Free CBSA Exam Questions - Easiest Way for Success

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Total 230 Questions | Updated On: Sep 12, 2024

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Question 1

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

A : AES encryption

B : Public key cryptography

C : Secret key cryptography

D : None of the above

Answer: D

Question 2

Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.

A : NSA is spying on us so what's it matters.

B : Depends on input

C : False

D : True

Answer: D

Question 3

Consider the following scenario. A startup is building a chat app for smart phones where the messages sent between users are anonymous and get destroyed within 24 hours of being sent.

Which architecture would best solve the product need?

A : Ethereum for token management and chat messages; Mobile apps use JSON-RPC to communicate directly with Smart Contracts

B : Private blockchain to persist chat messages; Custom built token system with private blockchain smart contract

C : Token management for shareholders in a public blockchain; Mobile apps and data management built on existing multitier systems without use of blockchain

D : Hybrid blockchain for token management with Proof of Stake; private blockchain to persist the chat messages

Answer: C

Question 4

What is the accepted best practice for preventing contract addresses from changing when a new contract is released?

A : Move your contract to a new blockchain

B : Delete the old contract and add the new version in its place

C : Addresses always change so use a calling contract

D : Use the ''- -addressForce'' parameter when releasing a new contract

Answer: D

Question 5

Which cryptocurrency is also known as 'Smart Money'in the blockchain world?

A : Ether

B : BTC

C : Monero

D : Litecoin

Answer: A

Page: 1 / 46

Total 230 Questions | Updated On: Sep 12, 2024

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