CBBF 試験問題を無料オンラインアクセス

What is a block?

• A.All of the above
• B.A list or record of data
• C.A list or record of certificates
• D.A wallet that stores digital currency
• E.A pool of unconfirmed transactions

In which consensus algorithm is a nonce used?

• A.All of the above
• B.Proof of Work
• C.Proof of Activity
• D.Proof of Burn
• E.Proof of Stake

One of Blockchain's primary uses of cryptography is___________.

• A.providing a public and private encryption key
• B.keeping the network configuration a secret
• C.keeping the I.P. addresses a secret
• D.allowing users to communicate with each other anonymously

Blockchain is always a better alternative to a standard database.

• A.True
• B.False

Which type of data can be stored on a Blockchain?

• A.All of the above
• B.A financial transaction
• C.Romeo and Juliet: The entire play
• D.A vote cast in an election
• E.A personal medical record