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질문 # 87
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?
정답：A
설명：
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.
질문 # 88
An enterprise customer is implementing Salesforce for Case Management. Based on the landscape (Email, Order Management, Data Warehouse, Case Management), what should the integration architect evaluate?
정답：A
설명：
The evaluation of an integration landscape is a process of rationalization. The goal is to identify which legacy systems Salesforce will replace (System Retirement) and which systems it must coexist with (Integration).
In this scenario, Salesforce is being implemented for Case Management. Salesforce Service Cloud is the industry leader for this specific function. Therefore, the legacy Case Management System should be retired. Any architecture that suggests "integrating" Salesforce with the legacy Case Management system (Options A and B) is creating a redundant and complex "dual-master" scenario that increases technical debt.
To provide a successful support experience, Salesforce needs to be the central "Engagement Layer," which requires integration with the remaining ecosystem:
Email Management System: To support "Email-to-Case" and ensure all customer communications are captured within the Salesforce Case record.
Order Management System (OMS): Support agents often need to verify purchase history or shipping status to resolve a case. A "Data Virtualization" or "Request-Reply" integration with the OMS is vital.
Data Warehouse: For long-term historical reporting and cross-functional analytics, Salesforce must push case data to the enterprise Data Warehouse.
By evaluating the integration with the Data Warehouse, Order Management, and Email Management systems, the architect ensures that Salesforce is enriched with the context it needs to resolve cases while simultaneously retiring the redundant legacy support system.
질문 # 89
Northern Trail Outfitters is in the final stages of merging two Salesforce orgs, but needs to keep the retiring org available for a short period of time for lead management as it is connected to multiple public website forms. The sales department has requested that new leads are available in the new Salesforce instance within 30 minutes. Which approach requires the least amount of development effort?
정답：A
설명：
In an org merger scenario, a Salesforce Platform Integration Architect must often design interim solutions that balance speed of delivery with minimal development overhead. The requirement here is for leads to be synced within a 30-minute window. This is a relatively low-latency requirement that does not strictly necessitate a real-time, event-driven architecture, which typically requires more complex infrastructure like Platform Events or middleware.
Option A, calling the Salesforce REST API to insert leads into the target system, represents the standard, most straightforward approach. Since both systems are Salesforce orgs, the retiring org can be configured to make an outbound REST call to the new org's standard Lead endpoint. This can be achieved with a small amount of Apex code (such as a trigger or an invocable method called by a Flow). This approach is considered the "least development effort" because it leverages the standard REST API, which is already enabled and authenticated via a Connected App in the target org. It requires no custom API development in the target system and uses standard JSON payloads.
Option B is incorrect because the Tooling API is intended for managing metadata, system settings, and developer tools, not for standard transactional data movement like Lead insertion. Option C, using the Composite REST API, is an optimization technique designed to group multiple requests into a single call to save on API limits. While efficient for high-volume scenarios, it introduces additional development complexity regarding payload construction and bulk error handling that exceeds the "least effort" requirement for a simple Lead sync. Therefore, a standard REST call is the most direct path to meeting the 30-minute SLA with minimal coding.
질문 # 90
A company accepts payment requests 24/7. Once the company accepts a payment request, its service level agreement (SLA) requires it to make sure each payment request is processed by its Payment System. The company tracks payment requests using a globally unique identifier created at the Data Entry Point. The company's simplified flow is as shown in the diagram.
The company encounters intermittent update errors when two or more processes try to update the same Payment Request record at the same time. Which recommendation should an integration architect make to improve the company's SLA and update conflict handling?
정답：B
설명：
In high-concurrency environments like 24/7 payment processing, a common architectural failure is "race conditions," where multiple threads attempt to update the same record simultaneously. To resolve this while strictly adhering to a Service Level Agreement (SLA), the Integration Architect must shift the responsibility of orchestration to a central "nervous system"-the Middleware (e.g., MuleSoft or an ESB).
According to Salesforce Integration best practices, Middleware coordination is essential for managing the state and sequencing of asynchronous messages. By having the Middleware coordinate request delivery, it can implement a "Sequential Processing" or "First-In-First-Out" (FIFO) queue logic. This ensures that even if the Data Entry Point pushes requests at high speed, the Middleware can throttle or serialize the calls to the Payment System, preventing the record-locking errors and update conflicts mentioned in the scenario.
Furthermore, the globally unique identifier created at the Data Entry Point allows the Middleware to perform Idempotency checks. If a duplicate request arrives or an error occurs, the Middleware can use this ID to verify the status before attempting another update, ensuring that the "exactly-once" processing requirement of the SLA is met without creating duplicate payment records or conflicting status updates.
While Option B suggests retries-which are necessary for a "Fire-and-Forget" pattern-retrying without central coordination often exacerbates update conflicts rather than solving them. Option C (processing once) is a result of a well-designed system, but it does not provide the mechanism to handle the specific update conflicts described. By recommending that the Middleware coordinate the entire flow, the architect provides a robust solution that manages delivery, handles retries gracefully, and ensures data integrity across the system landscape.
질문 # 91
Northern Trail Outfitters (NTO) wants to improve the quality of callouts from Salesforce to its REST APIs by adhering to RAML (REST API Markup Language) specifications. The RAML specs serve as interface contracts. Which design specification should the integration architect include to ensure that Apex REST API Clients' unit tests confirm adherence to the RAML specs?
정답：A
설명：
In Salesforce, you cannot perform real HTTP callouts during unit tests. To test integration logic, developers must use the HttpCalloutMock interface to simulate the API's response. To ensure that the Apex code adheres to the RAML contract, the architect should require that the test mock implementation strictly follows the RAML specifications.
By requiring the Apex REST API Clients to implement the HttpCalloutMock (or more specifically, creating a mock class that implements it), the developer creates a controlled testing environment. The mock class should be coded to return a payload that matches the RAML-defined structure (fields, data types, and status codes). When the test runs, the Apex client receives this "contract-compliant" response. The unit test then uses assertions to verify that the Apex code correctly parses and handles this specific data structure.
Option B is technically imprecise; you don't "call" the mock from the client, you provide the mock to the test runtime using Test.setMock(). Option C describes the general process of testing but does not address the "design specification" needed to ensure contract adherence. By mandating a mock implementation that mirrors the RAML contract, the architect ensures that if the API contract changes in the RAML file, the unit tests will fail if the Apex code is not updated to match, thereby maintaining high integration quality and preventing runtime errors.
질문 # 92
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