Enterprise Blockchain Platforms and Frameworks BBLC Practice Questions (Page 10)

Questions 46–50

1. 46foundation · easy

   How does Hyperledger Fabric's consensus differ from public blockchain consensus like Proof of Work?

   • AIt requires all nodes to validate every transaction
   • BIt does not require solving cryptographic puzzles and relies on trusted ordering nodes
   • CIt uses the same consensus as Bitcoin but with faster block times
   • DIt relies on a central authority to approve all transactions
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A trade finance consortium uses R3 Corda to manage letters of credit. They need to ensure that no two transactions attempt to spend the same digital asset, and that each transaction is valid under the agreed business rules. Which Corda component is responsible for this?

   • AThe identity service
   • BThe network map service
   • CThe flow framework
   • DNotary services
   Reveal Solution Discussion Select an answer first
4. 48foundation · easy

   Which feature is a key differentiator of R3 Corda compared to other blockchain platforms?

   • AIt is a public permissionless network
   • BTransactions are only shared with the involved parties, not the entire network
   • CAll nodes maintain a copy of the entire ledger
   • DIt uses Proof of Work consensus
   Reveal Solution Discussion Select an answer first
5. 49foundation · easy

   In a Corda CorDapp, what is the purpose of a flow?

   • ATo automate the steps of a business process and coordinate transactions between parties
   • BTo validate the transaction's signatures
   • CTo store the ledger data
   • DTo define the legal agreement between parties
   Reveal Solution Discussion Select an answer first
6. 50foundation · easy

   Which consensus mechanism is commonly used in Quorum for crash fault tolerance?

   • ADelegated Proof of Stake
   • BRaft
   • CProof of Work
   • DProof of Authority
   Reveal Solution Discussion Select an answer first