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Free Blockchain Fundamentals — Blockchain Fundamentals Certificate Exam Questions and Answers
Last updated: March 30, 2025
Examtopics Blockchain Fundamentals — Blockchain Fundamentals Certificate Prepaway Real Exam Questions and dumps free download
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Blockchain Fundamentals — Blockchain Fundamentals Certificate
#Question
What is a significant challenge of smart contracts on the blockchain?
A.
They always self-execute
B.
They require manual intervention
C.
They are too easy to execute
D.
They can be complex and require accurate coding
Correct Answer:
D
Smart contracts can be complex and rely on accurate coding; any mistakes in the code can lead to unintended consequences or failures.
#Question
How does blockchain technology help ensure data integrity in record-keeping systems?
A.
By using centralized databases
B.
By relying solely on encryption
C.
By employing decentralized ledgers
D.
By storing data on USB drives
Correct Answer:
C
Blockchain employs decentralized ledgers to ensure that all copies of the data remain consistent and tamper-proof, enhancing data integrity.
#Question
How does a cryptocurrency exchange facilitate trading?
A.
By providing a centralized ownership system
B.
By acting as a mediator
C.
By maintaining a decentralized ledger
D.
By pooling assets together
Correct Answer:
B
Cryptocurrency exchanges act as intermediaries that facilitate trading between buyers and sellers.
#Question
How does using a private blockchain benefit organizations?
A.
Reduced operational efficiency
B.
Increased control over data access
C.
Decreased security
D.
Lower compliance costs
Correct Answer:
B
Private blockchains allow organizations greater control over who can access data, enhancing privacy and security.
#Question
How can blockchain technology aid in real estate transactions?
A.
By providing verified ownership
B.
By decentralizing property rights
C.
By increasing transaction times
D.
By limiting property choices
Correct Answer:
A
Blockchain can enhance the transparency and security of real estate transactions by providing verified records of ownership.
#Question
What is a major challenge associated with blockchain's immutability feature?
A.
Inability to update information
B.
Greater flexibility
C.
Easy data correction
D.
Improved data security
Correct Answer:
A
While immutability enhances security, it poses challenges when errors need to be corrected or information requires updating.
#Question
Which consensus algorithm is often considered the most energy-efficient?
A.
Proof of Stake
B.
Proof of Work
C.
Delegated Proof of Stake
D.
Proof of History
Correct Answer:
A
Proof of Stake is considered more energy-efficient than Proof of Work as it does not require energy-intensive computations.
Blockchain Fundamentals — Blockchain Fundamentals Certificate
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