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NEW QUESTION # 51
An enterprise architect has requested the Salesforce integration architect to review the following (see diagram and description) and provide recommendations after carefully considering all constraints of the enterprise systems and Salesforce Platform limits.
About 3,000 phone sales agents use a Salesforce Lightning user interface (UI) concurrently to check eligibility of a customer for a qualifying offer.
There are multiple eligibility systems that provide this service and are hosted externally.
However, their current response times could take up to 90 seconds to process and return (there are discussions to reduce the response times in the future, but no commitments are made).
These eligibility systems can be accessed through APIs orchestrated via ESB (MuleSoft).
All requests from Salesforce will have to traverse through the customer's API Gateway layer, and the API Gateway imposes a constraint of timing out requests after 9 seconds.
Which recommendation should the integration architect make?
Answer: B
Explanation:
The primary architectural challenge in this scenario is the massive discrepancy between the backend response time (up to 90 seconds) and the API Gateway timeout constraint (9 seconds). In any synchronous integration pattern, the connection must remain open across the entire path; if the API Gateway closes the connection at 9 seconds, a standard Salesforce "Request-Reply" callout will fail long before the 90-second eligibility check is complete.
Option A is non-viable because synchronous polling at a high scale (3,000 concurrent users) would likely hit Salesforce concurrent request limits and place an immense, unnecessary load on the API Gateway. Option B, using Continuation, is designed to handle long-running callouts (up to 120 seconds) without blocking Salesforce threads, but it still requires the external connection path to remain open. It does not bypass the 9-second timeout imposed by the customer's API Gateway.
The optimal recommendation is Option C, which implements an Asynchronous Request-Reply pattern using Platform Events and the empAPI.12 Request Phase: The Salesforce UI initiates the request. To bypass the 9-second gateway timeout, the ESB (MuleSoft) should be configured to receive the request3 and immediately return an acknowledgment (e.g.,4 HTTP 202 Accepted). This allows the initial Salesforce callout to complete successfully within the 9-second window.56 Processing Phase: MuleSoft then proceeds with the long-running (up to 90 seconds) call to the external eligibility systems.78 Callback Phase (Remote Call-In)9: Once the eligibility result is received, MuleSoft calls back into Salesforce via the REST API to publish a Platform Event containing the result.10 UI Update (empA11PI): The 3,000 sales agents' browsers, having subscribed to the event channel using the empAPI (Lightning's built-in library for streaming events), receive the notification in real-time. The UI then updates to display the "Display Response" step.
This event-driven architecture effectively "insulates" Salesforce and the API Gateway from the backend's high latency, ensures scalability for 3,000 concurrent users, and provides a seamless, real-time user experience without hitting governor limits or timeout constraints.
NEW QUESTION # 52
NTO is merging two orgs but needs the retiring org available for lead management (connected to web forms). New leads must be in the new instance within 30 minutes. Which approach requires the least amount of development effort?
Answer: A
NEW QUESTION # 53
A security assessment noted vulnerabilities on unmanaged packages; notably, secrets like usernames, passwords, and OAuth tokens are stored in plain text. Which persistence mechanisms should an integration architect require to ensure that secrets are protected from deliberate or inadvertent exposure?
Answer: C
NEW QUESTION # 54
An integration architect has designed a mobile application for Salesforce users to get data while on the road using a custom user interface (UI). The application is secured with OAuth and is currently functioning well. There is a new requirement where the mobile application needs to obtain the GPS coordinates and store them on a custom geolocation field. The geolocation field is secured with field-level security, so users can view the value without changing it. What should be don4e to meet the requirement?
Answer: B
Explanation:
When a custom mobile application already secured with OAuth needs to update a record in Salesforce, the standard architectural recommendation is to use the REST API. The REST API is optimized for mobile environments because it uses lightweight JSON payloads and follows standard HTTP methods (such as PATCH for updates), which are highly compatible with mobile development frameworks.
In this specific scenario, the architect must address the Field-Level Security (FLS) constraint. Because the geolocation field is set to read-only for users, a standard UI-based update would typically fail. However, when using an inbound REST API call with a properly authorized integration user or via a "System Mode" context (if utilizing a custom Apex REST resource), the system can be configured to bypass UI-level restrictions while maintaining data integrity.
The mobile device captures the coordinates via the device's native GPS capabilities and initiates an inbound call to the Salesforce REST endpoint. Option A (Apex inbound call) is a subset of REST functionality but is only necessary if complex server-side logic is required that the standard REST API cannot handle. Option C is technically incorrect as mobile devices do not typically "receive" callouts from Salesforce in this pattern; they initiate the requests. By leveraging the standard REST API, the architect ensures a scalable, secure, and standardized integration that adheres to Salesforce's mobile-first integration principles.
NEW QUESTION # 55
Northern Trail Outfitters needs to use Shield Platform Encryption to encrypt social security numbers in order to meet a business requirement. Which action should an integration architect take prior to the implementation of Shield Platform Encryption?
Answer: B
Explanation:
Implementing Shield Platform Encryption is a significant architectural change that requires careful planning before activation. The architect's first priority must be to Review Shield Platform Encryption configurations and understand the platform's functional limitations.
Encryption at rest affects how data interacts with other platform features. For example, encrypting a field can impact the ability to use that field in SOQL WHERE clauses, report filters, list views, or as a unique/external ID. Before encrypting Social Security Numbers, the architect must audit all existing integrations, Apex code, and reports that reference that field to ensure they will still function correctly.
Option A is incorrect because unnecessarily encrypting all data can negatively impact system performance and break standard functionality. Encryption should be applied selectively to sensitive fields based on a clear data classification policy. Option B is factually wrong; Shield is a data protection tool, not an authentication or authorization mechanism like OAuth or SSO. By reviewing the configurations first, the architect can identify potential "blockers"-such as a field being used in a formula or a criteria-based sharing rule-and address them before the encryption keys are generated and applied.
NEW QUESTION # 56
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