Blockchain cbbf online test

BTA Certified Blockchain Business Foundations Exam

What students need to know about the cbbf exam

  • Total 84 Questions & Answers

Question 1

What does a Merkle tree provide?

  • A. Efficient block lookups and protection against forgery
  • B. Anonymity and transparency
  • C. A Turing complete distributed network
  • D. A way to deploy smart contracts onto the Blockchain
  • E. All of the above
Answer:

A

Discussions

Question 2

What does P2P stand for?

  • A. Person to Person
  • B. Public to Person
  • C. Peer to Peer
  • D. Product to Person
  • E. None of the above
Answer:

C

Discussions

Question 3

Blockchain is always decentralized.

  • A. True
  • B. False
Answer:

A

Discussions

Question 4

What is Ethereum?

  • A. Another name for Bitcoin
  • B. A platform for creating decentralized applications
  • C. A currency
  • D. Another name for Blockchain
Answer:

B

Discussions

Question 5

Why is Hyperledger a good business solution over other Blockchains?

  • A. Always permissioned and private
  • B. It can employ smart contracts
  • C. Modular design allowing for flexibility in solution
  • D. Multiple consensus methods can be chosen for use
  • E. All the above
Answer:

D

Discussions

Question 6

Transparency allows_____________.

  • A. a trustless system where users can be certain of a result
  • B. easy iteration through the Blockchain
  • C. Records on the Blockchain to never be changed
  • D. users on the Blockchain to change data on the Blockchain
Answer:

A

Discussions

Question 7

Blockchain is always a better alternative to a standard database.

  • A. True
  • B. False
Answer:

B

Discussions

Question 8

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

  • A. A private Blockchain does not use proof of work consensus
  • B. A private Blockchain is more efficient and has faster transaction times
  • C. A private Blockchain is not distributed
  • D. A private Blockchain often requires the identity of users to be known
Answer:

D

Discussions

Question 9

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

  • A. To limit user access and permissions
  • B. It is less expensive to develop
  • C. It requires less mining power than a public Blockchain
  • D. It requires fewer administrators to manage it
Answer:

A

Discussions

Question 10

A distributed network is always decentralized.

  • A. True
  • B. False
Answer:

B

Discussions
To page 2