How would a developer make a change to Blockchain protocol?
A. There are no restrictions, a developer could just change the code
B. A developer would need to initiate a hard fork
C. change the orderer configuration
D. There is no way to change Blockchain protocol
E. None of the above
正解:D
質問 2:
Blockchain work best when they are _____________ .
A. Used as an alternative to a database
B. Combined with other technologies
C. Used alone
D. Used for financial applications
正解:B
質問 3:
A Blockchain does NOT provide which attribute?
A. Fault Tolerance through distribution
B. Anonymity through cryptography
C. Security through distribution
D. Immutability through hashing
正解:B
質問 4:
How is Blockchain benefiting voting?
A. By allowing voters to trust their vote has been counted
B. By controlling who gets to vote
C. By revealing the identity of each voter and who or what they voted for
D. By only allowing a certain number of votes per person
正解:A
質問 5:
What is a node in a Blockchain? Select all that apply.
A. A block
B. A computer running on the Blockchain
C. A miner
D. Certificate Authority
正解:B
質問 6:
How does Blockchain use hashing? Select all that apply.
A. All of the above
B. To provide anonymity with public key cryptography
C. To select which node to use
D. To chain together blocks
E. To condense information making it easy to compare large amounts of data.
正解:C,D
質問 7:
Which Blockchain protocol uses Proof of Work Consensus? Select all that apply
A. All of the above
B. Bitcoin
C. Hyperledger
D. Ethereum
E. Corda
正解:B,C,D
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宫本** -
昨日、CBBF試験に参加しました。幸いにして、合格しました。CBBF問題集を感謝します。