Hyperledger Fabric Framework and Applications in Finance BFC Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A government agency is creating a permissioned blockchain for inter-bank reconciliation. They need to ensure that only authorized banks can participate and that each bank can only see transactions relevant to its own operations. Which Hyperledger Fabric feature should they rely on?

   • AMembership Service Providers (MSPs) to authenticate participating banks and channels to isolate transaction visibility.
   • BA single shared ledger visible to all participants.
   • CPublic key infrastructure (PKI) only, without MSPs.
   • DProof-of-Work consensus to secure the network.
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   How do client applications typically interact with a Hyperledger Fabric network?

   • ABy directly accessing the ledger database
   • BBy sending SQL queries to the peer
   • CBy connecting to the orderer via SSH
   • DBy using the Fabric SDKs to submit transactions and query the ledger
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A bank is joining an existing Hyperledger Fabric network used for syndicated lending. The network administrator must ensure that only the bank's authorized employees can submit transactions and that the bank's peers can verify the identity of other participants. What should the administrator configure?

   • AUse the same certificate authority as the ordering service for all members.
   • BConfigure the channel to allow any peer with a valid TLS certificate to submit transactions.
   • CCreate a new MSP for the bank and issue X.509 certificates to its employees and peers.
   • DAdd the bank's employees to the existing MSP of another member organization.
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A consortium of financial institutions is deploying Hyperledger Fabric. They need to ensure that only authorized organizations can add new members to the network. Which governance mechanism should they implement?

   • AUse a smart contract to manage membership and require endorsement from all members.
   • BDefine a channel configuration policy that requires a majority of the existing members to approve new member additions.
   • CAllow any existing member to add new members by updating the MSP.
   • DRely on the ordering service to approve new members.
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   A multinational bank is joining a Hyperledger Fabric network for cross-border payments. The bank has offices in multiple countries and must comply with local data residency regulations that require transaction data to remain within the country where the transaction originates. The network currently has a single channel spanning all countries. What is the most appropriate approach?

   • AEncrypt all transaction data and store it on the existing channel.
   • BUse private data collections to store data only on peers in the originating country.
   • CCreate separate channels for each country and ensure that peers in each country only host ledgers for their respective channels.
   • DConfigure the ordering service to only order transactions within the same country.
   Reveal Solution Discussion Select an answer first