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CBDE Exam Dumps : BTA Certified Blockchain Developer - Ethereum

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BTA Certified Blockchain Developer - Ethereum Questions and Answers

Question 1

It’s possible to access the blockchain via an Ethereum Node:

Options:

A.

only via JavaScript because there is the proprietary Web3.js library.

B.

by any programming language, as long as it adheres to the JSON-RPC standard.

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Question 2

Assert is used:

Options:

A.

to check internal states that should never happen.

B.

to check input arguments from users.

Question 3

You interact with a smart contract and see a gas usage of 50,000 gas with a gas cost of 15Gwei.

How much Ether would you have to pay to the miner?

Options:

A.

750,000,000,000,000 Wei

B.

750,000,000,000 Wei

C.

750,000,000 Wei

D.

A flat fee of 1 Ether