Free Solidity (Web Dev) Question and Answers

Question 1

Who created Ethereum?

Accepted Answer

Gavin James Wood

Answer

Vitalik Buterin

Answer

Joseph Lubin

Answer

None of the above

Question 2

How big is the default size of a storage array in Solidity

Accepted Answer

2256 bytes

Answer

8192 bytes

Answer

64 kilobytes

Answer

32768 bytes

Question 3

Which programming language were used to create smart contracts on the Ethereum blockchain?

Accepted Answer

Solidity

Answer

Java

Answer

Python

Answer

Ruby

Question 4

What can the deployer use to run code on the blockchain?

Accepted Answer

Solidity language

Answer

Python language

Answer

Java language

Answer

JavaScript language

Question 5

What are state variables in Solidity stored in?

Accepted Answer

Slots

Answer

Names

Answer

Memory addresses

Answer

Numbers

Question 6

What's an example of a calldata?

Accepted Answer

Memory location that sits in the memory of the EVM

Answer

Data that is used to calculate the results of a contract

Answer

The result of executing a contract

Answer

A table of data stored in the blockchain

Question 7

What is the name of the Ethereum dapp development environment?

Accepted Answer

Hardhat

Answer

Blimp

Answer

Geth

Answer

Ethereum Studio