Blockchain Certified Blockchain Business Foundations - CBBF Exam Practice Test

A. the record is permanent

B. it can be changed by an authorized person

C. the record is moved to a secure server

D. the record is stored on a central node

A. None of the above

B. Destination of currencies

C. Double Spending

D. Anonymity

A. True

B. False

A. another application that runs on a Blockchain

B. replacing bartering in many parts of the world

C. a replacement currency for the U.S. dollar

D. the same as all other cryptocurrencies

A. It confirms that all nodes on the network are legitimate.

B. None of the above

C. The highest level of security in a database by ensuring 51% agreement of nodes on the network.

D. The most efficient way of recording a transaction in any database.

E. Anonymity in a peer to peer network

A. True

B. False

A. Trust in central authorities

B. Anonymous Cryptography

C. A peer to peer ledger without the need of a third party

D. A fast and efficient ledger

A. food traceability

B. medical records

C. manufacturing supply chain

D. All of the above

E. financial transactions

A. Certificate Authority

B. A miner

C. A computer running on the Blockchain

D. A block