ETH Exam with 100% correct answers 2024

What is the conversion of Wei To Ether? correct answers 10^18 wei = 1 ETH What is the average block time in Ethereum? correct answers ~14 seconds What is the average block size in ethereum? correct answers 2kb (but it depends) What is a node? correct answers A computer that is connected to a network that processes transactions Name different ETH networks correct answers Live Network (Main), Test Networks (Ropsten, Kovan, Rinkeby) and Private Networks. Could be public, private, or consortium. Where are transactions recorded? correct answers Public ledger Why would you use a private network? correct answers Data privacy, distributed database, permissions control and testing Proof of Work correct answers - A consensus distribution algorithm that requires an active role in mining data blocks, often consuming resources, such as electricity - The more 'work' you do or the more computational power you provide, the more coins you are rewarded with What do you need to recover Ethereum account? correct answers 12 word mneumonic What are ways to connect to a geth node? correct answers JSON-RPC What is Geth? correct answers An Ethereum cli client What APIs does it have? correct answers (eth, web3, net, miner these are default), personal, shh, debug, txpool Where are geth client accounts stored? correct answers In the keystore directory Can you mine with geth? correct answers Yes, via --mine option What is "etherbase"? correct answers The account that receives mining awards What is a smart contract? correct answers Computer code that could be compiled from multiple languages (solidity, vyper). They live on the network and enforce rules and perform state changes.