Technical and Operational Integration Models in Financial Blockchain Systems BFC Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A regional bank is planning to integrate blockchain for cross-border remittances. The operations team is unfamiliar with blockchain concepts and is resistant to change. The bank wants to ensure a smooth transition. Which change management approach is most appropriate?

   • AKeep the blockchain integration a secret until it is fully deployed to avoid early resistance.
   • BImmediately switch all remittance processing to the blockchain and let employees learn on the job.
   • COutsource all operations to a third party to avoid internal change management.
   • DRun a pilot project with a small team, provide targeted training, and gather feedback before scaling to the whole organization.
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2. 12foundation · easy

   Which of the following is an example of a protocol or standard that facilitates interoperability between blockchain networks?

   • ATCP/IP
   • BHTTP
   • CSQL
   • DISO 20022
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4. 13foundation · easy

   When integrating blockchain into a financial institution's operations, what is the main purpose of data synchronization between the blockchain and existing databases?

   • ATo replace the existing databases with the blockchain ledger entirely.
   • BTo ensure that records in both systems remain consistent and up to date.
   • CTo provide a backup of the blockchain ledger on a central server.
   • DTo increase the block size of the blockchain to handle more transactions.
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5. 14application · medium

   A large financial institution is planning to integrate blockchain into its cross-border payment operations. The integration will affect multiple departments, and the institution wants to minimize resistance and ensure a smooth transition. Which change management approach is most effective?

   • AImplement the blockchain system without informing employees until it goes live to avoid unnecessary concern.
   • BOutsource the entire integration to a vendor and have them manage all change management activities.
   • CLet each department decide independently whether to adopt the blockchain system.
   • DEngage stakeholders early, provide training, and establish a governance framework to oversee the transition.
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6. 15expert · hard

   A bank is integrating blockchain for real-time payments. The bank's existing payment system uses a message queue for inter-system communication. The bank wants to ensure that a payment is not lost if the blockchain node is temporarily unavailable. Which operational integration pattern should be used?

   • AUse a transactional outbox pattern where the payment is first stored in a local database and then published to the blockchain via a reliable message queue with retry logic.
   • BUse a synchronous API call to the blockchain and fail the payment if the node is unavailable.
   • CSend the payment directly to the blockchain node and rely on the node's memory to hold it if the node is down.
   • DWrite the payment to a log file and manually re-enter it later if the node is unavailable.
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