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User Interface API should be used to implement this integration. User Interface API is a RESTful APIthat allows you to create native mobile apps and custom web apps with the look and feel of Salesforce’s Lightning Experience. User Interface API provides access to metadata, data, and UI components, such as layouts, actions, picklists, and record types. User Interface API also handles security, performance, and compatibility across different devices and browsers. References: Certification - Integration Architect - Trailhead, [User Interface API Developer Guide]

Visually monitor in the Salesforce UI using the “Bulk Data Load Jobs” in Salesforce in the setup menu, and use the getBatchInfo method in the Java application to monitor the status of the jobs from the Java application. These two methods can help the Technical Architect to monitor the nightly batch loads into Salesforce from an external system with a custom Java application using the Bulk API. The “Bulk Data Load Jobs” page in Salesforce shows the status, progress, and results of each batch loadjob. The getBatchInfo method in the Java application returns a BatchInfo object that contains information about a batch, such as its ID, state, number of records processed, and number of errors. References: Certification - Integration Architect - Trailhead, [Bulk API Developer Guide]

Using middleware queuing and buffering is a solution that can handle errors during service outages by storing the messages in a queue until the service is available again. This way, Salesforce does not lose any data orencounter any failures when the service is down. Using @future jobld and custom scheduled apex process to retry failed service calls is not a good solution because it can consume a lot of governor limits and create a lot of duplicate records. Using Outbound Messaging to automatically retry failed service calls is also not a good solution because it has a limited number of retries and a fixed retry interval, which may not be sufficient for long service outages. Using Platform Event replayld and custom scheduled Apex process to retrieve missed events is not applicable for this scenario because Platform Events are used for event-driven integration, not for web-service integration. Reference: Salesforce Integration Architecture Designer Resource Guide, page 29-30

This is because Bulk API is a RESTful API that is optimized for loading or deleting large sets of data asynchronously. By processing jobs in parallel mode, you can take advantage of the multiple resources available on the Salesforce platform and speed up the data load. The other options are not suitable for this scenario because:

• B, Contact Salesforce support to schedule performance load, is not a valid option as Salesforce does not offer such a service. You are responsible for optimizing your own data load performance.
• C, Use Bulk API to process jobs in serial mode, is aslower option than parallel mode as it processes one batch at a time. This is only recommended when you have dependencies between records or when you want to preserve the order of records.
• D, Use Bulk API to process jobs in high performance mode, is not avalid option as there is no such mode in Bulk API. You can only choose between parallel and serial modes.

References:

• Introduction to Bulk API 2.0 and Bulk API
• Use Bulk API 2.0 Unit

The end-to-end response time from the user’s perspective is the time elapsed between the user’s request and the user’s receipt of the final response. In the diagram, this corresponds to thesum of A and H, which are the durations of the synchronous calls from the user interface to the cloud-based application and back. The other durations (B to G) are either internal to the cloud-based application or asynchronous calls that do not affect theuser’s perception of response time. Therefore, the correct answer is D, because it represents the sum of A and H.

Change Data Capture (CDC) is thebest option to meet the requirement. CDC is a type of streaming event that notifies subscribers of changes to Salesforce records, such as creation, update, delete, and undelete operations. By subscribing to CDC events for the course registration data, theLMS can receive real-time updates and sync with Salesforce. Streaming API is another type of streaming event that notifies subscribers of changes to Salesforce records that match a SOQL query. However, Streaming API has some limitations, such as not supporting all SOQL features and not capturing delete and undelete operations. Platform Event is a type of streaming event that delivers custom notifications within the Salesforce platform or from external sources. Platform Event is not suitable for this requirement because it is not tied to Salesforce records and requires custom logic to publish and subscribe. Outbound Message is a workflow action that sends SOAP messages with field values to designated endpoints. Outbound Message is not suitable for this requirement because it does not support complex data types, such as sObjects or collections.

The system constraint questions that should be considered when designing an integration to send orders from Salesforce to a fulfillment system are related to the performance, reliability, and scalability of the integration. The latency and idempotency of the integration are important factors that affect these aspects. Therefore, the questions A and D are relevant for the integration design. The question B is related to the business logic of the order validation, which is not a system constraint question. The question C is related to the implementation details of the Outbound Messaging interface, which is not a system constraint question either

• Option C is correctbecause including selective criteria in query filters can improve the performance of the integration. Selective criteria are filters that reduce the number of records that need to be scanned by the query optimizer, such as indexed fields, standard indexes,or custom indexes. Selective criteria can help the query run faster and avoid hitting the query timeout limit or the query row limit.
• Option D is correct because removing the sharing restrictions can improve the performance of the integration. Sharing restrictions are filters that limit the access to records based on the user’s role, profile, or sharing rules. Sharing restrictions can add complexity and overhead to the query execution, as they require additional joins and calculations. Removing the sharingrestrictions can simplify the query and reduce the number of records that need to be processed.
• Option A is incorrect because including non-selective criteria in query filters can degrade the performance of the integration. Non-selective criteria are filters that do not reduce the number of records that need to be scanned by the query optimizer, such as non-indexed fields, formula fields, or OR conditions. Non-selective criteria can cause the query to run slower and hit the query timeout limit or the queryrow limit.
• Option B is incorrect because removing the query filters can degrade the performance of the integration. Query filters are conditions that specify which records to retrieve from the database, such as WHERE clauses or LIMIT clauses. Query filters can help the query run faster and avoid retrieving unnecessary or unwanted data. Removing the query filters can increase the number of records that need to be processed and transmitted by the integration.

References: Working with Very Large SOQL Queries:Improve performance with custom indexes using Salesforce Query Plan tool: Querying Data That Respects User Permissions: How does sharing affect SOQL performance?: SOQL SELECT Syntax : SOQL Best Practices

The DataVirtualization pattern allows Salesforce to access external data sources without storing the data in Salesforce. This reduces the data storage and synchronization costs and enables real-time access to the historical data. Salesforce Connect can be used to consume OData endpoints exposed by the ESB tool and display the external objects as related lists or custom components on the Case object

The Partner WSDL is the best option for creating an integration that might be used for more than one Salesforce organization and differentmetadata. The Partner WSDL is loosely typed and can reflect against any configuration of Salesforce. It is static and does not change if modifications are made to an organization’s Salesforce configuration. Therefore, it is more flexible and adaptable than the Enterprise WSDL, which is strongly typed and bound to a specific configuration of Salesforce1

References: Differences between Salesforce provided WSDL files