Hyperledger Fabric Framework and Applications in Finance BFC Practice Questions (Page 7)

Questions 31–35

1. 31foundation · easy

   Which of the following is a common financial use case for Hyperledger Fabric?

   • ATrade finance
   • BCryptocurrency mining
   • CAnonymous transactions
   • DPublic token issuance
   Reveal Solution Discussion Select an answer first
2. 32foundation · easy

   What type of credentials does the Membership Service Provider (MSP) use to authenticate participants in Hyperledger Fabric?

   • AUsername and password
   • BAPI keys
   • CX.509 digital certificates
   • DBiometric data
   Reveal Solution Discussion Select an answer first
4. 33foundation · easy

   What is the primary purpose of a channel in Hyperledger Fabric?

   • ATo store the world state of the entire network
   • BTo increase the transaction throughput of the network
   • CTo provide a private communication and transaction network between a subset of participants
   • DTo connect the blockchain to external databases
   Reveal Solution Discussion Select an answer first
5. 34application · medium

   A consortium of insurance companies is deploying Hyperledger Fabric for claims settlement. They need to ensure that transactions are finalized in the order they were submitted and that the ordering service remains available even if one data center fails. Which ordering service configuration should they choose?

   • ADeploy a single Raft ordering node in a highly available data center.
   • BUse Kafka-based ordering with a single Kafka broker.
   • CConfigure the ordering service to use Solo consensus for simplicity.
   • DDeploy five Raft ordering nodes across three data centers.
   Reveal Solution Discussion Select an answer first
6. 35expert · hard

   A transaction in a Hyperledger Fabric network fails validation at the commit phase. The endorsement policy was satisfied, and the orderer included the transaction in a block. What is the most likely cause of the validation failure?

   • AThe read set of the transaction has changed since endorsement, causing a version conflict.
   • BThe chaincode was not installed on all peers.
   • CThe endorsement policy was not satisfied.
   • DThe orderer did not receive the transaction from the client.
   Reveal Solution Discussion Select an answer first