Ethereum Blockchain: A Comprehensive Guide for Beginners

Question 1

Name a distinguishing feature of Ethereum that is NOT included in the given list.

Accepted Answer

Nominal transaction charges

Answer

Decentralization

Answer

Smart contract capability

Answer

Proof-of-Stake consensus mechanism

Question 2

For developing smart contracts on Ethereum, which programming language is primarily employed?

Accepted Answer

Solidity

Answer

Python

Answer

Java

Answer

C++

Question 3

Identify a decentralized application (dApp) built on the Ethereum blockchain.

Accepted Answer

Uniswap

Answer

Spotify

Answer

Twitter

Answer

Facebook

Question 4

What primary purpose do gas fees serve on the Ethereum network?

Accepted Answer

Preventing network congestion and spam

Answer

Rewarding miners for transaction processing

Answer

Generating revenue for the Ethereum Foundation

Answer

Controlling the supply of Ether

Question 5

Ethereum 2.0 incorporates which consensus mechanism in its design?

Accepted Answer

Proof-of-Stake

Answer

Proof-of-Work

Answer

Delegated Proof-of-Stake

Answer

Byzantine Fault Tolerance

Question 6

Highlight the main advantage offered by utilizing a blockchain like Ethereum.

Accepted Answer

Unalterable records and transparency

Answer

Centralized administration

Answer

High transaction charges

Answer

Limited scalability

Question 7

What is the primary function of an Ethereum Improvement Proposal (EIP)?

Accepted Answer

Proposing alterations to the Ethereum protocol

Answer

Establishing standards for smart contract creation

Answer

Financing research and innovation

Answer

Setting guidelines for dApp development

Question 8

Name a widely used tool for creating and deploying Ethereum smart contracts.

Accepted Answer

Truffle

Answer

WordPress

Answer

React Native

Answer

Git

Question 9

Which unique characteristic of the Ethereum blockchain allows developers to create decentralized applications?

Accepted Answer

Smart contract functionality

Answer

Proof-of-Work consensus mechanism

Answer

Restricted block size

Question 10

Which of the following is a key characteristic of smart contracts on the Ethereum blockchain?

Accepted Answer

Immutability

Answer

Reusability

Answer

Centralized control

Answer

High transaction fees

Question 11

Which of the following is the native cryptocurrency of the Ethereum blockchain network?

Accepted Answer

Ether (ETH)

Answer

Ripple (XRP)

Answer

Litecoin (LTC)

Answer

Bitcoin (BTC)

Question 12

Which key feature distinguishes smart contracts on the Ethereum blockchain?

Accepted Answer

They are decentralized and immutable once deployed.

Answer

They are executed by a central authority.

Answer

They can be easily modified after deployment.

Answer

They cannot be verified by third parties.

Question 13

Which programming language is primarily used for developing smart contracts on the Ethereum blockchain?

Accepted Answer

Solidity

Answer

Java

Answer

Python

Answer

C++

Question 14

What is the primary purpose of 'gas' in the Ethereum network?

Accepted Answer

To prevent network congestion and incentivize miners.

Answer

To reward miners exclusively for validating transactions.

Answer

To secure the network through proof-of-work.

Question 15

What is a significant advantage of decentralized applications (dApps) built on the Ethereum blockchain?

Accepted Answer

They are censorship-resistant and autonomous.

Answer

They guarantee complete anonymity for users.

Answer

They are immune to all forms of cyberattacks.

Answer

They are inherently scalable without any limitations.

Question 16

What is the primary purpose of the Ethereum Virtual Machine (EVM)?

Accepted Answer

To execute smart contracts securely on the Ethereum blockchain.

Answer

To store and manage data on the blockchain in a decentralized manner.

Answer

To provide anonymity and privacy to users on the network.

Question 17

Which of the following is a key feature that distinguishes Ethereum from other blockchains?

Accepted Answer

Support for smart contract functionality

Answer

Focus on privacy and anonymous transactions

Answer

Extremely high transaction speed

Answer

Unique consensus mechanism called Proof-of-Stake

Question 18

What is the native cryptocurrency used within the Ethereum ecosystem?

Accepted Answer

Ether (ETH)

Answer

Ethereum Fuel (ETF)

Answer

Ethereum Coin (ETC)

Answer

Ethereum Classic (ETC)

Question 19

Which programming language is primarily employed for developing smart contracts on the Ethereum platform?

Accepted Answer

Solidity

Answer

Java

Answer

Python

Answer

C++

Question 20

What is the primary purpose of a gas fee in Ethereum transactions?

Accepted Answer

Compensation for miners' computational effort

Answer

Prevention of spam transactions

Answer

Control over the supply of ETH

Question 21

What is the name of the virtual machine responsible for executing smart contracts on the Ethereum network?

Accepted Answer

Ethereum Virtual Machine (EVM)

Answer

.NET Common Language Runtime (CLR)

Answer

Hyperledger Fabric

Answer

Java Virtual Machine (JVM)

Question 22

Which of the following is a key benefit of utilizing smart contracts on the Ethereum platform?

Accepted Answer

Automated execution and enhanced transparency

Answer

Guaranteed anonymity for users

Answer

Significantly lower transaction costs compared to traditional systems

Answer

Centralized control over transactions

Question 23

What is the term used to describe the network of computers that collaboratively maintain the Ethereum blockchain?

Accepted Answer

Ethereum nodes

Answer

Ethereum wallets

Answer

Ethereum dApps

Answer

Ethereum miners

Question 24

Who is widely recognized as the primary founder of the Ethereum platform?

Accepted Answer

Vitalik Buterin

Answer

Charles Hoskinson

Answer

Gavin Wood

Answer

Satoshi Nakamoto