CBBF

CBBF practice questions, page 2 of 4, with answer review and explanations.

Question 6

Transparency allows_____________.

  1. a trustless system where users can be certain of a result
  2. easy iteration through the Blockchain
  3. Records on the Blockchain to never be changed
  4. users on the Blockchain to change data on the Blockchain

Question 7

Blockchain is always a better alternative to a standard database.

  1. True
  2. False

Question 8

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

  1. A private Blockchain does not use proof of work consensus
  2. A private Blockchain is more efficient and has faster transaction times
  3. A private Blockchain is not distributed
  4. A private Blockchain often requires the identity of users to be known

Question 9

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

  1. To limit user access and permissions
  2. It is less expensive to develop
  3. It requires less mining power than a public Blockchain
  4. It requires fewer administrators to manage it

Question 10

A distributed network is always decentralized.

  1. True
  2. False