A consortium of banks wants to create a shared fraud detection system. They need to share transaction data in real-time, but they are concerned about exposing sensitive customer information to competitors. They also need to comply with data protection regulations. Which approach is most effective?

Use a central database shared among all banks

Use a consortium blockchain with all transaction data visible to all members

Use a permissioned blockchain with private data collections and off-chain computation

Use a public blockchain with encrypted transaction data

Which of the following is a key governance consideration when implementing an enterprise blockchain?

Defining roles and decision-making processes for network participants

Ensuring the blockchain uses a proof-of-work consensus to be truly decentralized

Guaranteeing that all transactions are visible to all participants

Making all smart contracts open-source to the public

A consortium of energy companies wants to track renewable energy certificates (RECs) to prevent double counting. They need to ensure that only certified producers can issue RECs and that the history of each REC is transparent to regulators. Which platform is most appropriate?

Quorum with private transactions

Hyperledger Fabric with a membership service provider (MSP) and audit trails

Ethereum mainnet with public smart contracts

R3 Corda with legal prose and notary service

A consortium of hospitals wants to share patient records for treatment across different facilities. They need to ensure that only authorized healthcare providers can access records, and they must comply with data protection regulations that require the ability to delete personal data upon patient request. Which platform feature is most important?

Public blockchain with encrypted records

Off-chain storage with on-chain access control and audit logs

A single shared ledger with all hospitals having full access

Immutable on-chain storage of all patient records

A healthcare consortium wants to share patient records among hospitals while complying with data protection regulations. They require that patients can grant and revoke access to their records. Which implementation consideration is most critical?

Implementing a permissioned blockchain with smart contracts for access control

Storing all patient records directly on a public blockchain

Relying on off-chain storage with no access controls

Using a private database without blockchain

EC-CouncilBlockchain Developer Certification

Domain 8Objective 5

Enterprise Blockchain Platforms and Industry-Specific Use Cases BDC Practice Questions (Page 1)

Part of the Enterprise Blockchain Platforms domain, which makes up ~10% of our current practice bank.

30questions here

6free pages

4concepts

Questions 1–5

1expert · hard
A consortium of banks wants to create a shared fraud detection system. They need to share transaction data in real-time, but they are concerned about exposing sensitive customer information to competitors. They also need to comply with data protection regulations. Which approach is most effective?
Select an answer first
2foundation · easy
Which of the following is a key governance consideration when implementing an enterprise blockchain?
Select an answer first
3application · medium
A consortium of energy companies wants to track renewable energy certificates (RECs) to prevent double counting. They need to ensure that only certified producers can issue RECs and that the history of each REC is transparent to regulators. Which platform is most appropriate?
Select an answer first
4application · medium
A consortium of hospitals wants to share patient records for treatment across different facilities. They need to ensure that only authorized healthcare providers can access records, and they must comply with data protection regulations that require the ability to delete personal data upon patient request. Which platform feature is most important?
Select an answer first
5application · medium
A healthcare consortium wants to share patient records among hospitals while complying with data protection regulations. They require that patients can grant and revoke access to their records. Which implementation consideration is most critical?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to BDC

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by EC-Council. “BDC” is a trademark of its owner, used for identification only.