CBBF Online Practice Questions and Answers
What does P2P stand for?
A. Person to Person
B. Public to Person
C. Peer to Peer
D. Product to Person
E. None of the above
What is a Blockchain?
A. A digital currency
B. An unchangeable record
C. A database of usable secret data
D. A Smart Contract
E. All of the above
Cryptocurrencies are a security regulated by the Securities and Exchange Commission.
A. True
B. False
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
One of Blockchain's primary uses of cryptography is___________.
A. keeping the network configuration a secret
B. providing a public and private encryption key
C. allowing users to communicate with each other anonymously
D. keeping the I.P. addresses a secret
The height of a block is the______________ in the chain between it and the genesis block.
A. metadata that is
B. number of blocks
C. Merkle tree hash
D. size of the memory cache
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
Where is a Blockchain's central server?
A. Where the Blockchain is created
B. Located with the owner of the server
C. There is no central server, it is distributed
D. Orderer Node
E. None of the above