FREE Basic Solidity (Web Dev) Question and Answers

Question 1

What can Solidity contracts use as memory?

Accepted Answer

Any size

Answer

Maximum of 256 bytes

Answer

A uint32 array of any size

Answer

Fixed size

Question 2

What does Solidity supports?

Accepted Answer

Reference types and value types

Answer

Arrays

Answer

Structures and classes

Answer

Functions

Question 3

What does the reducing length property do?

Accepted Answer

Delete elements from the array

Answer

Keep only the first N elements

Answer

Keep all elements in the array

Answer

Keep the elements in the array but reduce their length

Question 4

Do I need a certification to become a Solidity developer?

Accepted Answer

No

Answer

Yes

Question 5

What is a Solidity Developer's salary?

Accepted Answer

$130k to $290k

Answer

$100k to $200k.

Answer

$1200k to $3000k.

Answer

$300k to $100k.

Question 6

What does a developer of Solidity do?

Accepted Answer

All of the above

Answer

Developing and deploying smart contracts

Answer

Auditing smart contracts

Answer

Communicating with users to translate business goals into technical requirements

Question 7

What is Ethereum's main purpose?

Accepted Answer

Executing code for decentralized applications

Answer

Being a platform for smart contracts

Answer

Supporting digital currencies

Answer

Offering a platform for smart contracts