Question#1 The native currency of Ethereum network is _________________.
a) Mycoin
b) Ether
c) Bitcoin
d) Litecoin
Answer:- Ether
Question#2 _________requires lots of Electricity/Energy.
a) Proof of Stake
b) Proof of work
c) Proof of Authority
d) Blockchain
Answer:- Proof of Authority
Question#3 The main advantage of Ethereum over Bitcoin is __________.
a) Smart contracts
b) Transaction
c) Mining
d) Tokens
Answer:- Smart contracts
Question#4 What are Ethereum tokens?
a) Native currency
b) Alternate currency
c) Digital asset
d) Mining reward
Answer:- Digital asset
Question#5 Ethereum tokens are created by using ____________.
a) Application
b) Smart contracts
c) Dapps
d) Software
Answer:- Smart contracts
Question#6 How many rewards (Wei/Ether) does the miner receive for adding a block to the chain?
a) 5 Ether
b) 5 Wei
c) 5*e15 Wei
d) 5*e9 Wei
Answer:- 5 Ether
Question#7 How many lower denominations does the Ether have?
a) 3
b) 10
c) 6
d) 5
Answer:- 6
Question#8 What is the smallest unit of Ether?
a) Gwei
b) Wei
c) Kwei
d) Mwei
Answer:- Wei
Question#9 The time taken for mining one block in Ethereum is ___________.
a) 14 Seconds
b) 1 Seconds
c) 10 Seconds
d) 10 Minutes
Answer:- 14 Seconds
Question#10 EVM stands for ___________.
a) Ethereum Virtual Machine
b) Ether Value Mechanism
c) Ether Value Measure
d) Ether Virtual Measure
Answer:- Ethereum Virtual Machine
Question#11 Based on the storage of keys, wallets are classified into ______.
a) Custodial and Non-custodial
b) Hot and Cold
c) Private and Public
d) Desktop and Mobile
Answer:- Hot and Cold
Question#12 Ethereum Client’s Command Line Interface can be used for ___________.
a) Create transactions
b) Run smart contracts
c) Mining
d) Join the Ethereum network
e) All the options
Answer:- All the options
Question#13 All normal transactions are ________.
a) Private transactions
b) Multi-signature Transactions
c) Public transactions
d) Single-signature Transactions
Answer:- Single-signature Transactions
Question#14 MetaMask wallet is a Browser Extension.
a) True
b) False
Answer:- True
Question#15 Wallets and Ethereum Clients are used to interact with Ethereum network.
a) True
b) False
Answer:- True
Question#16 How is transaction fee calculated?
a) Gas Limit-Gas used) * gas price
b) Gas used * gas price
c) Gas used * Gas Limit
d) Gas used + gas price
Answer:- Gas used * gas price
Question#17 ______ is a personal testnetwork that is a part of truffle suite.
a) Kovan
b) Ropsten
c) Ganache
d) Goerli
Answer:- Ganache
Question#18 Configuration file of Truffle is?
a) truffle-configuration.js
b) truffle-config.ts
c) truffle-config.js
d) truffle.js
Answer:- truffle-config.js
Question#19 Solidity is a _____ language.
a) Turing incomplete
b) Turing Complete
c) Interpreted
d) Dynamic
Answer:- Turing Complete
Question#20 Remix IDE cannot be used with a Browser.
a) True
b) False
Answer:- False
Question#21 Remix IDE can be locally installed.
a) True
b) False
Answer:- True
Question#22 Which is the command to install truffle?
a) npm install -g truffleSuite
b) npm install -g truffleCompiler
c) npm install truffleSuite
d) npm install -g truffle
Answer:- npm install -g truffle
Question#23 Which of the following is a geth command?
a) geth.accounts
b) eth.account
c) geth.getAccounts
d) eth.getAccounts
Answer:- geth.accounts
Question#24 If the actual Gas used in a Contract execution is less than the Gas specified by the user, the additional amount is returned.
a) True
b) False
Answer:- True
Question#25 Solidity is a statically typed language.
a) True
b) False
Answer:- True
Question#26 Truffle can be used for ____
a) Testing Contracts.
b) Debugging contracts
c) Compiling Contracts, Deploying Contracts
d) Creating front-end for DApps
e) All the options
Answer:- All the options
Question#27 For EIP to become a new ERC, _________________.
a) Approved by Ethereum Committee
b) Deployed in the Blockchain
c) Is to follow coding standards
d) Is to be coded properly
Answer:- Approved by Ethereum Committee
Question#28 ______signifies the amount of gas to be spent for a transaction.
a) Ether
b) Gas limit
c) Gas price
d) Ether limit
Answer:- Gas limit
Question#29 Which of the following is a Proof of Work implemented test network?
a) Ganache
b) Ropsten
c) Rinkeby
d) Kovan
Answer:- Ropsten
Question#30 Which of the follwing is an extension of Solidity file?
a) .json
b) .sol
c) .bat
d) .class
Answer:- .sol
Question#31 _______contains the Development Environment, testing Framework, and the asset pipeline.
a) Metamask
b) Truffle
c) Ganache
d) Mist
Answer:- Truffle
Question#32 ______ functions can only be called from inside the present contract, and cannot be called by the inherited contracts.
a) External
b) Internal
c) Private
d) Public
Answer:- Private
Question#33 How the ether is brought into the Ethereum system?
a) Issued by participation
b) Exchanging with bitcoin
c) Mining
d) Buying
Answer:- Mining
Question#34 MetaMask wallet is a ______.
a) Browser Extension
b) Physical wallet
c) Hot Wallet
d) Full Node Wallet
Answer:- Browser Extension
Question#35 Which control structure is not supported by Solidity?
a) Switch
b) Do while
c) While
d) for
Answer:- Switch
Question#36 What is the denomination used in Ethereum?
a) Ether
b) Kei
c) Wei
d) Bitcoin
Answer:- Wei
Question#37 Ethereum network is classified into _________.
a) Public and Consortium blockchain
b) Public and Private blockchain
c) Consortium and Private blockchain
d) Public, Private and Consortium blockchain
Answer:- Public, Private and Consortium blockchain
Question#38 _______ is a collection of libraries used to create easy and better front-end for Ethereum DApps.
a) Drizzle
b) Truffle
c) Ganache
d) Crizzle
Answer:- Drizzle
Question#39 What is the token used for executing Smart Contracts?
a) Ether
b) Bitcoin
c) Gas
d) Dollars
Answer:- Gas
Question#40 How can one send ethers?
a) Between accounts on the same network
b) Between accounts on any network
c) Between accounts on any private network
d) All the options
Answer:- Between accounts on the same network
Question#41 Ethereum Virtual Machine supports turing complete languages.
a) True
b) False
Answer:- True
Question#42 Contract Accounts have code associated with them.
a) True
b) False
Answer:- True
