2026年JPTestKingの最新Plat-Arch-204 PDFダンプおよびPlat-Arch-204試験エンジンの無料共有：https://drive.google.com/open?id=1yg1b6SN7YQMVtmUOoSb4yZD3c7R6Zfqv
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| Section | Weight | Objectives |
|---|---|---|
| Design Integration Solutions | 28% | - Design scalable and secure solutions
|
| Maintain Integration | 11% | - Monitor and maintain integration
|
| Evaluate the Current System Landscape | 8% | - Identify system landscape and standards
|
| Build Solution | 23% | - Implement and configure integration
|
| Test and Deploy | 8% | - Test and deploy integration
|
| Translate Needs to Integration Requirements | 22% | - Define integration requirements
|
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質問 # 79
What is the first thing an integration architect should validate if a callout from a Lightning web component to an external endpoint is failing?
正解：A
解説：
When an integration callout initiated from a Lightning Web Component (LWC) fails, the architect must distinguish between client-side and server-side security layers. Unlike Apex callouts, which are governed by Remote Site Settings at the server level, LWC requests originate directly from the user's browser. Consequently, they are subject to the browser's Content Security Policy (CSP).
CSP is a security layer that helps detect and mitigate certain types of attacks, including Cross-Site Scripting (XSS) and data injection attacks. It prevents a website from loading content from a third party unless that domain is explicitly safe-listed. If an LWC attempts to connect to an external API endpoint that is not listed in the CSP Trusted Sites in Salesforce Setup, the browser will block the request before it is even sent, often returning a "Refused to connect because it violates the document's Content Security Policy" error. While Cross-Origin Resource Sharing (CORS) is also a browser-level security mechanism, it must be configured on the external server to allow the browser to access its resources; however, the first validation step within the Salesforce environment for a failing LWC callout is ensuring the domain is allowed by the org's CSP.
質問 # 80
A new Salesforce program requires data updates between internal systems and Salesforce. Which relevant detail should an integration architect seek to solve for integration architecture needs?
正解：B
解説：
In the "Discovery" phase of integration architecture, the architect must translate abstract business needs into technical requirements. The most critical variables that define the Integration Pattern are Timing and Volume.
An architect cannot choose between the REST API, Streaming API, Bulk API, or Outbound Messaging without knowing:
Latency Requirements: Does the business need the update in 200 milliseconds (Synchronous), 2 minutes (Near Real-Time), or 24 hours (Batch)?
Frequency: Is the data updated every time a user clicks a button, or once at the end of the day?
Volume: Are we moving 10 records at a time or 10 million?
Option A focuses on UI/UX and licensing, which are project management concerns. Option B focuses on resource allocation and governance. While important for the project, they do not inform the technical design of the data flow.
By specifically seeking out Timing aspects (Synchronous vs. Asynchronous) and Update Frequency, the architect can apply the Salesforce Integration Decision Matrix. For instance, a "Real-time" requirement for small volumes leads to a Request-Reply pattern via Apex Callouts. A "Nightly" requirement for large volumes leads to a Batch Data Synchronization pattern via the Bulk API. Identifying these "Non-Functional Requirements" (NFRs) early is the only way to ensure the architecture is scalable and stays within platform governor limits.
質問 # 81
Northern Trail Outfitters has had an increase in requests from other business units to integrate opportunity information with other systems from Salesforce. The developers have started writing asynchronous @future callouts directly into the target systems. The CIO is concerned about the viability of this approach and scaling for future growth. What should be done to mitigate the CIO's concerns?
正解：C
解説：
The CIO's concern regarding "viability" and "scaling" is rooted in the risks associated with tightly coupled, point-to-point integrations. Using @future methods for direct callouts creates a "spaghetti" architecture where Salesforce must manage the specific endpoints, authentication, and error logic for every external system.
The architect should recommend implementing an Enterprise Service Bus (ESB). An ESB acts as a centralized middleware layer that provides mediation, routing, and orchestration. By moving the integration logic to an ESB, Salesforce only needs to send a single message to the bus. The ESB then takes responsibility for delivering that data to multiple business units and external systems. This decouples Salesforce from the downstream systems; if a target system changes its API or is replaced, only the ESB configuration needs to be updated, not the Salesforce Apex code.
While External Services (Option A) provide a low-code way to call APIs, they still represent point-to-point connections and do not solve the broader orchestration and scaling challenges. ETL tools (Option C) are designed for bulk data movement and would not satisfy the need for the near real-time updates that the existing callout logic likely supports. An ESB provides the "quality of service" features-such as guaranteed delivery, retries, and protocol transformation-that are necessary for a growing enterprise to maintain a stable and scalable integration landscape.
質問 # 82
A new Salesforce program requires data updates between internal systems and Salesforce. Which relevant details should a Salesforce integration architect seek to solve for the integration architecture needs of the program?
正解：C
解説：
To design a robust and scalable integration architecture, a Salesforce architect must first define the technical scope and "plumbing" of the data flow.
The most critical details for solving integration architecture needs include:
Source and Target Systems: Identifying which systems are involved determines the available APIs (REST, SOAP, etc.) and the necessary security protocols.
Directionality: Knowing whether the integration is unidirectional (Salesforce to System X) or bidirectional is vital for managing record mastering and avoiding "infinite loops" in data synchronization.
Data Volume & Transformation Complexity: High volumes may require asynchronous batch processing via the Bulk API, while complex transformations (e.g., mapping custom external IDs to Salesforce Account Numbers) may necessitate a middleware layer like MuleSoft to act as the "central nervous system".
Option A focuses on UI/UX and licensing, which are general program concerns rather than architectural integration requirements. Option C deals with project management and governance, which are important for execution but do not inform the choice between a Request-Reply or Fire-and-Forget pattern. By focusing on systems, data direction, and transformation complexity, the architect can select the correct pattern and tools that satisfy business requirements while staying within platform limits.
質問 # 83
Northern Trail Outfitters needs to secure an integration with an external Microsoft Azure API Gateway. Which integration security mechanism should be employed?
正解：A
解説：
For outbound integrations from Salesforce to an external cloud gateway like Microsoft Azure API Gateway, securing the communication at the transport layer is a fundamental requirement. While standard SSL provides one-way encryption where the client (Salesforce) verifies the server (Azure), Mutual Server Authentication (Two-Way SSL/TLS) ensures that both parties are verified before data is exchanged.
In this architecture, Salesforce presents a digital certificate to the Azure API Gateway during the TLS handshake. For production environments, Salesforce architects recommend using certificates signed by a Certification Authority (CA) rather than self-signed certificates to establish a trusted chain of identity that complies with enterprise security standards. This mechanism prevents unauthorized clients from connecting to the Azure endpoint, effectively mitigating man-in-the-middle attacks and unauthorized data exfiltration.
While a Connected App and OAuth (Option B) are essential for inbound requests where external systems call Salesforce, they do not natively secure the point-to-point connection when Salesforce acts as the client. Similarly, a federated API access model (Option A) focuses on user identity but does not address the transport layer security between the two cloud platforms. By configuring two-way SSL, Northern Trail Outfitters ensures that the Azure API Gateway only processes requests originating from a trusted, authenticated Salesforce instance, fulfilling the high security and trust requirements of modern integration architecture.
質問 # 84
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