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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Integration Architect Exam |
| Exam Number: | Plat-Arch-204 |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Duration: | 105 minutes |
| Available Languages: | English |
| Exam Price: | USD 400 |
| Certificate Validity Period: | Maintained with annual certification maintenance requirements (no fixed expiration if maintained) |
| Passing Score: | Approximately 58% |
| Real Exam Qty: | Approximately 60 questions |
| Related Certifications: | Salesforce Certified Data Architect Salesforce Certified Integration Architect Salesforce Certified System Architect Salesforce Certified Application Architect Salesforce Certified Sharing and Visibility Architect |
| Recommended Training: | Salesforce Trailhead Integration Architect Learning Path Integration Architecture Designer Modules |
| Exam Registration: | Webassessor (Kryterion exam delivery) Salesforce Certification Registration |
| Sample Questions: | Salesforce Plat-Arch-204 Sample Questions |
| Exam Way: | Online proctored or onsite testing center (varies by region and provider availability) |
| Pre Condition: | Recommended prerequisite: Salesforce Certified Application Architect and Salesforce Certified System Architect (part of the Salesforce Certified Technical Architect track is strongly recommended). |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/platformintegrationarchitect |
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NEW QUESTION # 85
Northern Trail Outfitters needs to make synchronous callouts "available-to-promise" services to query product availability and reserve inventory during the customer checkout process. What should an integration architect consider when building a scalable integration solution?
Answer: B
Explanation:
In a Synchronous Request-Reply pattern, the user's experience is directly tied to the performance of the external service. For a mission-critical "Available-to-Promise" (ATP) service during checkout, the most vital scalability consideration is the typical and worst-case historical response times of the target system.
Salesforce imposes strict Governor Limits on synchronous callouts to protect platform health. Specifically, if an ATP callout takes longer than 120 seconds, the transaction will time out. More importantly, Salesforce limits the number of long-running requests (those lasting longer than 5 seconds). If multiple users are checking out simultaneously and the external inventory system begins to respond slowly (worst-case), those requests can quickly occupy all available slots in the concurrent request queue, leading to "Concurrent Request Limit Exceeded" errors for all users in the org.
By analyzing historical response times, the architect can determine if the service is reliable enough for a synchronous callout. If the worst-case response time frequently exceeds 5 seconds, the architect should consider a more resilient pattern, such as the Continuation pattern or an asynchronous approach, to prevent blocking the UI thread and hitting platform limits. Options A and C are irrelevant to synchronous checkout performance; query cursors relate to database state, and batch jobs are asynchronous background processes that do not impact real-time user checkout latency.
NEW QUESTION # 86
A CSR needs to obtain confirmation of payment from an external RESTful service before upgrading a customer's service. The integration must be reliable and monitored for audit purposes. What should an integration architect recommend?
Answer: A
Explanation:
When an integration involves financial transactions (payment gateways) and strict audit and reliability requirements, the most robust architectural pattern is to use an Enterprise Service Bus (ESB) or middleware as the orchestration layer.
An ESB provides critical enterprise-grade capabilities that Salesforce cannot easily replicate natively:
Centralized Auditing/Logging: The ESB can capture the full payload of every payment request and response, storing them in a secure log for regulatory compliance and financial audits.
Sophisticated Error Handling: If the payment gateway returns a transient error, the ESB can manage retries or circuit-breaker patterns to prevent system failure.
Protocol Mediation: The ESB can bridge any technical gaps between the Salesforce UI and the external RESTful service.
Option A (External Services) and Option B (Apex Callouts) are point-to-point integrations. While they can facilitate a real-time response, they place the burden of logging, audit trail management, and complex error handling directly on the Salesforce platform. For a B2C enterprise, "hard-coding" these sensitive financial processes into Apex triggers or Flows creates a maintenance challenge and lacks the transparent, enterprise-wide visibility that a middleware solution provides. By routing the payment through an ESB, the architect ensures that the CSR gets their "real-time" confirmation while the company maintains the high level of reliability and accountability required for financial operations.
NEW QUESTION # 87
What is the first thing an integration architect should validate if a callout from a Lightning web component (LWC) to an external endpoint is failing?
Answer: B
Explanation:
When an integration initiated from the client-side (the browser) fails, the architect must first look at the browser's security policies. In Salesforce, Lightning Web Components are subject to the Lightning Component framework's Content Security Policy (CSP).
CSP is a security layer that prevents cross-site scripting (XSS) and other code injection attacks by restricting which domains the browser is allowed to communicate with. If an LWC attempts to make a fetch() call to an external REST endpoint, the browser will block the request unless that specific domain is whitelisted in CSP Trusted Sites.
Option B (Remote Site Settings) is a common distractor; these settings are strictly for server-side Apex callouts and have no effect on client-side JavaScript requests. Option A (CORS) is also a browser security mechanism, but it must be configured on the external server to allow Salesforce to access its resources. While CORS is necessary, the first thing to validate within the Salesforce environment for a failing LWC callout is the CSP Trusted Site entry. Without this whitelisting, the request will be terminated by the browser before it even leaves the client, regardless of how the external server is configured.
NEW QUESTION # 88
Which Web Services Description Language (WSDL) should an architect consider when creating an integration that might be used for more than one Salesforce org and different metadata?
Answer: A
Explanation:
In the world of Salesforce SOAP APIs, the choice of WSDL depends on the nature of the application being built. When an architect needs to build an integration that is org-agnostic-meaning it can work across multiple different Salesforce organizations with varying custom objects and fields-the Partner WSDL is the correct choice.
The Partner WSDL is loosely-typed. It does not contain information about an org's specific custom metadata; instead, it uses a generic sObject structure. This allows a single client application (like a third-party integration tool or a mobile app) to connect to any Salesforce org and dynamically discover its schema at runtime. Because it is not tied to a specific org's metadata, it does not need to be regenerated every time a custom field is added to one of the target orgs.
In contrast, Option A (Enterprise WSDL) is strongly-typed. It is generated specifically for one org and contains hard-coded references to that org's custom objects and fields. While this provides better compile-time safety for internal, single-org integrations, it is unsuitable for an application intended for "more than one Salesforce org" because the WSDL would be invalid for any org that doesn't have the exact same metadata. Option C is a general term; the actual choices provided by Salesforce for integration are the Partner or Enterprise WSDLs. Therefore, for maximum flexibility and reusability across a multi-org landscape, the Partner WSDL is the industry standard.
NEW QUESTION # 89
Northern Trail Outfitters (NTO) uses different shipping services for each of the 34 countries it serves. Services are added and removed frequently. Sales representatives globally need to select between valid service(s) for the customer's country and request shipping estimates. Which solution should an architect propose?
Answer: B
Explanation:
When external services are highly volatile (added/removed frequently), the goal is to decouple the Salesforce UI from the underlying service logic. An Integration Architect should propose invoking a middleware service to retrieve the valid shipping methods.
By using middleware (such as an ESB or MuleSoft) as an abstraction layer, Salesforce doesn't need to "know" the details of the 34 different shipping providers. When a sales rep selects a country, Salesforce makes a single callout to the middleware. The middleware then performs the routing logic to identify which shippers are active for that region and returns a standardized list to Salesforce.
Option A is a "maintenance nightmare"; every time a shipping service changes in any of the 34 countries, an admin would need to manually update picklist values and dependencies in Salesforce, which is not scalable. Option C (Platfor31m Events) is an asynchronous pattern unsuitable for a real-time "request-reply" scenario where a rep is waiting for an estimate during a live customer interaction. Utilizing middleware centralizes the logic, simplifies Salesforce configuration, and allows NTO to change shipping providers without any code deployments or metadata updates in the Salesforce org.
NEW QUESTION # 90
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