EC-Council Blockchain Fintech CertificationB|FC exam (312-82) Free Practice Test

Question 1

What type of DApp uses another blockchain such as Ethereum?

A. Type III

B. DAO

C. Pseude DApp

D. Type II

Correct Answer: D

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Question 2

What two types of transactions are there in Ethereum(pick z):

A. Message Call

B. User

C. Contract Creation

D. Contract

Correct Answer: A,C

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Question 3

Who first proposed blind signatures to build an untraceable digital currency?

A. Wei Dai

B. David Chaum

C. Nick Szabo

D. Satoshi Nakamoto

Correct Answer: B

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Question 4

Ethereum uses_____ as Proof of Work (PoW) whereas Bitcoin uses____based PoW.

A. SHAZ56 ETHASH

B. ETHASH SHA-256

C. PoW PoB

D. PoB BoW

Correct Answer: B

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Question 5

A________in a new chain and requires clients to upgrade in order to participate on the new blockchain.

A. Sharding

B. Hard fork

C. Soft fork

D. Sub chain

Correct Answer: B

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Question 6

A Type II DAPP is categorized by its______

A. Using the block chain of a type I but not the protocol

B. Using the protocol of a type II DApp

C. Using the blockchain and protocol of a type I

D. Using another blockchain such as Ethereum

Correct Answer: C

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EC-COUNCIL EC-Council Blockchain Fintech CertificationB|FC (312-82) Free Practice Test