Free Blockchain CBSA Exam Questions

Become Blockchain Certified with updated CBSA exam questions and correct answers

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Total 230 Questions | Updated On: Mar 25, 2025

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Question 1

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

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

D : ey are Turing complete and deterministic in nature

Answer: D

Question 2

What is the language that Solidity is using to build on the Ethereum Virtual Machines(EVM)?

A : .Net

B : vascript

C : +

D : de.js

E : P

Answer: B

Question 3

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.

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

B : pends on input

C : lse

D : ue

Answer: D

Question 4

You have flown to NYC to have a discussion with a technical executive of a too big to fail bank. You are having a discussion about blockchain algos and the customer is asking what are some disadvantages of using a POW algo?

A : ntralization of blockchain control

B : ly use case for computational power is blockchain

C : rge expenditures for computational power

D : t profitable for miners

E : 51% attack mitigation

Answer: A,C

Question 5

What is another name for blockchains that run adjacent to the blockchains and also offer more scope for processing contracts?

A : chains

B : nnelchains

C : ltichains

D : dechains

Answer: D

Page: 1 / 46

Total 230 Questions | Updated On: Mar 25, 2025

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