Plat-Arch-204 Training Materials | Exam Plat-Arch-204 Prep

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Salesforce Plat-Arch-204 Exam Syllabus Topics:

TopicDetails
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
  • 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 3
  • 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 4
  • 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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Featured Salesforce certification Plat-Arch-204 exam test questions and answers

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Salesforce Certified Platform Integration Architect Sample Questions (Q27-Q32):

NEW QUESTION # 27
A media company recently implemented an IAM system supporting SAML and OpenId. The IAM system must integrate with Salesforce to give new self-service customers instant access to Salesforce Community Cloud. Which requirement should Salesforce Community Cloud support for self-registration and SSO?

Answer: A

Explanation:
To provide "instant access" for new customers via an external IAM system using SAML, Salesforce provides a declarative feature called Just-in-Time (JIT) provisioning.
When a customer attempts to log in to the Community (Experience Cloud) through the IAM system, the IAM system (acting as the Identity Provider) sends a SAML assertion to Salesforce. If JIT provisioning is enabled, Salesforce parses the user information contained in that assertion-such as name, email, and federation ID. If a corresponding User record does not exist, Salesforce automatically creates one on-the-fly and then logs the user in. This eliminates the need for a manual registration step or pre-provisioning accounts.
Option A is slightly incorrect because Registration Handlers are specifically associated with Authentication Providers (which use OpenID Connect/OAuth), not SAML SSO. Option C is incorrect because JIT provisioning is a feature of SAML, while Authentication Providers use the Registration Handler class to achieve the same result. For a "self-service" scenario where speed to market and standard protocols are key, SAML SSO with JIT provisioning is the architect's primary choice for automating user management and providing a seamless single-entry point for subscribers.


NEW QUESTION # 28
An architect decided to use Platform Events for integrating Salesforce with an external system for a company. What should an architect consider when proposing this type of integration mechanism?

Answer: A

Explanation:
When proposing Platform Events as an integration mechanism, an architect must ensure that the security model is correctly configured to allow for the publication and subscription of events. Unlike standard objects, Platform Events have specific permission requirements for the "Integration User" or any system entity interacting with the event bus.
For an external system to subscribe to a Platform Event stream (via CometD or the Pub/Sub API), the user account used to authenticate the connection must have the "Read" permission on the specific Platform Event entity. Similarly, if the external system needs to publish events back into Salesforce, the user must have "Create" permissions. These permissions are typically managed through a Profile or a Permission Set assigned to the Integration User.
Regarding the other options, Option A is incorrect because Platform Events are designed for asynchronous communication. They are inherently decoupled; the external system does not need the same uptime as Salesforce. High-volume platform events are stored in the event bus for 72 hours, allowing an external system to "catch up" using a Replay ID once it comes back online. Option C is also incorrect because Platform Events follow a Publish/Subscribe pattern. Salesforce "broadcasts" the event to the bus without needing to know which specific external systems are listening. This decoupling is a primary advantage of event-driven architecture, as it allows for a "one-to-many" distribution model where multiple systems can consume the same message without additional configuration within Salesforce. Thus, ensuring the correct object-level permissions (Read/Create) is the most critical technical consideration for the architect to guarantee successful message delivery.


NEW QUESTION # 29
Northern Trail Outfitters (NTO) wants to improve the quality of callouts from Salesforce to its REST APIs by requiring all API clients to adhere to RAML (REST API Markup Language) specifications. The RAML specs serve as interface contracts. 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?

Answer: C

Explanation:
In a contract-first integration approach using RAML, the specification acts as the single source of truth for request and response structures. Since Salesforce unit tests are prohibited from performing actual network callouts, the HttpCalloutMock interface must be used to simulate external API behavior.
To ensure unit tests truly confirm adherence to the RAML contract, the architect must mandate that the mock implementation specifically returns responses formatted per the RAML specification. This means the mock's JSON or XML body, headers, and HTTP status codes (e.g., 200 OK, 400 Bad Request) must exactly match the "interface contract" defined in the RAML file.
By strictly aligning the mock with the RAML spec, developers ensure that the Apex client's parsing logic (e.g., JSON.deserialize()) is tested against the agreed-upon data model. If the external service later changes its schema in a way that deviates from the RAML, the unit tests-which are based on that contract-will help identify where the Apex code might fail. Options B and C are technically incorrect: the client does not "call" or "implement" the mock; rather, the test runtime provides the mock instance to the client via Test.setMock().


NEW QUESTION # 30
Salesforce is the system of record for Leads, Contacts, Accounts, and Cases. Customer data also exists in an ERP, ticketing system, and data lake, each with unique identifiers. Middleware is used to update systems bidirectionally. Which solution should be recommended to handle this?

Answer: B

Explanation:
In a complex landscape where multiple systems contain overlapping customer data, each with its own primary key, the core architectural challenge is Identity Management. To ensure that an update in Salesforce (the System of Record) correctly updates "Customer A" in the ERP and "Customer A" in the Data Lake, a Master Data Management (MDM) strategy is required.
An MDM solution creates a Cross-Reference (X-Ref) Table or a "Golden Record" that maps the unique identifiers from all systems. In the Salesforce record, the architect should implement External ID fields for each corresponding system (e.g., ERP_ID__c, Ticket_System_ID__c).
Why this is the superior recommendation:
Bidirectional Integrity: When the middleware receives an update from the ERP, it uses the ERP_ID__c to perform an "upsert" in Salesforce, ensuring no duplicates are created.
Traceability: It allows for easy auditing of data lineage across the enterprise.
Decoupling: Salesforce doesn't need to know the internal logic of the ERP; it simply holds the reference key.
Option B (CDC) is a delivery mechanism, not an identity management strategy; it tells you that something changed, but not which record in the ERP it corresponds to without the ID mapping. Option C (Local caching in middleware) is an "anti-pattern" because it makes the middleware stateful; if the middleware cache is lost or out of sync, the entire integration breaks. By designing an MDM-based mapping solution directly within the data model, the architect ensures a robust, scalable, and transparent identity framework for the entire enterprise.


NEW QUESTION # 31
A global financial company with a core banking system processing 1 million transactions per day wants to build a community portal. Customers need to review their bank account details and transactions. What should an integration architect recommend to enable community users to view their financial transactions?

Answer: A

Explanation:
When dealing with high-volume data (1 million transactions per day) that does not need to be stored natively in Salesforce, the architect should recommend Data Virtualization via Salesforce Connect.
Salesforce Connect allows the company to display external data as External Objects. This approach provides several architectural advantages for a banking community:
No Data Storage: Transactions remain in the core banking system, avoiding the massive storage costs and complex synchronization logic required to house millions of records natively in Salesforce.
Real-Time Visibility: Because External Objects are queried on-demand via the OData protocol or a custom Apex adapter, customers see the most up-to-date transaction history every time they refresh the page.
While an Iframe (Option B) is technically possible, it is often discouraged due to security concerns (such as clickjacking) and a poor user experience, as the Iframe does not natively integrate with Salesforce UI components or reporting. Salesforce Connect provides a "seamless" look and feel, allowing External Objects to be used in related lists and Lightning components just like standard Salesforce records, while keeping the heavy data burden on the performant core banking system.


NEW QUESTION # 32
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