Hyperledger Fabric Architecture and Network Creation BDC Practice Questions (Page 11)

Questions 51–55

1. 51application · medium

   An administrator is configuring a Hyperledger Fabric network for a consortium. Each organization has its own certificate authority. The administrator needs to ensure that only peers and clients belonging to the consortium organizations can submit transactions and that endorsement policies can identify which organization endorsed a proposal. Which component is essential for this?

   • AA public key infrastructure (PKI) that uses a single root certificate for all organizations.
   • BA local MSP for each organization that maps certificates to organizational roles and is referenced in channel configuration.
   • CA shared Membership Service Provider (MSP) for the entire network that issues all identities.
   • DA channel-wide access control list that specifies which certificates can submit transactions.
   Reveal Solution Discussion Select an answer first
2. 52foundation · easy

   Which component in Hyperledger Fabric issues the digital certificates that are used to identify participants?

   • AOrdering service
   • BCertificate Authority (CA)
   • CChaincode
   • DPeer node
   Reveal Solution Discussion Select an answer first
4. 53application · medium

   A consortium runs a Fabric network for supply-chain tracking. Two manufacturers share a channel for shipment data, but each also has a separate channel for internal pricing. A peer belonging to Manufacturer A is joined to both channels. When a transaction is submitted on the pricing channel, what must be true for that peer to commit the block?

   • AThe peer must be an anchor peer on the pricing channel and must receive the block from the ordering service.
   • BThe peer must be added to the pricing channel's MSP and must also be a member of the shipment channel.
   • CThe peer must have the chaincode installed and the transaction must satisfy the endorsement policy of the pricing channel.
   • DThe peer must endorse the transaction itself before it can commit the block.
   Reveal Solution Discussion Select an answer first
5. 54foundation · easy

   What is the purpose of the CLI container in a Docker Compose setup for Hyperledger Fabric?

   • ATo run the ordering service
   • BTo store the blockchain ledger
   • CTo execute chaincode
   • DTo provide a command-line interface for administrative tasks
   Reveal Solution Discussion Select an answer first
6. 55foundation · easy

   In a Hyperledger Fabric network, what is the role of the MSP directory?

   • ATo hold the cryptographic material that defines an organization's identity
   • BTo store the blockchain ledger
   • CTo store the chaincode source code
   • DTo contain the configuration files for the network
   Reveal Solution Discussion Select an answer first