Enterprise Blockchain Platforms and Frameworks BBLC Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   In Hyperledger Fabric, what is the purpose of a channel?

   • ATo store the chaincode for all peers
   • BTo define the consensus algorithm used by the network
   • CTo provide a private subnet of the network where only authorized members can transact and see the ledger
   • DTo connect the blockchain to external databases
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A government agency is selecting an enterprise blockchain platform for a land registry system. The system must comply with national data residency laws, support a high volume of transactions, and allow only approved government entities to participate. Which platform selection criterion is most critical to evaluate first?

   • AGovernance model and regulatory compliance
   • BCost of the platform license
   • CConsensus mechanism performance
   • DInteroperability with other government systems
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A multinational bank is evaluating enterprise blockchain platforms for a cross-border payment network. The network must comply with GDPR, which requires that personal data can be erased upon request. The bank is considering Hyperledger Fabric, Corda, and Quorum. Which platform feature is most critical for GDPR compliance?

   • AThe ability to use a public blockchain for transparency
   • BThe ability to encrypt personal data on-chain
   • CThe ability to delete transactions from the blockchain ledger
   • DThe ability to store personal data off-chain and only keep hashes on-chain
   Reveal Solution Discussion Select an answer first
5. 19expert · hard

   A consortium is evaluating interoperability between Hyperledger Fabric and Quorum for a cross-platform asset transfer. They need to ensure that an asset transferred from Fabric to Quorum is not double-spent during the transfer. What is the most important consideration?

   • AEnsure both platforms use the same consensus mechanism
   • BImplement a locking mechanism on the source platform before minting on the destination platform
   • CUse a trusted oracle to relay the transfer
   • DUse a sidechain for the transfer
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   In Corda, what is the difference between validity consensus and uniqueness consensus?

   • AValidity is done by notaries; uniqueness is done by nodes
   • BThey are the same concept
   • CValidity ensures no double-spending; uniqueness ensures transaction rules are followed
   • DValidity ensures transaction rules are followed; uniqueness ensures no double-spending
   Reveal Solution Discussion Select an answer first