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blockchain CBBF

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Exam contains 81 questions

Page 12 of 14

Question 67 🔥

Transactions per second (TPS) for a Proof-of-Work Blockchain are approximately?

Which database solution meets these requirements?

A. 24K per second

B. 175K per second

C. Only limited to the number of nodes on the network

D. 7-15 per second

E. None of the above

Discussion of the question

Question 68 🔥

Blockchains are being implemented in the food supply chain because ____________.

Which database solution meets these requirements?

A. Consumers demand to know where their food comes from

B. It allows farm to table accountability for safety

C. They have the potential to provide fast, specific supplier data

D. It prevents food waste if a food contamination problem occurs.

E. All of the above

Discussion of the question

Question 69 🔥

Who governs a Blockchain?

Which database solution meets these requirements?

A. The users

B. The architects

C. The creator of the Blockchain

D. The developers

Discussion of the question

Question 70 🔥

What do consensus methods achieve?

Which database solution meets these requirements?

A. Anonymity in a peer to peer network

B. The highest level of security in a database by ensuring 51% agreement of nodes on the network. The most efficient way of recording a transaction in any database.

D. It confirms that all nodes on the network are legitimate.

E. None of the above

Discussion of the question

Question 71 🔥

Where is a Blockchain's central server?

Which database solution meets these requirements?

A. Where the Blockchain is created

B. Located with the owner of the server

C. There is no central server, it is distributed

D. Orderer Node

E. None of the above

Discussion of the question