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Exam Certified Integration Architect topic 1 question 77 discussion

Actual exam question from Salesforce's Certified Integration Architect
Question #: 77
Topic #: 1
[All Certified Integration Architect Questions]

A company that is a leading provider of training delivers courses to students globally. The company decided to use Customer Community in order to allow students to log in to the community, register for courses and pay course fees. The company has a payment gateway that takes more than 30 seconds to process the payment transaction. Students would like to get the payment result in real time so in case an error happens, the students can retry the payment process.

What is the recommended integration approach to process payments based on this requirement?

  • A. Use Change Data Capture to process payment to the payment gateway.
  • B. Use Platform Events to process payment to the payment gateway.
  • C. Use Continuation to process payment to the payment gateway.
  • D. Use Request and Reply to make an API call to the payment gateway.
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Suggested Answer: C 🗳️
by JLee1 at Nov. 16, 2023, 7:37 a.m.

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JLee1
1 year ago
Selected Answer: C
Option C is correct because Continuations in Salesforce are used for making long-running request calls from Visualforce pages to an external web service. This would allow the payment gateway to process the payment and return the result in real time. Option D is incorrect because Request and Reply is a pattern used for synchronous communication between systems. However, it does not support long-running requests that take more than 30 seconds, which is a requirement in this case.
upvoted 2 times
u39403918
9 months, 1 week ago
D could still be valid because the Request and Reply Integration Pattern Framework says it could be configurable up to 120 seconds? https://developer.salesforce.com/docs/atlas.en-us.integration_patterns_and_practices.meta/integration_patterns_and_practices/integ_pat_remote_process_invocation_state.htm
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