Blockchain CBBF Practice Test - Questions Answers, Page 3
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Once a record is stored on the Blockchain ____________.
A.
the record is moved to a secure server
B.
the record is stored on a central node
C.
it can be changed by an authorized person
D.
the record is permanent
An asset is defined as ____________.
A.
all records on a database
B.
any data on the ledger
C.
anything of value requiring accountability of ownership
D.
any record on a private network
One solution to increasing Blockchain Transactions Per Second (TPS) is________.
A.
adding more network nodes
B.
off-chain transactions
C.
using faster microprocessors
D.
fewer regulations
Blockchain applications can provide____________________.
A.
the elimination of intermediaries
B.
building more trust between trusted parties
C.
collaboration between trusted parties
D.
better cooperation between banks
A Blockchain does NOT provide which attribute?
A.
Security through distribution
B.
Anonymity through cryptography
C.
Fault Tolerance through distribution
D.
Immutability through hashing
____________ledger technology is referred to as DLT.
A.
Distributed
B.
Decentralized
C.
Database
D.
All of the above
E.
None of the above
In a private business Blockchain, transactions are endorsed by______________.
A.
only relevant business participants
B.
only the smart contract developer
C.
all the nodes on the Blockchain
D.
all participants with access to the network
Blockchain allows for which of the following?
A.
Anonymous Cryptography
B.
Trust in central authorities
C.
A fast and efficient ledger
D.
A peer to peer ledger without the need of a third party
Smart Contracts DO NOT provide_______________.
A.
Authority
B.
Anonymity
C.
Efficiency
D.
Accuracy
The transaction hash contained in a block is the______________.
A.
unique number to show it's a Bitcoin block
B.
same as the user private key
C.
digital fingerprint of the block
D.
metadata used for ID
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