Free Online Blockchain CBSA Practice Test

Prepare Your Blockchain CBSA Exam Questions with Free online CBSA Practice Test. Get Brilliant BTA Certified Blockchain Solution Architect Exam Results with Valid CBSA Exam Dumps.

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Total 230 Questions | Updated On: May 14, 2024

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Question 1

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

B : Depends on input

C : False

D : True

Answer: D

Question 2

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

A : .Net

B : Javascript

C : C++

D : Node.js

E : PHP

Answer: B

Question 3

If a Proof of Work blockchain such a s Bitcoin or Ethereum changed to a Proof of Stake consensus paradigm, which key component of the Proof of Work process would be eliminated?

A : There would be no need for the miners or nodes to perform a guessing game

B : The need to solve Byzantine Fault Tolerance

C : All fees related to transactions would be removed

D : The blockchain network would no longer have to display public transactions

Answer: A

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 : Centralization of blockchain control

B : Only use case for computational power is blockchain

C : Large expenditures for computational power

D : Not profitable for miners

E : 51% attack mitigation

Answer: A,C

Question 5

How are 'assets' in Hyperledger Fabric represented? (Select two.)

A : JSON

B : Node

C : YAML

D : Binary

E : Deployment Manager

Answer: A,D

Page: 1 / 46

Total 230 Questions | Updated On: May 14, 2024

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