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ISACA Blockchain Fundamentals Sample Questions:

01. For blockchain technology in healthcare, what is a critical privacy consideration?

a) Fast access to medical records

b) Transparent access to drug formulas

c) Protection of patient data

d) Unlimited data storage

02. Which type of blockchain is ideal for a group of companies that want to maintain privacy yet ensure accountability among themselves?

a) Hybrid blockchain

b) Private blockchain

c) Public blockchain

d) Consortium blockchain

03. How does blockchain ensure data integrity?

a) External audits

b) Consensus algorithms

c) Data fragmentation

d) Data encryption

04. In blockchain deployment, what is the primary purpose of a consensus algorithm like Proof of Stake (PoS)?

a) To agree on the ledger state without needing trust

b) To encrypt transaction data

c) To verify the identity of users

d) To ensure all transactions are free

05. What are key considerations when implementing blockchain in governmental systems?

(Choose Three)

a) Ensuring compliance with legal standards

b) Keeping all data public

c) Managing scalability to handle large volumes of data

d) Securing against unauthorized data access

06. What advantage does a decentralized application (DApp) have over traditional centralized applications?

a) Lower costs for data storage

b) Increased central control over user data

c) Easier regulatory compliance

d) Resistance to censorship and downtime

07. When considering the implementation of a blockchain solution for digital identities, which characteristic is most beneficial?

a) Centralized management

b) Single-point of failure

c) Immutable transaction records

d) Frequent data deletion capabilities

08. In healthcare, blockchain can be used to:

a) Share patient records securely between facilities

b) Predict medical conditions using AI

c) Directly perform medical treatments

d) Increase the cost of data storage

09. How does blockchain technology enhance transparency in business processes?

a) By allowing undisclosed private transactions

b) By decentralizing data storage

c) By providing a public ledger accessible to authorized users

d) By restricting access to transaction data

10. Which consensus mechanism in blockchain requires validators to hold a certain amount of cryptocurrency as collateral?

a) Proof of Work (PoW)

b) Proof of Stake (PoS)

c) Delegated Proof of Stake (DPoS)

d) Proof of Authority (PoA)

Answers:

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