Blockchain CBSA Exam Practice Test Instant Access

Question 1

Which of these desired outcomes is best obtained through a Blockchain solution?

APending financial transactions need to be stored until completed and then should be deleted

BA website that shows current data from various stock markets

CA mobile app that displays information about today's weather

DNone of the above

Answer : B

Question 2

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

AAES encryption

BPublic key cryptography

CSecret key cryptography

DNone of the above

Answer : D

Question 3

A product's supply chain data is stored on blockchain. Only members of the product supply chain can write announcements to the blockchain but any consumer can query this data in a store to learn more about the product they want to buy. This is an example of a ____/____ blockchain.

Apublic /closed

Bprivate / open

Cprivate / closed

Dpublic / open

Answer : B

Question 4

Ownership or partial ownership of an asset can be tracked with which type of token?

AEquity

BUtility

CEthereum

DGame-based

Answer : B

Question 5

Proof of Stake offers which advantage over Proof of Work?

AGreater transaction speed

BIt is compatible with new generation chipsets

CIt has a longer history and deeper knowledge base

DNone of the above

Answer : D

Question 6

Consider the following scenario: A solo app developer wants to create their own cryptocurrency and build a blockchain based that allows users to buy and sell second-hand items with that cryptocurrency from each other. Before the transaction is considered complete, the purchaser must put the funds in an escrow service and the sender must enter the courier tracking number into that same escrow. Time is of the essence and this developer doesn't want to worry about networking of infrastructure. This app must be fully autonomous or ''decentralized''.

Which architecture would best solve the product need?

AEthereum for token creation and escrow service; User-facing features built with web technologies and deployed through IPFS

BEthereum for token creation; Traditional multitier API and database for escrow service; User-facing features built in web technologies then minified unto a String and deployed to an Ethereum Smart Contract

CHyperledger Fabric for the escrow service and token creation using chaincode; User-facing features built with Hyperledger Composer

DThe product cannot be built. Fully decentralized apps are not yet possible for user interface

Answer : B

Question 7

Taking a series of unrelated transactions and writing them to a particular block is:

AHighly insecure and considered bad practice

BMost common in public blockchain

CMost common in permissioned blockchains

DRequired among all blockchains

Answer : A

Blockchain CBSA BTA Certified Blockchain Solution Architect Exam Practice Test