Question 1

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 2

You are considering writing a smart contract for Ethereum and would like to use a robust programming language.
Which programming language is considered the most flexible and robust for Ethereum?

Options :

A : Solidity

B : Python

C : Serpent

D : JS

Answer: A

Question 3

Which cryptocurrency is also known as 'Smart Money'in the blockchain world?

Options :

A : Ether

B : BTC

C : Monero

D : Litecoin

Answer: A

Question 4

When developing in Ethereum which is considered to be an In-Memory Blockchain simulations for rapid development?

Options :

A : Cpp-ethereum

B : Geth

C : TestRPC

D : Parity

Answer: C

Question 5

Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.

Options :

A : NSA is spying on us so what-s it matters.

B : Depends on input

C : False

D : True

Answer: D

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