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  • Exam Name: Certified Blockchain Business Foundations
  • Last Update: May 6, 2024
  • Questions and Answers: 84
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CBBF Practice Exam Questions with Answers Certified Blockchain Business Foundations Certification

Question # 6

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

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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Question # 7

A smart contract on the Blockchain provides __________. Select all that apply

A.

Specific actions to be taken on events or transactions

B.

The same contracts a bank provides

C.

A set of business conditions that must be met

D.

Better anonymity of those making transactions

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Question # 8

Blockchain applications can provide____________________.

A.

the elimination of intermediaries

B.

building more trust between trusted parties

C.

collaboration between trusted parties

D.

better cooperation between banks

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Question # 9

One of the great advantages of creating a new Blockchain solution is__________.

A.

the ability to completely customize a unique business solution

B.

combining Blockchain technologies to fit your business solution

C.

merging your existing network technology into a new Blockchain solution

D.

not being limited to a conventional business solution or restriction

E.

All of the above

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Question # 10

Which of the following problems did Blockchain solve for cryptocurrencies?

A.

Anonymity

B.

Double Spending

C.

Destination of currencies

D.

None of the above

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Question # 11

Blockchain does not provide?

A.

Security

B.

Immutability

C.

Fault tolerance

D.

Fact Transaction time

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Question # 12

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

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

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