CBSA Exam Questions and Answers | Exam-Dumps (Page: 4)

QUESTION: 16

In the Ethereum EVM there are two types of memory areas. (Select two.)

Storage
Database
Memory
Persistent
Ephemeral

Answer(s): A,C

Reference:

https://solidity.readthedocs.io/en/latest/introduction-to-smart-contracts.html#the-ethereum-virtual-machine

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QUESTION: 17

What are some advantages of Proof of Stake(POS) mining over Proof of Work(POW) mining? (Select three.)

Energy efficient in regards to that it could consume for electricity as compared to PoW
Faster Hashing algorithms
No need for expensive compared to POW
Faster validations compared to POW
Better blockchain security compared to POW

Answer(s): A,C,D

Explanation:

This eliminates the below challenges from PoW and believed to have an advantage.
No need of expensive hardware (a normal laptop or computer running the respective coin’s Validator client will do as long as your laptop or computer is online)
Energy efficient as it won’t consume high electricity as PoW does More loyal Validators As higher the stake the Validators have for a long time, more chances for the Validator to be picked up for “forging” and earn the transaction fee Faster validations

Reference:

https://medium.com/@karthik.seshu/cryptocurrency-proof-of-work-vs-proof-of-stake-e1eee1420b10

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QUESTION: 18

Application Specific Integrated Circuit (ASIC) are used always in enterprise blockchains.

TRUE
FALSE

Answer(s): B

Explanation:

ASICS are generally used in blockchains such as BTC that have a Proof of Work consensus due to competition

Reference:

https://www.trymining.com/pages/asic-vs-gpu

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QUESTION: 19

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

Diffie-Hellman
Asymmetric Encryption
Synchronous
Asynchronous
Symmetric Encryption

Answer(s): B

Explanation:

Asymmetric cryptography utilizes two different keys, a public key and a private to encrypt and decrypt a particular data. The use of one key cancels out the use of the other.

Reference:

https://blockgeeks.com/guides/cryptocurrencies-cryptography/

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QUESTION: 20

An encryption algorithm transforms plain text into cipher text using a key?

TRUE
FALSE

Answer(s): A

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Blockchain CBSA Exam (page: 4) Blockchain BTA Certified Solution Architect Updated on: 12-Feb-2026

QUESTION: 16

Reference:

QUESTION: 17

Explanation:

Reference:

QUESTION: 18

Explanation:

Reference:

QUESTION: 19

Explanation:

Reference:

QUESTION: 20

Blockchain CBSA Exam (page: 4)
Blockchain BTA Certified Solution Architect
Updated on: 12-Feb-2026