Name: BTA Certified Blockchain Developer - Ethereum
Brand: ValidExamDumps
SKU: CBDE
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Free Blockchain CBDE Exam Actual Questions

The questions for CBDE were last updated On May 2, 2024

Question No. 1

Consensus is reached:

Aby the miner nodes which make sure that a transaction is valid.

Bby every single node in the blockchain network executing the same transaction.

Cby a cryptographic secure signature algorithm called ECDSA which makes sure that cheating is impossible.

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Correct Answer: B

Question No. 2

Smart Contracts can be written in:

AJava, C++, Solidity and JavaScript, because the Ethereum Blockchain is completely language agnostic and cross compilers exist for every major language.

BSolidity, Viper, LLL and Serpent, because those are high level languages that are compiled down to bytecode.

CSolidity and JavaScript, because those are the official first implementations for Distributed applications and the Blockchain supports those languages fully.

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Correct Answer: B

Question No. 3

Solidity gets compiled:

Ato bytecode that can't be understood by humans.

Bto bytecodes which are essentially opcodes running instruction by instruction.

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Correct Answer: B

Question No. 4

Having a bug-bounty program early on:

Acan help to engage the community in testing your smart contracts and therefore help to find bugs early.

Bmight be a burden as it is an administrative overhead mainly.

Cis completely useless. Who wants to test beta-ware software? It's better to start with the bug-bounty program after the contract is released on the main-net.

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Correct Answer: A

Question No. 5

Which is the right order for Denominations?

AWei, Finney, Szabo, Ether, Tether.

BFinney, Szabo, Mether, Gwei.

CGwei, Szabo, Finney, Ether.

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Correct Answer: C