Enterprise Blockchain BBLC Practice Questions (Page 7)

Questions 31–35

1. 31foundation · easy

   When deploying smart contracts in an enterprise setting, what is an important legal consideration?

   • ASmart contracts cannot be used in regulated industries.
   • BSmart contracts are automatically legally binding in all jurisdictions.
   • CThe code should be aligned with existing legal agreements and regulatory requirements.
   • DSmart contracts must be written in a specific programming language to be legal.
   Reveal Solution Discussion Select an answer first
2. 32application · medium

   A consortium of five banks wants to share know-your-customer (KYC) data among themselves while keeping each bank's customer records invisible to the others. They need a permissioned blockchain that supports selective disclosure of transaction details to regulators only. Which platform should they choose?

   • AEthereum mainnet with encrypted payloads
   • BR3 Corda with a single shared ledger
   • CHyperledger Fabric with private data collections
   • DQuorum with public state
   Reveal Solution Discussion Select an answer first
4. 33expert · hard

   A consortium is choosing between PBFT and Raft for their permissioned blockchain. They have a requirement for high throughput, but they also need to tolerate a small number of malicious nodes. They are aware that PBFT has scalability limitations. What is the best decision?

   • AChoose PBFT despite scalability limitations because Byzantine fault tolerance is a hard requirement.
   • BChoose Raft because it offers higher throughput and is simpler.
   • CChoose Kafka because it is a proven ordering service.
   • DChoose a hybrid consensus that uses Raft for normal operations and PBFT for suspicious activity.
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5. 34foundation · easy

   Which technique is used in enterprise blockchains to allow only authorized parties to see transaction details?

   • ATokenization
   • BPublic key cryptography
   • CProof of Work
   • DPrivate channels
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6. 35foundation · easy

   Which of the following is a core feature of an enterprise blockchain?

   • APermissioned access with identity management.
   • BNo need for consensus mechanisms.
   • CComplete transparency of all data to all participants.
   • DOpen access for anyone to join and participate.
   Reveal Solution Discussion Select an answer first