
Topic 1: Error Handling and Monitoring- Integration resilience
  • 1. Dead-letter queues
    • 2. Retry mechanisms
      - Observability
      • 1. Logging and monitoring integration flows
        • 2. Error tracking and alerting
          Topic 2: Event-Driven Architecture- Event messaging systems
          • 1. Change Data Capture (CDC)
            • 2. Platform Events
              - Asynchronous processing
              • 1. Queue-based integration
                • 2. Event-driven orchestration
                  Topic 3: API and Connectivity- Salesforce APIs
                  • 1. SOAP API
                    • 2. Streaming API / Platform Events
                      • 3. Bulk API
                        • 4. REST API
                          - Authentication and security
                          • 1. Named Credentials
                            • 2. Connected Apps
                              • 3. OAuth 2.0 flows
                                Topic 4: Integration Architecture Design- Integration patterns and best practices
                                • 1. Request and reply patterns
                                  • 2. Batch data synchronization
                                    • 3. Fire and forget patterns
                                      - Middleware and integration strategies
                                      • 1. Hub-and-spoke vs point-to-point
                                        • 2. ESB and iPaaS usage considerations
                                          Topic 5: Data Integration and Management- Data synchronization strategies
                                          • 1. Data replication considerations
                                            • 2. Real-time vs batch integration
                                              - Data quality and governance
                                              • 1. Duplicate management strategies
                                                • 2. Data validation rules

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                                                  Salesforce Certified Platform Integration Architect Sample Questions (Q33-Q38):

                                                  NEW QUESTION # 33
                                                  A large business-to-consumer (B2C) customer is planning to implement Salesforce CRM to become a customer-centric enterprise. Below is the B2C customer's current system landscape diagram.

                                                  The goals for implementing Salesforce include:
                                                  Develop a 360-degree view of the customer.
                                                  Leverage Salesforce capabilities for marketing, sales, and service processes.
                                                  Reuse Enterprise capabilities built for quoting and order management processes.
                                                  Which three systems from the current system landscape can be retired with the implementation of Salesforce?

                                                  Answer: C

                                                  Explanation:
                                                  Comprehensive and Detailed 250 to 350 words of Explanation From Salesforce Pl14atform Integration Architect documents: In the rol15e of a Salesforce Platform Integration Architect, evaluating a legacy landscape requires a clinical mapping of current system functions against Salesforce's native capabilities, while strictly adhering to the "Constraints and Goals" provided by the business. The objective here is to maximize the ROI of the Salesforce implementation by consolidating redundant systems into the core platform.
                                                  According to Goal 2, the business intends to utilize Salesforce for Marketing, Sales, and Service processes. Salesforce is architected to handle these three domains through its core clouds: Marketing Cloud (replacing the legacy Email Marketing System), Sales Cloud (replacing the Sales Activity System), and Service Cloud (replacing the Case Management System). By consolidating these three specific functions into Salesforce, the organization achieves Goal 1, which is the creation of a 360-degree view of the customer. When these activities occur on a single platform, the data is unified, eliminating the silos that existed in the previous landscape.
                                                  However, the architect must also respect the technical constraints defined in Goal 3, which explicitly states the need to reuse enterprise capabilities built for quoting and order management. In architectural design, this designates the "Quoting System" and the "Order Management System" as systems of record that must remain in the future-state landscape. These systems likely contain complex, proprietary logic or are tightly coupled with back-end ERP systems like SAP Business Suite, making them "non-negotiable" for retirement at this stage.
                                                  Therefore, because Email Marketing, Sales Activity, and Case Management map directly to Salesforce's primary strengths and are not excluded by the "reuse" requirement, they are the three systems that should be retired. This strategic retirement simplifies the integration architecture, allowing the architect to focus on building robust integration patterns (such as Request-Reply or Fire-and-Forget) between Salesforce and the remaining Quoting and Order Management systems.


                                                  NEW QUESTION # 34
                                                  Considering Salesforce capabilities, what should the integration architect evaluate when integrating Salesforce with the current system landscape?

                                                  Answer: C

                                                  Explanation:
                                                  When evaluating a current system landscape for a Salesforce implementation, an Integration Architect's primary goal is to align the platform's native capabilities with the existing architecture to determine which systems will be replaced, retired, or integrated. Based on the provided diagram (image_69c0fd.png), the landscape consists of an Email Management System, an Order Management System, a Case Management System, and a Data Warehouse used for Business Intelligence.
                                                  In a scenario where an enterprise is implementing Salesforce to support Case Management (Service Cloud), Salesforce natively provides the robust capabilities required to serve as the new "System of Record" for customer support interactions. Consequently, the legacy Case Management System is typically targeted for retirement. The architect's evaluation therefore focuses on the necessary integration points with the systems that will coexist with the new Salesforce instance to ensure a unified agent experience.
                                                  As outlined in standard Salesforce Integration Architecture frameworks, the following evaluations are critical:
                                                  Order Management System (OMS): Salesforce must integrate with the OMS so that service agents can view real-time order history, shipping status, and line items directly within the Case record, often using patterns like Request-Reply or Data Virtualization.
                                                  Email Management System (EMS): To support Omni-Channel service, Salesforce needs to integrate with the EMS (via Email-to-Case or a Marketing Cloud connector) to ensure that all customer communications are captured and tracked against the appropriate Case records.
                                                  Data Warehouse: For long-term historical reporting and cross-functional analytics, Salesforce must push its transactional data to the enterprise Data Warehouse. This ensures the Analytics and Business Intelligence Tool can continue to provide a holistic view of company performance.
                                                  By selecting Option C, the architect recognizes that Salesforce replaces the legacy case management function while requiring strategic integration with the Data Warehouse, Order Management, and Email Management systems to achieve a true 360-degree view of the customer.


                                                  NEW QUESTION # 35
                                                  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?

                                                  Answer: A

                                                  Explanation:
                                                  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.


                                                  NEW QUESTION # 36
                                                  Northern Trail Outfitters (NTO) is planning to create a native employee-facing mobile app with the look and feel of Salesforce Lighting Experience. The mobile app needs to integrate with NTO's Salesforce org. Which Salesforce API should be used to implement this integration?

                                                  Answer: C

                                                  Explanation:
                                                  When building custom mobile or web applications that aim to replicate the look and feel of Salesforce Lightning Experience, the User Interface (UI) API is the architecturally recommended choice.
                                                  The UI API is specifically designed to provide the metadata and data needed to build high-fidelity user interfaces. Unlike the standard REST API (Option B), which returns raw record data, the UI API returns both data and metadata in a single response. This includes information about page layouts, field-level security, picklist values, and localized labels. By using the UI API, the mobile app can dynamically render fields according to the user's permissions and the organization's layout configurations, ensuring that the custom app stays in sync with changes made in Salesforce Setup without requiring code updates in the mobile app.
                                                  Connect REST API (Option A) is primarily used for Chatter, Communities (Experience Cloud), and CMS content, and while it is useful for those specific social features, it does not provide the layout and record-level metadata required for a full CRM interface. The UI API is the same underlying technology that powers the Salesforce mobile app and Lightning Experience itself. Therefore, utilizing this API allows NTO's developers to build a native app that perfectly mimics the Lightning Experience while reducing the amount of custom logic needed to handle complex Salesforce UI requirements.


                                                  NEW QUESTION # 37
                                                  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.
                                                  However, their current response times could take up to 90 seconds to process and return (there are discussions to reduce the response times in the future, but no commitments are made).
                                                  These eligibility systems can be accessed through APIs orchestrated via ESB (MuleSoft).
                                                  All requests from Salesforce will have to traverse through the customer's API Gateway layer, and the API Gateway imposes a constraint of timing out requests after 9 seconds.

                                                  Which recommendation should the integration architect make?

                                                  Answer: B

                                                  Explanation:
                                                  The primary architectural challenge in this scenario is the massive discrepancy between the backend response time (up to 90 seconds) and the API Gateway timeout constraint (9 seconds). In any synchronous integration pattern, the connection must remain open across the entire path; if the API Gateway closes the connection at 9 seconds, a standard Salesforce "Request-Reply" callout will fail long before the 90-second eligibility check is complete.
                                                  Option A is non-viable because synchronous polling at a high scale (3,000 concurrent users) would likely hit Salesforce concurrent request limits and place an immense, unnecessary load on the API Gateway. Option B, using Continuation, is designed to handle long-running callouts (up to 120 seconds) without blocking Salesforce threads, but it still requires the external connection path to remain open. It does not bypass the 9-second timeout imposed by the customer's API Gateway.
                                                  The optimal recommendation is Option C, which implements an Asynchronous Request-Reply pattern using Platform Events and the empAPI.12 Request Phase: The Salesforce UI initiates the request. To bypass the 9-second gateway timeout, the ESB (MuleSoft) should be configured to receive the request3 and immediately return an acknowledgment (e.g.,4 HTTP 202 Accepted). This allows the initial Salesforce callout to complete successfully within the 9-second window.56 Processing Phase: MuleSoft then proceeds with the long-running (up to 90 seconds) call to the external eligibility systems.78 Callback Phase (Remote Call-In)9: Once the eligibility result is received, MuleSoft calls back into Salesforce via the REST API to publish a Platform Event containing the result.10 UI Update (empA11PI): The 3,000 sales agents' browsers, having subscribed to the event channel using the empAPI (Lightning's built-in library for streaming events), receive the notification in real-time. The UI then updates to display the "Display Response" step.
                                                  This event-driven architecture effectively "insulates" Salesforce and the API Gateway from the backend's high latency, ensures scalability for 3,000 concurrent users, and provides a seamless, real-time user experience without hitting governor limits or timeout constraints.


                                                  NEW QUESTION # 38
                                                  ......

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