A company wants to move a token from Ethereum to a sidechain to benefit from lower fees. They need to ensure that the total supply of the token remains constant across both chains. Which mechanism is designed for this?

An atomic swap between the two chains

A one-way peg that burns tokens on the main chain

A two-way peg bridge that locks tokens on the main chain and mints equivalent tokens on the sidechain

A centralized exchange that holds the tokens

A company runs a supply chain on Hyperledger Fabric and a payment system on a public Ethereum network. They want to automatically trigger a payment on Ethereum when a shipment is marked as delivered on Fabric. What is the most appropriate approach?

Run both systems on the same Fabric network

Use a cross-chain bridge or oracle to relay the delivery event from Fabric to Ethereum

Manually transfer the delivery data from Fabric to Ethereum

Use an atomic swap between the two networks

A business is evaluating blockchain platforms and needs to ensure that the chosen platform can handle the expected transaction volume and meet data privacy requirements. Which platform selection criterion is most directly relevant to these needs?

Scalability and privacy features

A consortium of five banks wants to share KYC data among themselves while keeping the data private from each other and from the public. They need to comply with strict data privacy regulations that require them to know exactly which nodes store which data. Which platform choice best meets these requirements?

Ethereum mainnet with public smart contracts

Hyperledger Fabric with private data collections

A private Ethereum network with a single shared state

Corda with a single shared ledger for all banks

EC-CouncilBlockchain Business Leader Certification

Domain 5Objective 3

Platform Selection, Interoperability, and Scalability BBLC Practice Questions (Page 2)

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

25questions here

5free pages

7concepts

Questions 6–10

6application · medium
A company wants to move a token from Ethereum to a sidechain to benefit from lower fees. They need to ensure that the total supply of the token remains constant across both chains. Which mechanism is designed for this?
Select an answer first
7application · medium
A startup wants to launch a decentralized marketplace where buyers and sellers can transact without a central authority. They need a platform that is open, has a large developer ecosystem, and supports smart contracts. Which platform is most suitable?
Select an answer first
8application · medium
A company runs a supply chain on Hyperledger Fabric and a payment system on a public Ethereum network. They want to automatically trigger a payment on Ethereum when a shipment is marked as delivered on Fabric. What is the most appropriate approach?
Select an answer first
9foundation · easy
A business is evaluating blockchain platforms and needs to ensure that the chosen platform can handle the expected transaction volume and meet data privacy requirements. Which platform selection criterion is most directly relevant to these needs?
Select an answer first
10application · medium
A consortium of five banks wants to share KYC data among themselves while keeping the data private from each other and from the public. They need to comply with strict data privacy regulations that require them to know exactly which nodes store which data. Which platform choice best meets these requirements?
Select an answer first

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Platform Selection, Interoperability, and Scalability BBLC Practice Questions (Page 2)

Questions 6–10

A company wants to move a token from Ethereum to a sidechain to benefit from lower fees. They need to ensure that the total supply of the token remains constant across both chains. Which mechanism is designed for this?

A startup wants to launch a decentralized marketplace where buyers and sellers can transact without a central authority. They need a platform that is open, has a large developer ecosystem, and supports smart contracts. Which platform is most suitable?

A company runs a supply chain on Hyperledger Fabric and a payment system on a public Ethereum network. They want to automatically trigger a payment on Ethereum when a shipment is marked as delivered on Fabric. What is the most appropriate approach?

A business is evaluating blockchain platforms and needs to ensure that the chosen platform can handle the expected transaction volume and meet data privacy requirements. Which platform selection criterion is most directly relevant to these needs?

Keep studying — Blockchain Platforms and Ecosystem