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According to the Official Syllabus of Actual Blockchain CBSA Exam

Blockchain CBSA Exam

BTA Certified Blockchain Solution Architect

Total Questions: 229

Last Updated : 16-10-2022

Based on Official Syllabus Topics of Actual Blockchain CBSA Exam

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Blockchain CBSA Exam Questions

Question 1

In common blockchain design, what is one common method to ''chain'' blocks of data together in order?

AStore the hash of the previous block within the current block

BHaving the genesis node store an ordered, mutable array of block hashes

CWriting each block into a separate file on the hard disk of the node

DAssigning an order number to each block so they can be sorted when requested

Answer : A

Question 2

Byzantine Fault Tolerance can be achieved only through a Proof of Work.

AFALSE

BTRUE

Answer : A

Question 3

Which scenario would it be most appropriate for a blockchain solution to implement a Proof of Work or Proof of Stake consensus?

AWhen the blockchain needs to be permissioned

BWhen the aim of the blockchain is to be a trustless as possible

CWhen the blockchain needs to support millions of transactions

DAll of the above

Answer : B

Question 4

A Smart Contract is most like which classical programming object?

AClass

BVariable

CMethod

DFunction

Answer : D

Question 5

How are blocks of data ''chained'' together to ensure the integrity of transactions?

AThe hash of the previous block is written to the header of the current block

BThe ID of the previous block is stored in the current block

CA public key is stored in each block for data decryption

DThe hash of the genesis block is kept in all block headers

Answer : A

Question 6

In common blockchain design, what is one common method to ''chain'' blocks of data together in order?

AStore the hash of the previous block within the current block

BHaving the genesis node store an ordered, mutable array of block hashes

CWriting each block into a separate file on the hard disk of the node

DAssigning an order number to each block so they can be sorted when requested

Answer : A

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CBSA Exam Syllabus

Blockchain CBSA Exam Syllabus