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CBSA Practice Questions

BTA Certified Blockchain Solution Architect

Last Update 1 day ago
Total Questions : 229

Dive into our fully updated and stable CBSA practice test platform, featuring all the latest Blockchain Solution Architect exam questions added this week. Our preparation tool is more than just a Blockchain study aid; it's a strategic advantage.

Our free Blockchain Solution Architect practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about CBSA. Use this test to pinpoint which areas you need to focus your study on.

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Question # 21

The block creation time is set to how many minutes in Bitcoin? 

Options:

A.  

1

B.  

10

C.  

120

D.  

100

E.  

15

F.  

150

Discussion 0
Question # 22

What type of encryption is shown below and is commonly used in blockchain cryptography? 

Question # 22

Options:

A.  

Diffie-Hellman

B.  

Asymmetric Encryption

C.  

Synchronous

D.  

Asynchronous

E.  

Symmetric Encryption

Discussion 0
Question # 23

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

Options:

A.  

Legal

B.  

Utility

C.  

Equity

D.  

Financial

Discussion 0
Question # 24

A private blockchain like Hyperledger would be the right choice for which scenario:

Options:

A.  

An enterprise that needs to build a scalable, secure, permissioned blockchain application

B.  

A network of family members who want to share passwords and other secure information with one another

C.  

Developers who want to rapidly prototype public blockchain solutions

D.  

A startup that desires to build a token and blockchain application for their users

E.  

All of the above

Discussion 0
Question # 25

By default, who can see transaction details on a public/open blockchain?

Options:

A.  

The initiator

B.  

Everyone

C.  

The recipient of a transaction

D.  

The network owner / administrator

Discussion 0
Question # 26

What are two reasons that you would consider implementing a POW algo in your blockchain? (Select two.)

Options:

A.  

PoW imposes no limits on actions in the network and therefore can thwart attacks better than other algos due to high cost

B.  

What matters is to have large computational power to solve the puzzles and form new blocks over having a financial stake.

C.  

PoW imposes some limits on actions in the network and therefore can thwart attacks better than other algos due to high cost

D.  

The algo is energy efficient compared to POS and BFT

E.  

The algo is energy efficient compared to POS and DPOS

Discussion 0
Question # 27

The gas price is a value set by the creator of the blockchain transaction? (Select best answer.)

Options:

A.  

FALSE

B.  

Its Negotiable

C.  

TRUE

Discussion 0
Question # 28

Regarding Ethereum contracts, the contracts can call (perform) two specific message calls. The message calls are either _____________ or __________? (Select two.)

Options:

A.  

Bitcoin nodes

B.  

Send Ether to non-contract

C.  

DApps

D.  

Other contracts

E.  

Ether Nodes

Discussion 0
Question # 29

In common blockchain design, identity and transaction approval is possible through:

Options:

A.  

AES encryption

B.  

Public key cryptography

C.  

Secret key cryptography

D.  

None of the above

Discussion 0
Question # 30

In the EVM every account has a persistent key-value store mapping 256-bit words to 256-bit words called ________

Options:

A.  

Gas

B.  

Space

C.  

Storage

D.  

Datastore

E.  

Database

Discussion 0
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