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CBBF Certified Blockchain Business Foundations Questions and Answers

Questions 4

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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Questions 5

Why is Blockchain important?

Options:

A.

It allows for a secure, global, and peer to peer record of data

B.

It provides anonymity when making transactions

C.

It is a free, trusted bank

D.

It replaces all ledgers

E.

All of the above

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Questions 6

Smart Contracts DO NOT provide_______________.

Options:

A.

Authority

B.

Anonymity

C.

Efficiency

D.

Accuracy

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Questions 7

Which item(s) make up a block header?

Options:

A.

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

B.

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

C.

The time stamp of the block and the genesis block hash

D.

The hash of the previous block

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Questions 8

What do consensus methods achieve?

Options:

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.

C.

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

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Questions 9

How do consensus algorithms like Proof of Work or Proof of Stake incentivize miners to participate?

Options:

A.

By paying miners with U.S. dollars

B.

By paying the miners with cryptocurrency

C.

By placing their name on the Blockchain

D.

By not charging users monthly subscription costs

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Questions 10

How much data can be represented by the data hash of a block?

Options:

A.

a maximum of 20 MB

B.

virtually any amount

C.

not to exceed 100k bytes

D.

the hash is only a memory location

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Questions 11

Blockchains work best when they are____________________.

Options:

A.

combined with other technologies

B.

used for financial applications

C.

used alone

D.

used as an alternative to a database

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Questions 12

The transaction has contained in a block is the ___________.

Options:

A.

Metadata used for ID

B.

Same as the user private key

C.

Digital fingerprint of the block

D.

Unique number to show it’s a Bitcoin block

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Exam Code: CBBF
Exam Name: Certified Blockchain Business Foundations
Last Update: Mar 28, 2024
Questions: 84
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