Exam 1: Certified Blockchain Business Foundations

A) Anonymity in a peer to peer network
B) The highest level of security in a database by ensuring 51% agreement of nodes on the network.
C) The most efficient way of recording a transaction in any database.
D) It confirms that all nodes on the network are legitimate.
E) None of the above

Correct Answer

verified

Show Answer

A) determines which node stores the assets
B) records the transfer of an asset between participants
C) proves ownership on the Blockchain
D) provides privacy to users on the Blockchain

Correct Answer

verified

Show Answer

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

verified

Show Answer

Correct Answer

verified

False

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

verified

Show Answer

A) the latest banking software
B) the same network S/W as the central bank
C) the latest router S/W and network H/W
D) A combination of older technology

Correct Answer

verified

Show Answer

A) By paying miners with U.S. dollars
B) By paying the miners with cryptocurrency
C) By placing their name on the Blockchain
D) By not charging users monthly subscription costs

Correct Answer

verified

Show Answer

A) A decentralized application
B) A dishonest application
C) A decoded application
D) A distributed application

Correct Answer

verified

Show Answer

Correct Answer

verified

Show Answer

A) A digital currency
B) An unchangeable record
C) A database of usable secret data
D) A Smart Contract
E) All of the above

Correct Answer

verified

Show Answer

A) Through Merkle trees
B) Through public/private key cryptography
C) Through consensus algorithms such as Proof of Work
D) By publishing only the block address
E) None of the above

Correct Answer

verified

Show Answer

A) High cost of developers
B) Changing technology and the lack of a stable standard
C) Its use of cryptography
D) Its use of new applications

Correct Answer

verified

Show Answer

A) Hyperledger
B) Corda
C) Bitcoin
D) Ethereum
E) All of the above

Correct Answer

verified

Show Answer

A) 24K per second
B) 175K per second
C) Only limited to the number of nodes on the network
D) 7-15 per second
E) None of the above

Correct Answer

verified

D

A) A one-way function that converts input to a unique string output
B) A function that stores data behind a key
C) A two-way function used for condensing information
D) The block-ID of the block
E) All the above

Correct Answer

verified

Show Answer

Correct Answer

verified

Show Answer

A) Voting
B) A video sharing website
C) Medical records
D) Identity management
E) All of the above

Correct Answer

verified

Show Answer

A) increasing the number of transactions per second (TPS)
B) the inability to find use cases
C) solving user identity
D) getting banks to cooperate

Correct Answer

verified

Show Answer