Exin BLOCKCHAINF Exam Questions Instant Access

Question 1

A smart contract on the Blockchain provides __________. Select all that apply

ASpecific actions to be taken on events or transactions

BThe same contracts a bank provides

CA set of business conditions that must be met

DBetter anonymity of those making transactions

Answer : C

Question 2

In 2009, Bitcoin was created by_________.

AVitalikButerin

BSatoshi Nakamoto

CHyperledger Foundation

DA Banking Consortium

Answer : B

Question 3

____________ledger technology is referred to as DLT.

ADistributed

BDecentralized

CDatabase

DAll of the above

ENone of the above

Answer : A

Question 4

How is Blockchain benefiting voting?

ABy revealing the identity of each voter and who or what they voted for

BBy controlling who gets to vote

CBy only allowing a certain number of votes per person

DBy allowing voters to trust their vote has been counted

Answer : D

Question 5

Once a record has been added to a Blockchain it can be altered.

ATrue

BFalse

Answer : B

Question 6

One of Blockchain's primary uses of cryptography is___________.

Akeeping the network configuration a secret

Bproviding a public and private encryption key

Callowing users to communicate with each other anonymously

Dkeeping the I.P. addresses a secret

Answer : B

Question 7

The transaction hash contained in a block is the______________.

Aunique number to show it's a Bitcoin block

Bsame as the user private key

Cdigital fingerprint of the block

Dmetadata used for ID

Answer : C

Exin Blockchain Foundation BLOCKCHAINF Exam Questions