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Eccouncil 312-82 Exam Questions
- Topic 1: Introduction: This part of the exam gauges the basic knowledge of blockchain technology for professionals like financial analysts and covers key blockchain concepts such as distributed ledgers, consensus mechanisms, and smart contracts, forming the basis for more advanced topics covered later.
- Topic 2: Financial Applications: This section assesses the understanding of blockchain applications within financial services for professionals such as fintech developers and covers how blockchain is reshaping areas like payments, remittances, and trading by providing secure, transparent, and efficient alternatives to conventional methods.
- Topic 3: Blockchain’s Cryptocurrency Assets: This segment tests the proficiency of professionals like cryptocurrency traders in the area of cryptocurrency assets. It examines the role of blockchain in creating and managing digital currencies like Bitcoin and Ethereum, as well as its broader impact on the financial world.
- Topic 4: Insurance Applications: This section evaluates the expertise of insurance professionals, such as underwriters and claims managers in utilizing blockchain technology within the insurance industry.
- Topic 5: Blockchain Project Implementation: In this section, the exam focuses on the capability of project managers to execute blockchain projects effectively.
- Topic 6: Bitcoin: This module zeroes in on Bitcoin, the first and most prominent cryptocurrency. It tests the understanding of blockchain developers about how Bitcoin works, its impact on the financial landscape, and the challenges and opportunities related to its adoption as a digital currency.
- Topic 7: Security in Blockchains: This part assesses the knowledge of cybersecurity experts, IT auditors, and compliance professionals in securing blockchain systems.
- Topic 8: Blockchain as a Service (BaaS): This section measures the skills of IT architect in deploying Blockchain as a Service (BaaS). It outlines how BaaS enables organizations to create and manage blockchain applications without building their own infrastructure, simplifying the adoption and scaling of blockchain technologies.
- Topic 9: Ethereum: This part of the exam evaluates the expertise of blockchain developers and IT professionals in Ethereum, the leading platform for decentralized applications (dApps).
- Topic 10: Open Source: This module assesses the understanding of software developers and IT professionals concerning open-source blockchain frameworks. It explores the advantages of open-source development in blockchain, such as fostering innovation, transparency, and collaboration, as well as how professionals can contribute to or adopt these open-source solutions.
- Topic 11: Decentralized Applications (dApps): This final section examines the skills of software developers in creating decentralized applications (dApps). It discusses the design, development, and deployment of dApps and their potential to revolutionize traditional business models by offering more secure, transparent, and efficient solutions.
Free Eccouncil 312-82 Exam Actual Questions
Note: Premium Questions for 312-82 were last updated On Jul. 25, 2025 (see below)
A Type II DAPP is categorized by its______
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.
______is intended to provide a foundation for the development of blockchain solutions with a modular architecture.
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 categorized by its______
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.
The right to publish a new block is determined by ________
The right to publish a new block is commonly determined by Proof of Work (PoW) in blockchain networks like Bitcoin. In PoW, network nodes, known as miners, compete to solve a cryptographic puzzle. The first node to successfully solve it gains the right to add a new block to the blockchain.
Key Details:
Proof of Work Mechanism: Miners perform computational work to solve a hash puzzle, which proves that they have expended effort. This process ensures that blocks are added in a way that is resistant to tampering and fraud.
Reward System: The miner who successfully publishes a new block receives a block reward (in Bitcoin, for example), incentivizing miners to participate in maintaining the blockchain network's security.
Alternative Mechanisms: Other consensus mechanisms, such as Proof of Stake (PoS), do not rely on computational work but rather on a node's stake or investment in the blockchain. However, in the context of traditional blockchain models like Bitcoin, PoW is the primary method for determining block publication rights.
Therefore, A. Nodes proof of work is the correct answer, as PoW is the standard method by which nodes earn the right to publish new blocks in many blockchain networks.
A Type II DAPP is categorized by its______
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.
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