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Plat-Arch-204 Exam with Accurate Salesforce Certified Platform Integration Architect PDF Questions

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Salesforce Plat-Arch-204 Exam Syllabus Topics:

Topic
Details

Topic 1

Evaluate the Current System Landscape: This domain covers analyzing existing technical environments to understand current systems, their standards, protocols, limitations, and boundaries, while identifying constraints and authentication
authorization requirements.

Topic 2

Design Integration Solutions: This domain centers on selecting integration patterns, designing complete solutions with appropriate components, understanding trade-offs and limitations, choosing correct Salesforce APIs, and determining required standards and security mechanisms.

Topic 3

Maintain Integration: This domain focuses on monitoring integration performance, defining error handling and recovery procedures, implementing escalation processes, and establishing reporting needs for ongoing integration health monitoring.

Topic 4

Evaluate Business Needs: This domain addresses gathering functional and non-functional requirements, classifying data by sensitivity, identifying CRM success factors, and understanding how business growth and regulations impact integration choices.

Topic 5

Build Solution: This domain covers implementing integrations including API design considerations, choosing outbound methods, building scalable solutions, implementing error handling, creating security solutions, and ensuring resilience during system updates.

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Salesforce Certified Platform Integration Architect Sample Questions (Q14-Q19):

NEW QUESTION # 14
Northern Trail Outfitters needs to present shipping costs and estimated delivery times to its customers. Shipping services used vary by region and have similar but distinct service request parameters. Which integration component capability should be used?

A. Enterprise Service Bus user interface to collect shipper-specific form data
B. Apex REST Service to implement routing logic to the various shipping service
C. Enterprise Service Bus to determine which shipping service to use and transform requests to the necessary format

Answer: C

Explanation:
When dealing with multiple external service providers (like different regional shippers) that have varying API requirements, the most scalable architectural choice is an Enterprise Service Bus (ESB) or middleware solution. This scenario describes a classic "Orchestration" and "Transformation" use case.
An ESB excels at:
1. Routing/Mediation: The ESB can receive a single, standardized request from Salesforce ("Get Shipping Rates") and use business logic to determine which regional carrier's API should be called.
2. Transformation: Each carrier likely has a distinct XML or JSON schema. The ESB can transform the common data model sent by Salesforce into the specific format required by the chosen shipper.
3. Protocol Bridging: If one shipper uses SOAP and another uses REST, the ESB handles these technical differences, allowing Salesforce to interact with a single, simplified interface.
Option A (Apex REST) would require the Salesforce team to maintain custom code for every new shipping provider added, leading to high technical debt and maintenance challenges. Option C is incorrect because an ESB is a back-end infrastructure component, not a user interface tool.
By utilizing an ESB, Northern Trail Outfitters decouples Salesforce from the complexities of the shipping providers' APIs. This "Hub and Spoke" model means that adding a new regional shipper in the future only requires configuration within the ESB, rather than a full code deployment in Salesforce. This provides the agility and architectural separation necessary for a global retail operation.

NEW QUESTION # 15
When a user clicks "Check Preferences" as part of a Lightning flow, preferences from an externally hosted RESTful service are to be checked in real time. The service has OpenAPI 2.0 definitions. Which integration pattern and mechanism should be selected?

A. Remote Call-In: Salesforce REST API with REST Composite Resources.
B. Data Virtualization: Salesforce Connect maps external REST data in external objects.
C. Request and Reply: Enhanced External Services invokes a REST API.

Answer: C

Explanation:
This scenario describes a classic Request and Reply pattern where a user action in the UI requires an immediate, synchronous response from an external system to determine the next step in a business process (the Flow).
The requirement specifies that an OpenAPI 2.0 (Swagger) definition is available. For an Integration Architect, this is a prime use case for External Services. External Services allow you to import an OpenAPI schema and automatically generate "Invocable Actions" that can be used directly in Flow Builder without writing a single line of Apex code.
Why this is the best fit:
Low Code: It fulfills the requirement purely through declarative configuration, which reduces maintenance and development costs.
Real-Time: It performs a synchronous HTTP callout and waits for the Boolean/String values to be returned to the Flow variables.
Type Safety: Because it uses the OpenAPI definition, Salesforce understands the data types (Boolean/String) natively.
Option A (Data Virtualization) is more suitable for viewing and searching large external datasets as if they were records; it is over-engineered for a simple "check status" function. Option C (Remote Call-In) is the inverse of the requirement; it refers to an external system calling into Salesforce. By using Enhanced External Services, the architect provides a scalable, declarative solution that perfectly aligns with modern Salesforce development best practices for real-time external system interaction.

NEW QUESTION # 16
Northern Trail Outfitters (NTO) wants to improve the quality of callouts from Salesforce to its REST APIs. For this purpose, NTO will require all API Clients/consumers to adhere to REST API Markup Language (RAML) specifications that include the field-level definition of every API request and response Payload. The RAML specs serve as interface contracts that Apex REST API Clients can rely on. Which design specification should the integration architect include in the integration architecture to ensure that Apex REST API Clients' unit tests confirm Adherence to the RAML specs?

A. Require the Apex REST API Clients to implement the HttpCalloutMock
B. Implement HttpCalloutMock to return responses per RAML specification.
C. Call the HttpCalloutMock Implementation from the Apex REST API Clients.

Answer: B

Explanation:
In a contract-first integration strategy using RAML (RESTful API Modeling Language), the specification defines the exact structure of requests and responses. Because Salesforce unit tests cannot perform actual network callouts, the platform requires d1evelopers to use the HttpCalloutMock interface to simulate responses.
To ensure that the integration code strictly adheres to the established RAML contract, the integration architect must mandate that the HttpCalloutMock implementation returns responses that mirror the RAML specification. This means the mock must include all required fields, correct data types, and the expected HTTP status codes (e.g., 200 OK, 201 Created) as defined in the contract. By doing this, the unit tests verify that the Apex client code can successfully parse and process the specific JSON or XML payloads defined in the RAML spec.
Option A and B are technically imprecise. The Apex client does not "implement" the mock; rather, the test class provides a separate mock implementation to the runtime via Test.setMock(). The value of the integration architecture lies in the content of that mock. If the mock is designed to return contract-compliant data, then any change to the RAML that breaks the Apex code's ability to process it will be caught immediately during the testing phase. This "Mock-as-a-Contract" approach provides a safety net, ensuring that Salesforce remains compatible with external services even as those services evolve, provided the RAML is kept up to date.

NEW QUESTION # 17
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?

A. User Interface API
B. Connect REST API
C. REST API

Answer: A

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 # 18
Northern Trail Outfitters (NTO) has an affiliate company that would like immediate notifications of changes to opportunities in the NTO Salesforce instance. The affiliate company has a CometD client available.
Which solution is recommended in order to meet the requirement?

A. Create a connected app in the affiliate org and select "Accept CometD API Requests".
B. Create a PushTopic update event on the Opportunity object to allow the subscriber to react to the streaming API.
C. Implement a polling mechanism in the client that calls the SOAP API getUpdated method to get the ID values of each updated record.

Answer: B

Explanation:
To provide "immediate notifications" to a client that already supports CometD, the architect must utilize Salesforce's Streaming API. PushTopic Events are the classic Streaming API implementation for broadcasting changes to specific records.
A PushTopic is a definition that includes a SOQL query and a set of trigger events (Create, Update, Delete). When an Opportunity in NTO's instance is updated and matches the query, Salesforce automatically pushes a notification to the topic's channel. The affiliate's CometD client, having subscribed to this channel, receives the data payload instantly.12 Option A (Polling) is the architectural opposite of "immediate notifications". Polling is inefficient, consumes API limits, and int13roduces latency between the actual record change and the client's discovery of that change. Option C is incorrect as there is no "Accept CometD" setting in a Connected App; while a Connected App is used for OAuth authentication, the PushTopic is the mechanism that actually defines and delivers the stream. By using PushTopic, NTO provides a decoupled, event-driven architecture that fulfills the requirement for real-time visibility while minimizing the technical burden on the affiliate's infrastructure.

NEW QUESTION # 19
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