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Free CBDE: BTA Certified Blockchain Developer - Ethereum Exam Questions and Answers
Last updated: February 19, 2025
Examtopics CBDE: BTA Certified Blockchain Developer - Ethereum Prepaway Real Exam Questions and dumps free download
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427-CBDE: BTA Certified Blockchain Developer - Ethereum
#Question
What is a significant drawback of Proof of Work as a consensus model?
A.
It wastes energy
B.
It is too centralized
C.
Too reliant on fees
D.
It is entirely secure
Correct Answer:
A
Proof of Work consumes a significant amount of energy due to the competitive nature of mining, leading to concerns about environmental sustainability.
#Question
Why is ensuring interoperability critical for blockchain networks?
A.
Competition among networks
B.
Reduced transaction speed
C.
Restricted access
D.
Operational efficiency
Correct Answer:
D
Interoperability allows multiple blockchain networks to interact seamlessly, increasing operational efficiency and user experiences.
#Question
How can blockchain transparency benefit users?
A.
Decreased security
B.
Increased fees
C.
Slower processing
D.
Enhanced trust
Correct Answer:
D
Blockchain transparency allows users to independently verify transactions, building trust in the system without relying on intermediaries.
#Question
What is one advantage of using stablecoins within and outside of blockchain ecosystems?
A.
Reduced transaction speed
B.
Increased volatility
C.
Limited use cases
D.
Stability against price fluctuations
Correct Answer:
D
Stablecoins provide stability against market volatility, making them useful for transactions and as a store of value in crypto markets.
#Question
What do the terms "public" and "private" refer to in blockchain networks?
A.
Accessibility
B.
Transaction types
C.
Blockchain layers
D.
Fees
Correct Answer:
A
Public networks allow anyone to participate and view transactions, while private networks restrict access to known participants for added security.
#Question
What is the purpose of a decentralized autonomous organization (DAO)?
A.
To centralize control
B.
To eliminate governance
C.
To automate decision-making
D.
To increase hierarchy
Correct Answer:
C
DAOs aim to automate governance and decision-making processes through smart contracts, allowing for decentralized management of resources.
#Question
What is a primary characteristic of fungible tokens?
A.
Unique identity
B.
Digital scarcity
C.
Permanent address
D.
One-to-one exchangeability
Correct Answer:
D
Fungible tokens can be exchanged on a one-to-one basis, meaning each token is equal in value and replaceable by another token of the same type.
427-CBDE: BTA Certified Blockchain Developer - Ethereum
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