Online Access Free CBBF Practice Test

Which type of data can be stored on a Blockchain?

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

The transaction has contained in a block is the ___________.

• A.Metadata used for ID
• B.Unique number to show it's a Bitcoin block
• C.Digital fingerprint of the block
• D.Same as the user private key

What does immutable mean?

• A.Highly secure
• B.Fault tolerant
• C.Unable to be changed
• D.None of the above

A distributed network is always decentralized.

• A.True
• B.False

The Blockchain ledger is commonly referred to as___________.

• A.a database ledger
• B.a double-entry ledger
• C.a genesis block
• D.a triple-entry ledger