Blockchain
CBBF Certified Blockchain Business Foundations
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Question NO 1, What happens if a block is confirmed at the same time? A. The blocks splits into two chains. Blocks are then added to each chain until one chain becomes larger. The longest chain is then considered to be the Blockchain. B. Nodes select which block to be added to the Blockchain C. Both chains are deleted, and the unconfirmed transactions are added back to the pool D. The Orderer Block confirms which block has the most confirmed transactions E. None of the above
Answer: B www.dumpspedia.com/CBBF-dumps-questions.html
Question NO 2, One of Blockchain’s primary uses of cryptography is A. B. C. D.
.
keeping the network configuration a secret providing a public and private encryption key allowing users to communicate with each other anonymously keeping the I.P. addresses a secret
Answer: B
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Question NO 3, Once a record is stored on the Blockchain A. B. C. D.
.
the record is moved to a secure server the record is stored on a central node it can be changed by an authorized person the record is permanent
Answer: D
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Question NO 4, Why is a private Blockchain used instead of a public one? A. B. C. D.
To limit user access and permissions It is less expensive to develop It requires less mining power than a public Blockchain It requires fewer administrators to manage it
Answer: A
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Question NO 5, The cryptocurrency Bitcoin is A. B. C. D.
.
another application that runs on a Blockchain the same as all other cryptocurrencies replacing bartering in many parts of the world a replacement currency for the U.S. dollar
Answer: A
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Question NO 6, How does a private Blockchain differ from a public one? Select all that apply. A. B. C. D.
A private Blockchain does not use proof of work consensus A private Blockchain is more efficient and has faster transaction times A private Blockchain is not distributed A private Blockchain often requires the identity of users to be known
Answer: D
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Question NO 7, What does immutable mean? A. B. C. D.
Fault tolerant Unable to be changed Highly secure None of the above
Answer: B
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Question NO 8, Blockchain is always distributed. A. B.
True False
Answer: A
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Question NO 9, In which consensus algorithm is a nonce used? A. B. C. D. E.
Proof of Activity Proof of Work Proof of Stake Proof of Burn All of the above
Answer: B
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Question NO 10, Blockchain transaction code categorizes the data put into blocks. A. B.
True False
Answer: B
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CBBF Questions Answers Dumps
CBBF Braindumps
CBBF Questions Answers Dumps
CBBF Braindumps
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CBBF Questions Answers Dumps
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