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Viewing questions 11-20 out of questions
Questions # 11:

A Blockchain provides______________.

Options:
A.

true information by all parties involved

B.

a trusted transaction between untrusted parties

C.

the easiest way to conduct international transactions

D.

only trusted banks for conducting transactions

Questions # 12:

Blockchain is always distributed.

Options:
A.

True

B.

False

Questions # 13:

Smart Contracts DO NOT provide_______________.

Options:
A.

Authority

B.

Anonymity

C.

Efficiency

D.

Accuracy

Questions # 14:

What is a block?

Options:
A.

A list or record of data

B.

A wallet that stores digital currency

C.

A pool of unconfirmed transactions

D.

A list or record of certificates

E.

All of the above

Questions # 15:

Which of these applications would be suited for a private Blockchain?

Options:
A.

financial transactions

B.

manufacturing supply chain

C.

medical records

D.

food traceability

E.

All of the above

Questions # 16:

Where is a Blockchain's central server?

Options:
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

Questions # 17:

What happens if a block is confirmed at the same time?

Options:
A.

The blocks splits into two chains. Blocks are then added to each chain until one chain becomes larger. The longest chain is then considered to be the Blockchain.

B.

Nodes select which block to be added to the Blockchain

C.

Both chains are deleted, and the unconfirmed transactions are added back to the pool

D.

The Orderer Block confirms which block has the most confirmed transactions

E.

None of the above

Questions # 18:

The common safe place to store personal cryptocurrency is_____________.

Options:
A.

A digital wallet

B.

in a secure ledger

C.

a bank account

D.

in a secure database

Questions # 19:

Which type of data can be stored on a Blockchain?

Options:
A.

A financial transaction

B.

A vote cast in an election

C.

A personal medical record

D.

Romeo and Juliet: The entire play

E.

All of the above

Questions # 20:

Which of the following are practical use cases for Blockchain?

Options:
A.

Voting

B.

A video sharing website

C.

Medical records

D.

Identity management

E.

All of the above

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