OZ Quiz

Access to the stack is limited to the top end in the following way:

It is possible to copy one of the topmost __ elements to the top or the stack or

swap the topmost element with one of the __ elements below it.

• 12

• 18

• 15

• 16

Variables created in an internal function don’t share the same restricted stack with the original function.

• TRUE

• FALSE

Which one is a Solidity reserve keyword

• mut

• const

• switch

• void

What is the default visibility for state variables:

• private

• public

• external

• internal

The number of runs (--optimize-runs) specifies ___

• the speed at which the contract is expected to be deployed.

• how often each opcode of the deployed code will be executed across the life-time of the contract.

• the number of iterations of the optimizer.

• nothing, the parameter has been deprecated.

The opcode-based optimizer removes unused code.

• TRUE

• FALSE

What is the longest and heaviest bone in the human body?

• Clavicle

• Femur

• Humerus

• Tibia

What color catches the eye first?

• Blue

• Green

• Yellow

• Red