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CBSA Exam Dumps - BTA Certified Blockchain Solution Architect

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Question # 17

Adding more nodes to a blockchain network has which effect?

A.

Increased centralization

B.

Increased security

C.

Decreased costs

D.

Increased performance

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Question # 18

In Hyperledger Fabric, the smart contract logic is also called by two other names _______________ and ______________? (Select two.)

A.

CordApps

B.

DApps

C.

Programmatic Logic

D.

Ripple

E.

Chaincode

F.

Ledger

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Question # 19

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

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Question # 20

You are using Geth and you would like to list the accounts controlled by the node.

What is the command?

A.

geth list accounts

B.

geth account node list

C.

geth account node

D.

geth account list

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Question # 21

Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?

A.

.Net

B.

Viper

C.

LLL

D.

Solidity

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Question # 22

Which of the following hashing algos is considered to be the strongest?

A.

RSA

B.

SHA-2

C.

AES

D.

MD-5

E.

SHA

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Question # 23

What are two cryptocurrencies that you would expect to see mining equipment with ASICS? (Select two.)

A.

Bitcoin

B.

Ethereum

C.

Neo

D.

Litecoin

E.

Monero

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Question # 24

The first actual known blockchain software implementation and deployment occurred:

A.

In 1991 by Stuart Haber

B.

In 2011 Markus Persson

C.

In 2009 by Satoshi Nakamoto

D.

In 1991 by Linus Torvalds

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