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Free CBDH Exam Braindumps

Chaincode with Hyperledger Fabric can be written in what development languages? Select All that apply.

  1. Node.js
  2. Go
  3. Java

Answer(s): A,B,C



The advantages of using Hyperledger Fabric include which of the following?

  1. Having a modular component structure
  2. Having a native token
  3. Having a POW mining algorithm
  4. Ability to use your programs from SQL

Answer(s): A

Explanation:

Hyperledger Fabric has a modular component structure and an extensible plug and play framework



In regards to Fabric blockchain blocks. The structure of a "block header" consists of three sections when it is written. (Select three.)

  1. Block Data
  2. Block Number
  3. Current Block Hash
  4. Previous Block Hash
  5. Block Metadata
  6. Signature

Answer(s): B,C,D

Explanation:

Let's have a closer look at the structure of a block. It consists of three sections Block Header This section comprises three fields, written when a block is created. Block number: An integer starting at 0 (the genesis block), and increased by 1 for every new block appended to the blockchain. Current Block Hash: The hash of all the transactions contained in the current block. Previous Block Hash: A copy of the hash from the previous block in the blockchain.



Hyperledger blockchain frameworks reach consensus by performing two separate activities.
What are the two activities? (Select two.)

  1. Updating Transactions
  2. Validating Transactions
  3. Ordering Transactions
  4. Writing Transactions
  5. Packing Transactions

Answer(s): B,C

Explanation:

Hyperledger business blockchain frameworks reach consensus by performing two separate activities:
1. Ordering of transactions 2. Validating transactions by logically separating these activities, we ensure that any Hyperledger framework can work with any Hyperledger consensus module.






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