CBBF Online Practice Questions and Answers

Blockchain transaction code categorizes the data put into blocks.

A. True

B. False

Blockchain is always distributed.

A. True

B. False

What does immutable mean?

A. Fault tolerant

B. Unable to be changed

C. Highly secure

D. None of the above

How does Blockchain use hashing? Select all that apply.

A. To condense information making it easy to compare large amounts of data.

B. To chain together blocks

C. To provide anonymity with public key cryptography

D. To select which node to use

E. All of the above

Which type of data can be stored on a Blockchain?

A. A financial transaction

B. A vote cast in an election

C. A personal medical record

D. Romeo and Juliet: The entire play

E. All of the above

Blockchains are being implemented in the food supply chain because ____________.

A. Consumers demand to know where their food comes from

B. It allows farm to table accountability for safety

C. They have the potential to provide fast, specific supplier data

D. It prevents food waste if a food contamination problem occurs.

E. All of the above

Who governs a Blockchain?

A. The users

B. The architects

C. The creator of the Blockchain

D. The developers

Blockchain work best when they are _____________ .

A. Combined with other technologies

B. Used for financial applications

C. Used alone

D. Used as an alternative to a database

One of Blockchain's primary uses of cryptography is ___________.

A. Keeping the IP addresses a secret

B. Allowing users to communicate with each other anonymously

C. Keeping the network configuration a secret.

D. Providing a public and private encryption key

The Corda distributed ledger is designed for _______________.

A. Any business transactions

B. International shipping

C. The transportation industry

D. Financial transactions