312-82

Self-executing computer programs which facilitate transaction automation and eliminates the need for intermediaries are called what?A . CryptocurrenciesB . Bitcoin miningC . Distributed ledgersD . Smart contractsView AnswerAnswer: D Explanation: Smart Contracts are self-executing computer programs that automatically enforce, verify, and facilitate the terms of a contract when certain conditions...

______is a computer program that runs stop a blockchain and embedded within it are governance and business logic rulesA . DappsB . DaSC . DAOD . DACView AnswerAnswer: A Explanation: Decentralized Applications (Dapps) are applications that run on a blockchain network and include embedded governance and business logic rules. Unlike...

Which of the following is a language for working with Ethereum?A . MistB . RikebyC . SolidityD . KovanView AnswerAnswer: C Explanation: Solidity is the primary programming language used for developing smart contracts on the Ethereum blockchain. It is a statically typed, high-level language similar to JavaScript and C++, and...

________is used to split up the tasks into multiple chunks that are then processed by multiple nodes.A . ShardingB . ParsingC . PartitioningD . FragmentingView AnswerAnswer: A Explanation: Sharding is a scalability technique that splits tasks or data into smaller, more manageable pieces called "shards." These shards are then processed...

_______uses a Trusted Execution environment (TEE) to provide randomness and safety in the leader election process via a guaranteed wait time.A . PoETB . PoDC . PoAD . PolView AnswerAnswer: A Explanation: Proof of Elapsed Time (PoET) is a consensus mechanism that uses a Trusted Execution Environment (TEE) to ensure...

Which of the following are likely use cases for blockchain in the energy industry? (Select two.)A . Safety in energy productionB . Energy tradingC . Safety in energy transportD . Smart power gridsView AnswerAnswer: B, D Explanation: Blockchain technology has significant potential in the energy industry, particularly in energy trading...

A________in a new chain and requires clients to upgrade in order to participate on the new blockchain.A . Hard forkB . Soft forkC . ShardingD . Sub chainView AnswerAnswer: A Explanation: A hard fork occurs when there is a fundamental change in a blockchain’s protocol, resulting in the creation of...

According to a study be Deloitte, which of the following are benefits of blockchain for the insurance industry (pick two)? A. More efficient claims processing B. Supporting strategic initiatives C. Comprehensive interoperable health records D. Lower costsView AnswerAnswer: A, D Explanation: According to studies conducted by Deloitte and other industry...

Proof of work algorithms are best described as being used for what?A . Executing transactionsB . Proof that adequate computational resources have been sent.C . Bitcoin miningD . Proving the user has invested enough in the systemView AnswerAnswer: B Explanation: Proof of Work (PoW) algorithms are primarily used to demonstrate...

These wallets store keys in a tree structure derived from a seed.A . Brain WalletsB . Hierarchical Deterministic WalletsC . Deterministic WalletsD . Non-Deterministic WalletsView AnswerAnswer: B Explanation: Hierarchical Deterministic (HD) Wallets are wallets that generate private and public keys in a tree structure, starting from a single seed phrase....