EXIN Blockchain Foundation BLOCKCHAINF Dumps

dumps2023-04-07T09:50:10+08:00

To pass EXIN Blockchain Foundation BLOCKCHAINF exam easily, the related BLOCKCHAINF exam information is useful in your preparation. There are 40 multiple-choice questions in the real BLOCKCHAINF exam, and you have 1 hour to answer all the questions. The required pass mark is 65%. The test languages are English, Portuguese, Dutch, Chinese, French, German. We have cracked the latest EXIN Blockchain Foundation BLOCKCHAINF dumps for you to pass. Free EXIN Blockchain Foundation BLOCKCHAINF exam dumps are below.

Page 1 of 3

1. What does a Merkle tree provide?

Efficient block lookups and protection against forgery

Anonymity and transparency

A Turing complete distributed network

A way to deploy smart contracts onto the Blockchain

All of the above

2. What does P2P stand for?

Person to Person

Public to Person

Peer to Peer

Product to Person

None of the above

3. Blockchain is always decentralized.

True

False

4. What is Ethereum?

Another name for Bitcoin

A platform for creating decentralized applications

A currency

Another name for Blockchain

5. Why is Hyperledger a good business solution over other Blockchains?

Always permissioned and private

It can employ smart contracts

Modular design allowing for flexibility in solution

Multiple consensus methods can be chosen for use

All the above

6. Transparency allows __________ .

a trustless system where users can be certain of a result

easy iteration through the Blockchain

Records on the Blockchain to never be changed

users on the Blockchain to change data on the Blockchain

7. Blockchain is always a better alternative to a standard database.

True

False

8. How does a private Blockchain differ from a public one? Select all that apply.

A private Blockchain does not use proof of work consensus

A private Blockchain is more efficient and has faster transaction times

A private Blockchain is not distributed

A private Blockchain often requires the identity of users to be known

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

To limit user access and permissions

It is less expensive to develop

It requires less mining power than a public Blockchain

It requires fewer administrators to manage it

10. A distributed network is always decentralized.

True

False

Page 2 of 3

11. Blockchains work best when they are __________ .

combined with other technologies

used for financial applications

used alone

used as an alternative to a database

12. What is a hash function?

A one-way function that converts input to a unique string output

A function that stores data behind a key

A two-way function used for condensing information

The block-ID of the block

All the above

13. Blockchains are being implemented in the food supply chain because __________ .

consumers demand to know where their food comes from

it allows farm to table accountability for safety

they have the potential to provide fast, specific supplier data

it prevents food waste if a food contamination problem occurs

All of the above

14. Which of the following are practical use cases for Blockchain?

Voting

A video sharing website

Medical records

Identity management

All of the above

15. Which item(s) make up a block header?

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

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

The time stamp of the block and the genesis block hash

The hash of the previous block

16. How is Blockchain benefiting voting?

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

By controlling who gets to vote

By only allowing a certain number of votes per person

By allowing voters to trust their vote has been counted

17. Which of the following statements sums up the Proof of Work consensus process?

Miners complete to find a nonce results in a hash that starts with a predetermined number of leading zeros.

Miners put up a stake. A miner is then selected based on stake value to add a new block to the chain. If a miner adds an invalid block to the chain, that miner loses their stake.

All nodes agree on the data of the transaction.

Miners send assets to an inactive address. This process selects the next owner of a block.

18. The Ethereum Blockchain provides a/an virtual machine.

Windows compatible

energy efficient

Linux compatible

turing-complete

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

Hyperledger

Corda

Bitcoin

Ethereum

All of the above

20. One of the big issues that new financial transaction Blockchain solutions face is __________ .

increasing the number of transactions per second (TPS)

the inability to find use cases

solving user identity

getting banks to cooperate

Page 3 of 3

21. Once a record is stored on the Blockchain __________ .

the record is moved to a secure server

the record is stored on a central node

it can be changed by an authorized person

the record is permanent

22. An asset is defined as __________ .

all records on a database

any data on the ledger

anything of value requiring accountability of ownership

any record on a private network

23. One solution to increasing Blockchain Transactions Per Second (TPS) is __________ .

adding more network nodes

off-chain transactions

using faster microprocessors

fewer regulations

24. Blockchain applications can provide __________ .

the elimination of intermediaries

building more trust between trusted parties

collaboration between trusted parties

better cooperation between banks

25. A Blockchain does NOT provide which attribute?

Security through distribution

Anonymity through cryptography

Fault Tolerance through distribution

Immutability through hashing

26. ledger technology is referred to as DLT.

Distributed

Decentralized

Database

All of the above

None of the above

EXIN Blockchain Foundation BLOCKCHAINF Dumps

EXIN Blockchain Foundation BLOCKCHAINF Dumps

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