Compare and Contrast the Advantages and Drawbacks (design Trade-Offs) of Using API-based Integrations Such as SOAP, REST, Bulk, Streaming, Canvas, Workflow Outbound, APEX (Callouts, @future, Etc.) and Lightning Connect. INTEGRATION-ARCHITECT Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   What is a key advantage of using synchronous Apex Callouts?

   • AThey can run for extended periods without timing out
   • BThey allow immediate response processing within the same transaction
   • CThey are automatically retried on failure
   • DThey do not count against API request limits
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A Salesforce developer needs to call an external shipping API after a record is inserted. The call can take up to 8 seconds, and the user should not experience any delay in the UI. The developer also needs to chain a second callout to a different system after the first completes. Which Apex pattern is most appropriate?

   • A@future method with two separate callouts
   • BQueueable Apex with a second Queueable chained in the first job's finish method
   • CSynchronous callout in a trigger
   • DBatch Apex with a single callout per execute() method
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A utility company needs to migrate 10 million meter readings from a legacy system into Salesforce. The data must be validated and deduplicated before loading. The company has a strict 4-hour nightly window and needs to minimize API call volume. Which approach is most appropriate?

   • AUse SOAP API with a custom batch loop
   • BUse Bulk API 2.0 with a pre-processing step in the middleware to validate and deduplicate
   • CUse REST API with composite requests to validate and insert records in batches of 200
   • DUse Streaming API to push each reading individually
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   An integration requires sending a one-time notification to an external system when a record is created, with no response needed. Which API-based integration is most appropriate?

   • AWorkflow Outbound Message
   • BStreaming API
   • CCanvas
   • DBulk API
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   What is a key advantage of using Workflow Outbound Messages?

   • AThey can be used to embed external apps in Salesforce
   • BThey support high-volume batch data transfers
   • CThey allow Salesforce to send a one-way notification to an external endpoint when a workflow rule is triggered
   • DThey provide real-time, two-way synchronous communication with external systems
   Reveal Solution Discussion Select an answer first