Blockchain Blockchain Other Certification CBBF Questions & Answers

• Question 1:

  The transaction has contained in a block is the ___________.

  A. Metadata used for ID

  B. Same as the user private key

  C. Digital fingerprint of the block

  D. Unique number to show it's a Bitcoin block

  Correct Answer: A

• Question 2:

  The Corda distributed ledger is designed for _______________.

  A. Any business transactions

  B. International shipping

  C. The transportation industry

  D. Financial transactions

  Correct Answer: D

• Question 3:

  A smart contract on the Blockchain provides __________. Select all that apply.

  A. Specific actions to be taken on events or transactions

  B. The same contracts a bank provides

  C. A set of business conditions that must be met

  D. Better anonymity of those making transactions

  Correct Answer: C

  Reference: https://www.investopedia.com/terms/s/smart-contracts.asp

• Question 4:

  A Blockchain is a/an _____________ shared ledger distributed system.

  A. Anonymous

  B. Newer version of a

  C. Append-only

  D. Confidential

  Correct Answer: A

  Reference: https://www.investopedia.com/terms/b/blockchain.asp

• Question 5:

  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

  Correct Answer: D

  Reference: https://www.comparitech.com/crypto/cryptography-blockchain/

• Question 6:

  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

  Correct Answer: A

• Question 7:

  Why is Blockchain important?

  A. It allows for a secure, global, and peer to peer record of data

  B. It provides anonymity when making transactions

  C. It is a free, trusted bank

  D. It replaces all ledgers

  E. All of the above

  Correct Answer: B

• Question 8:

  What is a block?

  A. A list or record of data

  B. A wallet that stores digital currency

  C. A pool of unconfirmed transactions

  D. A list or record of certificates

  E. All of the above

  Correct Answer: A

  Reference: https://www.investopedia.com/terms/b/block-bitcoin-block.asp

• Question 9:

  Cryptocurrencies have all the same characteristics as fiat currencies?

  A. True

  B. False

  Correct Answer: B

• Question 10:

  What is a private Blockchain used instead of a public one?

  A. It is less expensive to develop

  B. It requires less mining power that a public Blockchain

  C. To limit user access and permissions

  D. It requires fewer administrators to manage it

  Correct Answer: C