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Free CBDH Exam Braindumps (page: 15)

Page 14 of 49
PDF with 195 Questions

Hyperledger can best be described as which of the following?

  1. A Newer Version of Proof of Stake
  2. An IBM owned solution that is a single blockchain
  3. A newer version of Proof of Work
  4. An effort to advance cross-industry blockchain technologies

Answer(s): D

Explanation:

An effort to advance cross-industry blockchain technologies. Hyperledger is an open source collaborative effort created to advance cross-industry blockchain technologies. It is a global collaboration, hosted by The Linux Foundation, including leaders in finance, banking, IoT, supply chain, manufacturing and technology.



In Hyperledger not all Nodes are created equal. What are the three distinct types of nodes? (Select three.)

  1. MSP Nodes
  2. Ordered Nodes
  3. Channel Node
  4. Client Nodes
  5. Peer Nodes
  6. Endorser Node

Answer(s): B,D,E

Explanation:

Client Node: That initiates the transaction 2. Peer Nodes: Commits Transaction & keeps the data in sync across the ledger 3. Ordered: They are the communication backbones and responsible for the distribution of the transactions



The Hyperledger Project consists of the following EXCEPT?

  1. Infrastructure
  2. Tools
  3. Framework
  4. Management

Answer(s): D

Explanation:

Management is not correct. The Hyperledger Project consists of the following Infrastructure - Ecosystems that accelerate open development and commercial adoption Frameworks ­ A portfolio of differentiated approaches to business blockchain frameworks developed by a growing community of communities Tools - Typically built for one framework, and through common license and community of communities approach, ported to other frameworks hyperledger.org.



What is the best description of how Kafka is utilized for consensus approach in Hyperledger Fabric?

  1. Kafka does not support crash tolerance but it does not offer protection against rogue nodes in the network.
  2. Provides Byzantine fault tolerance. Finality happens in a matter of seconds. Scale to petabytes of data, distributed across many clusters.
  3. Provides Byzantine fault tolerance. Finality happens in a matter of seconds.
  4. Permissioned voting based Leader does ordering. Only in-sync replicas can be voted as leader.

Answer(s): D

Explanation:

Kafka essentially is a distributed, horizontally-scalable, fault-tolerant, commit log. The other answers are in correct.






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