Blockchain CBBF Exam Questions Instant Access

Question 1

Which item(s) make up a block header?

AThe hash of the Merkle root and the header of the previous block

BThe hash of every transaction in a specific block and the next block

CThe time stamp of the block and the genesis block hash

DThe hash of the previous block

Answer : D

Question 2

Blockchain allows for which of the following?

AAnonymous Cryptography

BTrust in central authorities

CA fast and efficient ledger

DA peer to peer ledger without the need of a third party

Answer : D

Question 3

Blockchains work best when they are____________________.

Acombined with other technologies

Bused for financial applications

Cused alone

Dused as an alternative to a database

Answer : B

Question 4

Blockchain is the same as Bitcoin.

ATrue

BFalse

Answer : B

Question 5

What is Ethereum?

AAnother name for Bitcoin

BA platform for creating decentralized applications

CA currency

DAnother name for Blockchain

Answer : B

Question 6

Which Blockchain protocol uses Proof of Work Consensus? Select all that apply

AHyperledger

BCorda

CBitcoin

DEthereum

EAll of the above

Answer : A, C, D

Question 7

Blockchain does not provide?

ASecurity

BImmutability

CFault tolerance

DFact Transaction time

Answer : D

Blockchain BTA Certified Blockchain Business Foundations CBBF Exam Questions