Eccouncil 312-82 Exam Questions

Hyperledger Fabric is designed to provide a foundation for developing blockchain solutions with a modular architecture. Fabric, a project under the Hyperledger umbrella by the Linux Foundation, offers flexibility through its pluggable components, enabling enterprises to tailor blockchain networks according to their specific requirements.

Key Details:

Modular Architecture: Hyperledger Fabric supports modular plug-ins for various functions, including consensus, identity management, and privacy settings. This allows organizations to customize the blockchain to suit their operational needs.

Permissioned Network: Fabric is a permissioned blockchain, meaning that it restricts network participation to authorized entities, which is ideal for enterprise use cases that require confidentiality and controlled access.

Enterprise-Grade Features: Fabric's architecture is well-suited for complex business processes, providing features like private data collections, which allow subsets of participants to create private channels for transactions.

Thus, B. FABRIC is the correct answer, as it is specifically developed to support modular, enterprise-grade blockchain solutions.

A Type II DApp is a decentralized application that uses both the blockchain and protocol of a Type I DApp. Type I DApps are the foundational blockchain-based platforms, such as Ethereum, that operate with their own blockchain. Type II DApps build on these platforms, using the existing blockchain and protocol, but offering specific functionalities or services.

Key Details:

Type I DApps: These are fundamental blockchain platforms, like Bitcoin or Ethereum, which have their own blockchain and provide a foundation for other applications.

Characteristics of Type II DApps: Type II DApps leverage the infrastructure of Type I DApps but add additional functionality through smart contracts or protocols. For example, protocols such as ERC-20 tokens or ERC-721 NFTs are built on Ethereum and utilize Ethereum's underlying blockchain and consensus protocol.

Integration: By utilizing both the blockchain and protocol of a Type I DApp, Type II DApps inherit the security, decentralization, and features of the underlying Type I platform, which simplifies their development and ensures compatibility.

In summary, B. Using the blockchain and protocol of a type I accurately describes the categorization of Type II DApps.

Proof of Burn (PoB) is a consensus mechanism where users permanently destroy (or 'burn') a certain quantity of cryptocurrency, such as Bitcoin, to gain the right to mine or acquire an altcoin. This process proves commitment to the network and secures it by effectively sacrificing one asset to obtain another.

Key Details:

Burning Process: In PoB, participants send a certain amount of cryptocurrency to an unspendable address, effectively removing it from circulation. This act serves as proof that they have invested in the network by reducing the supply of the original cryptocurrency.

Purpose and Use Cases: PoB is used by networks that want to incentivize long-term commitment and reduce total supply. It is often seen in new blockchain projects that allow miners or users to trade value in established currencies like Bitcoin for the native token of the new network.

Security: By requiring participants to destroy value, PoB helps prevent spam attacks and promotes network stability.

Therefore, B. Proof of Burn is the correct answer, as it describes the method where users destroy a certain amount of cryptocurrency to receive or mine another asset.

Augur is a decentralized, blockchain-based predictions market built on the Ethereum network. It enables users to create and participate in markets based on the outcome of real-world events, using smart contracts to automate the process and secure transactions.

Key Details:

Ethereum-Based: Augur utilizes the Ethereum blockchain to facilitate the creation and settlement of prediction markets. It leverages Ethereum's smart contracts to ensure transparency, immutability, and trustless interactions.

Decentralized Prediction Market: In Augur, users can bet on the outcome of various events, ranging from sports to elections. The decentralized nature of the platform ensures that no central authority controls the markets, providing a level of censorship resistance.

Token Usage: Augur uses a token called REP (Reputation) that holders use to report and dispute outcomes of events on the platform. This ensures that the market outcomes are validated in a decentralized manner.

Thus, A. Augur is the correct answer, as it is a blockchain-based prediction market built on Ethereum.

Hyperledger Cello is designed to facilitate the deployment and management of blockchain networks. It provides an easy-to-use framework for creating, managing, and scaling blockchain networks, making it suitable for rapid deployment and operation. Although the term 'bloodchains' might be a typo or intended for 'blockchains,' Cello indeed simplifies the blockchain setup process for various applications.

Key Details:

Deployment and Management: Cello offers a suite of tools that automates blockchain deployment, operation, and monitoring, making it accessible for businesses looking to adopt blockchain technology with minimal effort.

Modular Approach: It supports various blockchain frameworks, including Hyperledger Fabric, and is aimed at reducing the complexity involved in blockchain management.

Use Cases: Hyperledger Cello is useful for enterprise blockchain applications, as it allows administrators to manage blockchain networks with tools that support configuration, monitoring, and scaling.

Thus, B. Cello is the correct answer, as it simplifies blockchain deployment and management.