Q1. If a hard fork occurs on a public blockchain software and 20 running nodes choose not to update, what can be said about those 20 nodes?
A.They are effectually now operating on a different blockchain network than the nodes that updated
B. They are considered ''out of compliance''
C. They are flagged for removal from the network and can no longer collect fees
D. They are unable to achieve consensus
Correct Answer: A
Q2. Which of these desired outcomes is best obtained through a Blockchain solution?
A.Pending financial transactions need to be stored until completed and then should be deleted
B. A website that shows current data from various stock markets
C. A mobile app that displays information about today's weather
D. None of the above
Correct Answer: B
Q3. If a hard fork occurs on a public blockchain software and 20 running nodes choose not to update, what can be said about those 20 nodes?
A.They are effectually now operating on a different blockchain network than the nodes that updated
B. They are considered ''out of compliance''
C. They are flagged for removal from the network and can no longer collect fees
D. They are unable to achieve consensus
Correct Answer: A
Q4. Which one of the following is true concerning Hyperledger Fabric?
A.Cryptocurrency cannot be created or used
B. because it is permissioned, companies cannot launch products on it
C. Because it is permissioned, it is impossible to display data to the general public
D. None of the above
Correct Answer: C
Q5. Which types of data are able to be stored on any given blockchain ledger?
A.Each blockchain software specifies its own data storage rules
B. Any data that is within the UTC-8 standard
C. Unencrypted textual and numerical data
D. Encrypted textual and numerical data
Correct Answer: D
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