312-82最新考古題，312-82考題資訊

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最新的 Blockchain Fintech 312-82 免費考試真題 (Q27-Q32):

問題 #27
________is used to split up the tasks into multiple chunks that are then processed by multiple nodes.

A. Fragmenting
B. Parsing
C. Partitioning
D. Sharding

答案：D

解題說明：
Shardingis a scalability technique that splits tasks or data into smaller, more manageable pieces called
"shards." These shards are then processed in parallel by multiple nodes in a network. By dividing the workload, sharding can significantly enhance the efficiency and speed of blockchain networks, which is especially beneficial for handling large transaction volumes and complex computations.
Key Details:
* Purpose of Sharding: The main goal of sharding is to address blockchain scalability issues. By enabling the network to process transactions and data in parallel, it reduces the load on individual nodes, thus increasing the overall throughput of the blockchain.
* How Sharding Works: In a sharded blockchain, each node only needs to process a portion of the total data rather than every single transaction on the network. Each shard is responsible for a subset of data and transactions, and only nodes within a particular shard need to validate its transactions.
* Relevance in Blockchain: Sharding is crucial in large-scale blockchain networks like Ethereum, where high transaction volumes can lead to congestion. Ethereum 2.0, for example, incorporates sharding as a core feature to improve its scalability and transaction processing capacity.
Sharding is, therefore, the correct answer, as it directly refers to the method of dividing tasks for parallel processing in a distributed environment.

問題 #28
Is a Microsoft blockchain development platform that allows the creation of custom private blockchains.

A. Sratis
B. Corda
C. Fabric
D. Azure

答案：D

解題說明：
MicrosoftAzureis a blockchain development platform that enables the creation of custom private blockchains.
Azure Blockchain Service provides tools and services that allow organizations to set up and manage consortium blockchain networks, customize smart contracts, and create tailored blockchain applications.
Azure supports multiple blockchain frameworks, includingEthereumandHyperledger Fabric, making it versatile for both private and public network needs.
Key Details:
* Azure Blockchain Service: This service facilitates the deployment of managed blockchain networks on the cloud, leveraging Azure's infrastructure to deliver scalability, security, and reliability for private and consortium blockchain applications.
* Private Blockchain Capabilities: As a private blockchain service, Azure allows businesses to operate their blockchain in a controlled, permissioned environment. This offers greater control over data and participants, making it ideal for enterprise use cases like supply chain management, finance, and legal contracts.
* Blockchain Framework Compatibility: Although Azure supports a variety of blockchain protocols, it primarily focuses on private blockchain deployments, allowing for detailed control over network participants and data visibility.
In summary, Microsoft Azure stands out as a flexible and comprehensive platform for private blockchain development, catering to enterprises with tailored solutions and extensive cloud-based services.

問題 #29
These wallets use a this passphrase to derive the private key

A. Hierarchical Deterministic Wallets
B. Brain Wallets
C. Deterministic Wallets
D. Non-Deterministic Wallets

答案：B

解題說明：
Brain Walletsderive private keys from a passphrase. This approach allows users to create a wallet by memorizing a unique phrase, which is then hashed to generate the corresponding private key.
Key Details:
* Use of Passphrases: Brain wallets use a passphrase that is entered by the user, typically a string of words that can be remembered easily. This passphrase is then converted into a private key using a cryptographic hash function.
* Security Concerns: While convenient, brain wallets are susceptible to brute-force attacks if the passphrase is not sufficiently complex. Simple or common phrases may be vulnerable to attackers who use lists of common phrases to derive potential private keys.
* Distinction from Deterministic Wallets: Unlike Hierarchical Deterministic Wallets, which use a seed phrase to generate a tree of keys, brain wallets derive a single private key directly from a passphrase.
In conclusion,B. Brain Walletsis the correct answer, as these wallets use a passphrase to generate the private key.

問題 #30
Self-executing computer programs which facilitate transaction automation and eliminates the need for intermediaries are called what?

A. Smart contracts
B. Bitcoin mining
C. Cryptocurrencies
D. Distributed ledgers

答案：A

解題說明：
Smart Contractsare self-executing computer programs that automatically enforce, verify, and facilitate the terms of a contract when certain conditions are met. These programs run on blockchain networks and eliminate the need for intermediaries by automating transactions based on predefined rules coded into the contract.
Key Details:
* Automation and Trust: Smart contracts are crucial in blockchain technology because they enable trustless transactions, meaning parties can transact directly without relying on intermediaries. The code controls the execution, and transactions are transparent and irreversible.
* Use Cases: Smart contracts are foundational to decentralized finance (DeFi) applications, supply chain management, digital identity, and more. They facilitate various operations such as lending, borrowing, insurance, and automated asset transfers.
* Example in Ethereum: Ethereum popularized smart contracts by providing a platform with Turing- complete scripting capabilities. This allowed developers to create sophisticated decentralized applications that execute on the blockchain.
In conclusion,D. Smart contractsis the correct answer as it refers to the technology that automates transactions and eliminates the need for intermediaries.

問題 #31
What is the primary benefit to patients of blockchain in the healthcare are industry?

A. Improved medical outcomes
B. Reduced costs
C. Total control over personal health records
D. Reduced wait times

答案：C

解題說明：
The primary benefit of blockchain in the healthcare industry for patients istotal control over personal health records. Blockchain enables secure, decentralized storage of health data, allowing patients to control access to their information and share it with healthcare providers as needed.
Key Details:
* Data Ownership and Privacy: Blockchain gives patients the ability to own and manage their health records. They can grant or revoke access to different healthcare providers, ensuring that only authorized personnel have access to their data.
* Improved Security: Health records stored on a blockchain are encrypted and decentralized, making them resistant to tampering and unauthorized access. This enhances patient privacy and reduces the risk of data breaches.
* Interoperability and Accessibility: Blockchain facilitates seamless sharing of health records across different healthcare providers and systems, improving coordination and care continuity without compromising data integrity.
Therefore,B. Total control over personal health recordsis the correct answer, as it represents a significant advantage for patients in managing their healthcare information securely.

問題 #32
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312-82最新考古題，312-82考題資訊

最新的312-82認證考試的學習資料

最新的 Blockchain Fintech 312-82 免費考試真題 (Q27-Q32):

極速下載312-82最新考古題 & 考題全覆蓋EC-COUNCIL 312-82