Enterprise Blockchain BBLC Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which regulatory compliance requirement is particularly relevant for enterprise blockchains handling personal data?

   • APayment Card Industry Data Security Standard (PCI DSS)
   • BSarbanes-Oxley Act (SOX)
   • CGeneral Data Protection Regulation (GDPR)
   • DHealth Insurance Portability and Accountability Act (HIPAA)
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A retail consortium is experiencing slow transaction processing on their permissioned blockchain as transaction volume grows. They need to increase throughput without compromising the integrity of the shared ledger. Which approach is most effective?

   • AMove all transactions off-chain to a centralized database.
   • BIncrease the block size to allow more transactions per block.
   • CImplement sharding to partition the ledger across multiple shards.
   • DSwitch to a proof-of-work consensus to improve security.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A supply chain network with multiple competitors wants to share shipment data without revealing sensitive pricing information. They need to prove that certain conditions are met without disclosing the underlying data. Which privacy technique is most appropriate?

   • AZero-knowledge proofs
   • BHashing all data
   • CEncryption at rest
   • DPrivate channels
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   Which enterprise blockchain platform is known for its modular architecture and support for pluggable consensus and membership services?

   • ABitcoin
   • BHyperledger Fabric
   • CQuorum
   • DR3 Corda
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   What is the primary distinction between an enterprise blockchain and a public blockchain?

   • AEnterprise blockchains do not use consensus mechanisms, while public blockchains do.
   • BEnterprise blockchains are always faster because they use a different cryptographic algorithm.
   • CEnterprise blockchains are permissioned and governed by a consortium or single organization, while public blockchains are open and permissionless.
   • DEnterprise blockchains are only used for financial transactions, while public blockchains are used for all other applications.
   Reveal Solution Discussion Select an answer first