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[General] 100% Pass Salesforce - Fantastic Plat-Arch-204 Valid Exam Pdf

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【General】 100% Pass Salesforce - Fantastic Plat-Arch-204 Valid Exam Pdf

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Salesforce Plat-Arch-204 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • Translate Needs to Integration Requirements: This domain involves converting business needs into technical specifications by documenting systems and patterns, evaluating constraints, defining security requirements, and determining performance needs like volumes, response times, and latency.
Topic 3
  • 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.

Salesforce Certified Platform Integration Architect Sample Questions (Q126-Q131):NEW QUESTION # 126
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?
  • A. The endpoint domain has been added to Cross-Origin Resource Sharing (CORS).
  • B. The endpoint URL has been added to Remote Site Settings.
  • C. The endpoint URL has been added to Content Security Policies (CSP).
Answer: C
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 # 127
Salesforce is considered to be the system of record for the customer. UC plans on using middleware to integrate Salesforce with external systems (ERP, ticketing, data lake). UC has a requirement to update the proper external system with record changes in Salesforce and vice versa. Which solution should an integration architect recommend?
  • A. Store unique identifiers in an External ID field in Salesforce and use this to update the proper records across systems.
  • B. Use Change Data Capture to update downstream systems accordingly when a record changes.
  • C. Locally cache external Ids at the middleware layer and design business logic to map updates between systems.
Answer: A
Explanation:
In a multi-system landscape, maintaining data synchronization requires a robust Identity Mapping strategy. The standard Salesforce architectural recommendation is to use External ID fields to store the unique identifiers from each secondary system.
By storing the ERP ID, Ticketing ID, and Data Lake ID as External IDs in Salesforce, the middleware can perform upsert operations without needing to first query Salesforce for its internal ID. This reduces the number of API calls and simplifies the integration logic. Conversely, when Salesforce pushes a change to the ERP, it sends the stored ERP ID, allowing the ERP to instantly identify the correct target record.
Option B (Caching at the middleware) is a high-maintenance "anti-pattern" that introduces a new point of failure if the cache goes out of sync with the actual systems. Option C (Change Data Capture) is a mechanism for notifying systems of changes, but it does not solve the underlying identity mapping problem. Using External IDs creates a stable, searchable, and performant cross-reference that is the backbone of any successful "hub-and-spoke" integration architecture.

NEW QUESTION # 128
A developer is researching different implementations of the Streaming API (PushTopic, Change Data Capture, Generic Streaming, Platform Events) and asks for guidance. What should the architect consider when making the recommendation?
  • A. Change Data Capture does not have record access support.
  • B. Change Data Capture can be published from Apex.
  • C. PushTopic Events can define a custom payload.
Answer: A
Explanation:
When recommending a streaming solution, the architect must evaluate how each event type handles Record-Level Security (Sharing). Change Data Capture (CDC) is unique because it ignores sharing settings for record change events. This means all records of an enabled object generate change events, regardless of whether a particular user has access to those records in the Salesforce UI.
While CDC disregards record-level sharing, it does respect Field-Level Security (FLS). Delivered events only include the fields that the subscribing user is permitted to access. This is a critical consideration for integrations: if a system requires a "Master" view of all record changes across the enterprise (such as a data warehouse sync), CDC is the appropriate tool because it ensures no data is missed due to user-specific sharing constraints.
In contrast, PushTopic Events (Option A) provide a fixed payload based on a SOQL query and do not allow a "custom" payload in the same sense as Platform Events. Platform Events (Option C) are published from Apex or external APIs, but CDC is a platform-native feature that broadcasts automatically when a database record is modified, rather than being "published from Apex" by a developer.

NEW QUESTION # 129
An integration developer is developing an HR synchronization app for a client. The app synchronizes Salesforce record data changes with an HR system that's external to Salesforce. What should the integration architect recommend to ensure notifications are stored for up to 3 days if data replication fails?
  • A. Change Data Capture
  • B. Callouts
  • C. Outbound Message
Answer: A
Explanation:
For HR synchronization requiring high reliability and a multi-day data retention window, Change Data Capture (CDC) is the optimal architectural choice.12 CDC is an event-driven integration framework that automatically publ3ishes change events for Sale4sforce records (Create, Update, Delete, and Undelete). A critical feature of CDC for failure recovery is its 72-hour (3-day) retention window. If the external HR system or the replication middleware experience downtime, the change events remain stored in the Salesforce event bus for up to three days. Once the HR system is back online, the subscriber can use the Replay ID of the last successfully processed event to retrieve all missed notifications from the bus, ensuring zero data loss during the outage.
In contrast, Outbound Messaging (Option B) only provides a 24-hour retry window. If the target system is unavailable for more than one day, the notifications are dropped, making it unsuitable for a 3-day requirement. Callouts (Option C) are typically synchronous and do not have native, platform-managed storage or retry mechanisms for failed requests; once a callout fails, the data is lost unless a custom retry architecture is built. CDC's native, durable event bus provides the necessary scalability and resilience for critical HR data synchronization without requiring complex custom code for error handling and data recovery.

NEW QUESTION # 130
Northern Trail Outfitters (NTO) uses different shipping services for each of the 34 countries it serves. Services are added and removed frequently to optimize shipping times and costs. Sales representatives need to select between valid service(s) for the customer's country and request shipping estimates from that service. Which solution should an architect propose?
  • A. Store shipping services in a picklist that is dependent on a country picklist.
  • B. Use Platform Events to construct and publish shipper-specific events.
  • C. Use middleware to abstract the call to the specific shipping services.
Answer: C
Explanation:
When an organization must interact with multiple external services (34 different shipping providers) that change frequently, the primary architectural goal is to decouple Salesforce from the specific endpoints and protocols of those services.11 The architect should propose us12ing middleware to abstract the call. By introducing a middleware layer (such as an ESB or iPaaS), Salesforce makes a single, standardized call to the middleware, passing the country and order details. The middleware then handles the "rocess Orchestration":
Service Routing: Determining which shipping service is valid for the specified country.
Protocol Mediation: Translating the standard Salesforce request into the specific format (REST, SOAP, XML, etc.) required by each individual shipping provider.
Maintenance: When a shipper is added or removed, the change is made in the middleware without requiring any code or metadata updates in Salesforce.
Option A (Picklists) creates a high administrative burden and does not solve the underlying technical complexity of making callouts to dozens of different APIs. Option B (Platform Events) is asynchronous and would introduce unnecessary latency for a sales rep who needs an estimate "on the spot" to complete an order. Middleware abstraction provides a scalable, maintainable, and agile architecture that allows NTO to optimize its shipping operations without disrupting the CRM user experience.

NEW QUESTION # 131
......
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