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Free CBDH Exam Braindumps (page: 12)

Page 11 of 49
PDF with 195 Questions

Hyperledger Fabric Consensus is planned out into 3 phases. Which one is NOT a phase?

  1. Ordering
  2. Endorsement
  3. Voting
  4. Validation

Answer(s): C



Hyperledger Fabric essentially implements a private validator network protocol.
Which of the following statements are true?

  1. None of the entities in a network must register with membership services to obtain with access and transaction authority on the network.
  2. Selected entities in a network must register with membership services to obtain an identity with access and transaction authority on the network.
  3. All the entities in a network must register with membership services to obtain an identity with access and transaction authority in the network.
  4. Selected entities in a network must register with Reputation Manager to obtain an identity with access and transaction authority on the network.

Answer(s): C

Explanation:

Hyperledger is a private validator network protocol. All the entities in a network must register with membership services to obtain an identity with access and transaction authority on the network. Validators determine the level of permissions required to transact. The network setup also defines the network as permissive, allowing the ease of access. It supports for rapid and high adoption for a more controlled and restrictive environment.



Which of the following provides Immutability?

  1. Assurance that a transaction cannot be altered
  2. Network configuration cannot be changed
  3. Guarantee that participants will never put bad information on the Blockchain
  4. Network nodes will never fail

Answer(s): B



Blockchain services in Hyperledger Fabric manages the distributed ledger through a peer to peer protocol that is built on ______?

  1. HTTP/2
  2. TLS and SSL
  3. TLS
  4. HTTP/1
  5. SSL

Answer(s): A

Explanation:

Blockchain services manages the distributed ledger through a peer to peer protocol that is built on HTTP/2. The optimized data structure provides efficient schemes for maintaining the world state (the state of all transactions on the Blockchain) replicated at many participants.






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