CBSA

Bitcoin implemented Byzantine Fault Tolerance through a system named:A . Authenticated EncryptionB . Proof of WorkC . PBKDF2D . None of the aboveView AnswerAnswer: B

To approve pending ledger transactions, consensus algorithms often implement:A . Byzantine Fault ToleranceB . Access ControlC . Kerckhoffs’s PrincipleD . Common Weakness EnumerationView AnswerAnswer: A

What type of peer node executes transactions?A . MonitoringB . API PeerC . Endorsing PeerD . Ordering PeerView AnswerAnswer: C Explanation: Endorsing Peers (Endorsers) An endorser executes and endorses transactions. The endorsing peers take the role of endorsing transactions before they are ordered and committed as per the policy defined...

One consideration that should be taken into account when building a product on a public blockchain is:A . Blockchain fees associated with transactions that both the product and the user may have in order to use the product on that blockchainB . What countries the blockchain is available inC ....

Proof of Stake based blockchain systems use what design to permit valid write transactions?A . A genesis “Stake” node approves or disapproves transactions announced from other nodesB . Validator nodes each give or pay a stake in order to write transactions, and if malicious, will lose their stakeC . Stakeholders...

Blockchain systems assume all parties are trusted by all other parties in the exchange or ecosystem.A . FALSEB . TRUEView AnswerAnswer: A

Your company working for is now considering the blockchain. They would like to perform a POC with R3 Corda. The CIO was reading about different blockchain consensus algos and would like to understand what type of consensus algos is used with Corda. What is the best answer?A . R3 Corda...

What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)A . Unplanned ForkB . Double SpendingC . Cancelling TransactionsD . Planned ForkE . Selfless MiningView AnswerAnswer: A,B,C Explanation: The 4 main attacks that can happen directly as a result...

Gas has multiple associated terms with it: Gas Prices, Gas Cost, Gas Limit, and Gas Fees. The principle behind Gas is to have a stable value for how much a transaction or computation costs on the Ethereum network. Which is considered to be the static value for how much a...

What are some advantages of Proof of Stake (POS) mining over Proof of Work (POW) mining? (Select three.)A . Energy efficient in regards to that it could consume for electricity as compared to PoWB . Faster Hashing algorithmsC . No need for expensive compared to POWD . Faster validations compared...