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Effective Study Techniques for the Blockchain CBSA Exam

Questions 51

There are two types of tokens in blockchain solutions. (Select two.)

Options:

A.

Legal

B.

Utility

C.

Equity

D.

Financial

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Questions 52

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

Options:

A.

.Net

B.

Javascript

C.

C++

D.

Node.js

E.

PHP

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Questions 53

What are two challenges with using a Proof of Work algorithm? (Select two.)

Options:

A.

Mining pools not allowed

B.

Difficulty rate goes done every year.

C.

Expensive

D.

Power Intensive

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Questions 54

Geth uses what port to expose the Ethereum RPC Service?

Options:

A.

2096

B.

8545

C.

4096

D.

2545

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Questions 55

On the Ethereum blockchain the “nonce” of a transaction:

Options:

A.

Holds the gas amount to be paid to the miner writing the block that contains the transaction

B.

Is used to ensure that transactions by a given account are written in sequential order

C.

Is reset to zero after each successfully mined blocked

D.

Must always start with four zeroes

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Questions 56

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

Options:

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.

Any flaw discovered in their code can quickly be updated and redeployed

D.

They are Turing complete and deterministic in nature

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Questions 57

The CA (Fabric CA by default) issues a ______________ to each member (organization or individual) that is authorized to join the network.

Options:

A.

rootCert

B.

tCert

C.

eCert

D.

NodeCert

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Questions 58

The word “Drapp” or “DApp” is most commonly understood to mean what?

Options:

A.

Distributed Application

B.

Distributed Apps and Programs

C.

Decentralized Application

D.

Distributed Autonomous Application

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Questions 59

To prevent duplicate addresses/accounts from being generated on the same blockchain network, the input of the hash function that generates the address:

Options:

A.

Should never be plain text

B.

Should always be numerical

C.

Should first be encrypted

D.

Should contain enough entropy or randomness

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Questions 60

A chaincode package that was signed at creation can be handed over to other owners for inspection and signing in Hyperledger.

Is it true that the workflow supports out-of-band signing of chaincode package?

Options:

A.

TRUE

B.

FALSE

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Exam Code: CBSA
Exam Name: BTA Certified Blockchain Solution Architect
Last Update: Dec 4, 2024
Questions: 229

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