Question 1

Which one of the following is true regarding Smart Contracts on the Ethereum blockchain?

Options :

A :

They provide added security over off-chain transaction code on other blockchain networks

B :

Because they are compiled into bytecode they cannot be used in an unintended manner

C : Any flaw discovered in their code can quickly be updated and redeployed

D : They are Turing complete and deterministic in nature

Answer: D

Question 2

What is the accepted best practice for preventing contract addresses from changing when a new contract is released?

Options :

A : Move your contract to a new blockchain

B : Delete the old contract and add the new version in its place

C : Addresses always change so use a calling contract

D : Use the ''- -addressForce'' parameter when releasing a new contract

Answer: D

Question 3

Which of these desired outcomes is best obtained through a Blockchain solution?

Options :

A : Pending financial transactions need to be stored until completed and then should be deleted

B : A website that shows current data from various stock markets

C : A mobile app that displays information about today-s weather

D : None of the above

Answer: B

Question 4

The fabric framework is implemented on ______programming language.
What programming language?

Options :

A : Go

B : Python

C : Node.js

D : Java

E : JS

Answer: A

Question 5

Select the two kinds of accounts in Ethereum which share the same address space. (Select two.)

Options :

A : Gas Account

B : Contract Accounts

C : External Accounts

D : Internal Accounts

E : dApp Accounts

Answer: B,C