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What is a blockchain

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Reference no: EM132160450

1- What is a blockchain?

 

  •  A. One type of cryptocurrency
  •  B. A decentralized ledger system
  •  C. A distributed ledger on a peer to peer network
  •  D. A centralized ledger system
  •  E. A trading technology

 

2- What does the block in the blockchain consist of?

 

A. Distributed ledger 

 

B. Transaction data 

 

C. A Hash point 

 

D. Bitcoin 

 

E. Smart contract 

 

F. A Timestamp

 

3- What is not a ledger type considered in Blockchain?

 

  •  A. Distributed Ledger
  •  B. Decentralized ledger
  •  C. Centralized ledger
  •  D. None of these

 

4- Where can the bitcoin central server be located?

 

  •  A. One of data centers
  •  B. Undisclosed Location
  •  C. Government building
  •  D. None of these
  •  E. In Kubernetes cluster

 

5- What does a ledger in Blockchain does?

 

  •  A. Identification of objects owned
  •  B. Identification of money type
  •  C. Mapping between owner and object
  •  D. Identification of owners

 

Reference no: EM132160450

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