Free CBSA Exam Braindumps (page: 13)

Page 13 of 58

Vitalik Buterin referred to this concept of trust beyond just currency as ‘smart contracts’ or even blockchain- based “decentralized autonomous organizations” (DAOs).
Ethereum is considered Blockchain version?

  1. 2.0
  2. 4.0
  3. 3.0
  4. 1.0

Answer(s): A

Explanation:

2.0 Ethereum came after Bitcoin. Vitalik Buterin, one of the writers for Bitcoin Magazine that tried to popularize the technology in the early 2012. He witnessed first-hand the problems in the Bitcoin implementation like wasteful mining hardware, centralized mining community, and lack of network scalability. In 2013, the then 19 year old Vitalik described his vision for Ethereum by extending the concept of Bitcoin beyond just currency. He proposed a platform where developer community and entrepreneurs to build distributed application (Dapps) for the Blockchain network. He referred to this concept of trust beyond just currency as ‘smart contracts’ or even blockchain-based “decentralized autonomous organizations” (DAOs).


Reference:

https://hackernoon.com/a-brief-history-in-the-evolution-of-blockchain-technology-platforms-1bb2bad8960a



Ethereum is a programmable blockchain. What is one of the following reasons is NOT correct regarding Ethereum programmability?

  1. Allows users to create their own operations on any complexity
  2. It serves as a platform for many different types of decentralized blockchain applications
  3. Does not allow users to create their own operations of any complexity
  4. Ethereum also includes a peer-to-peer network protocol

Answer(s): C



The block creation time is set to how many minutes in Bitcoin?

  1. 1
  2. 10
  3. 120
  4. 100
  5. 15
  6. 150

Answer(s): B

Explanation:

Remember, that the block creation time is set to 10 minutes and this can never change. So after a fixed time of approximately 2 weeks or exactly 2016 blocks the difficulty is re-adjusted. Increase in difficulty means target decreases.


Reference:

https://medium.com/all-things-ledger/decoding-the-enigma-of-bitcoin-mining-f8b2697bc4e2



In Hyperledger Fabric chaincode runs in a secured Docker container isolated from the endorsing peer process?

  1. TRUE
  2. FALSE

Answer(s): A


Reference:

http://hyperledger-fabric.readthedocs.io/en/release-1.1/chaincode.html



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Ardi commented on November 14, 2024
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