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NEW QUESTION # 85
A company uses Customer Community for course registration. The payment gateway takes more than 30 seconds to process transactions. Students want results in real time to retry if errors occur. What is the recommended integration approach?
Answer: C
Explanation:
Standard synchronous Apex callouts have a timeout limit, and more importantly, Salesforce limits the number of long-running requests (those lasting longer than 5 seconds) that can execute concurrently. If a payment gateway consistently takes 30 seconds, a few simultaneous users could easily exhaust the org's concurrent request limit, causing the entire system to stop responding.
The Continuation pattern (Option C) is designed specifically for this "long-wait" scenario. It allows the Apex request to be suspended while waiting for the external service to respond, freeing up the Salesforce worker thread to handle other users. Once the gateway responds, the suspended process resumes and returns the result to the student's browser. This provides the "real-time" experience required for the student to retry immediately without the risk of bringing down the entire community due to thread exhaustion.
NEW QUESTION # 86
A company needs to integrate a legacy on-premise application that can only support SOAP API. After the integration architect evaluates the requirements and volume, they determine that the Fire and Forget integration pattern will be most appropriate for sending data from Salesforce to the external application and getting response back in a strongly-typed format.
Which integration capabilities should be used to integrate the two systems?
Answer: A
Explanation:
When integrating with a legacy SOAP-only application using a Fire and Forget pattern, Salesforce Outbound Messaging is the native, declarative choice.
Outbound Messaging is a platform feature that sends a SOAP message to a designated endpoint when specific criteria are met. It is inherently asynchronous and provides built-in reliability; if the legacy system is offline, Salesforce will automatically retry the delivery for up to 24 hours. This perfectly fits the "Fire and Forget" requirement.
For the strongly-typed response back (Remote Call-In), the Enterprise WSDL is the correct recommendation.1415 Enterprise WSDL: This is a strongly-typed WSDL generated specifically for one org's metadata. It includes specific references to16 custom objects and fields, ensu17ring that the legacy system can communicate with Salesforce using a rigid, predictable data structure.
Partner WSDL (Option C): This is a loosely-typed WSDL designed for developers building tools that must work across many different orgs; it is not ideal for an internal, strongly-typed legacy integration.
While Platform Events (Option B) are a modern alternative, they typically use REST or Streaming APIs, making them a less natural fit for an application that "can only support SOAP". By combining Outbound Messaging and the Enterprise WSDL, the architect provides a robust, SOAP-native solution that satisfies the business's technical constraints and reliability requirements.
NEW QUESTION # 87
Universal Containers (UC) support agents would like to open bank accounts on the spot. During the process, agents execute credit checks through external agencies. At any given time, up to 30 concurrent reps will be using the service. Which error handling mechanisms should be built to display an error to the agent when the credit verification process has failed?
Answer: A
Explanation:
In a synchronous Request-Reply scenario where a bank agent is waiting "on the spot" for a credit check, the error-handling strategy must balance immediate feedback with system resilience.
Option A is the recommended architectural approach for enterprise resiliency. By placing a Middleware layer (like MuleSoft) between Salesforce and the credit agencies, the architect can implement sophisticated error-handling patterns that are invisible to the user but critical for success. If a credit agency's API is momentarily unreachable, the middleware can perform automated retries (e.g., three attempts with 500ms intervals). If the retries still fail, the middleware sends a clean, structured error response back to Salesforce.
Option B (Fire and Forget) is fundamentally unsuitable for this use case because the agent needs the result immediately to open the account; they cannot wait for a callback that might arrive hours later. Option C (Mock service) is only a testing tool and provides no value in a production environment where real financial data is required. By delegating the retry logic to the middleware, the architect protects Salesforce's concurrent request limits (since the agent only occupies a thread for the duration of the final response) and ensures that transient network issues do not result in a "failed" bank account application for the customer.
NEW QUESTION # 88
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?
Answer: B
Explanation:
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.
NEW QUESTION # 89
UC has an API-led architecture with three tiers. Requirement: return data to systems of engagement (mobile, web, Salesforce) in different formats and enforce different security protocols. What should the architect recommend?
Answer: B
Explanation:
In a standard API-led connectivity model, the First Tier (Experience APIs) is responsible for tailoring data for specific systems of engagement.
The Experience APIs take the core data from the lower tiers and transform it into the specific return formats (e.g., JSON for mobile, XML for legacy web) and security protocols (e.g., OAuth for Salesforce, API Keys for web) required by each consumer. Option B correctly identifies that these transformations and security enforcements should happen at this outer layer. While an API Gateway (Option A) can provide generic security and rate limiting, it is the Experience API layer that provides the functional transformation and specific protocol requirements defined by the business needs of the engagement systems.
NEW QUESTION # 90
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