BLOCKCHAINF by EXIN Valid Free Exam Practice Test

Question 1

The common safe place to store personal cryptocurrency is_____________.

A. A digital wallet B. a bank account C. in a secure database D. in a secure ledger

Correct Answer: A

Question 2

One of the big issues that new financial transaction Blockchain solutions face is____________.

A. getting banks to cooperate B. the inability to find use cases C. solving user identity D. increasing the number of transactions per second (TPS)

Correct Answer: D

Question 3

Blockchain is always distributed.

A. False B. True

Correct Answer: B

Question 4

What is the focus or primary goal of a private Blockchain? Select all that apply.

A. To create a distributed database that allows for CRUD B. To save money by eliminating intermediaries C. To provide transparency and trust for business while remaining secure D. To provide anonymity in business

Correct Answer: C

Question 5

What is a node in a Blockchain? Select all that apply.

A. A block B. A computer running on the Blockchain C. A miner D. Certificate Authority

Correct Answer: B

Question 6

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

A. All of the above B. Ethereum C. Bitcoin D. Corda E. Hyperledger

Correct Answer: B,C,E

Question 7

What is Ethereum?

A. A platform for creating decentralized applications B. Another name for Bitcoin C. Another name for Blockchain D. A currency

Correct Answer: A

Question 8

Who can read records on a public Blockchain?

A. The users with access permissions B. No one C. Only the creator D. None of the above E. Everyone on the Blockchain

Correct Answer: E

Question 9

Why is a private Blockchain used instead of a public one?

A. It requires less mining power than a public Blockchain B. It is less expensive to develop C. It requires fewer administrators to manage it D. To limit user access and permissions

Correct Answer: D

EXIN Blockchain Foundation - BLOCKCHAINF Exam Practice Test