CBDH Online Practice Questions and Answers

To ship goods, an entity needs to model an entity that is not an asset, participant transaction. or event. How would this be done?

A. Option A

B. Option B

C. Option C

D. Option D

A member can participate in multiple Hyperledger blockchain networks by way of_______

A. Channels

B. Peers

C. DLT

D. World State

The keyword is used if you do not want the resource to be instantiated while still used as a super type for the other resources of that type.

A. extends

B. noinstantiate

C. concrete

D. abstract

Which ONE is valid?

A. asset StockCettificate identified by ID{

B. participant Stockholder extends StockCertificate{

C. asset Bond Certificate extends StockCertificate {

D. Bond Certificate extends StockCertificate {

Exhibit.

What does the code snippet displayed do?

A. It is called on deploy to initialize the ledger

B. It is called per deletion of the chamcode

C. It is called on redploy or upgrade to build the blockchain

D. It is called per transaction on the chaincode

Exhibit.

Based on the code snippet, the unique identifier for the Delivery is:

A. status

B. trackingld

C. gpsReadings

D. contract

When compared to public blockchain technologies, what are key Hyperledger Fabric differences?

A. Privacy

B. Confidentiality

C. Provisionmg/Permissioning

D. All of the above

Asset and participant are______in the modeling language.

A. Reserved words

B. Common

C. Undeclared

Which of the following would not be a good use case for Hyperledger Fabric?

A. Cryptocurrency Exchange

B. Compliance Ledger

C. Business Contracts

D. Asset Exchange

Consensus algorithms are used because _______________ A. They can include specific rules or conditions to be met

B. They increase the network security from hacking

C. They prevent blockchain node failure

D. They increase network speed

What function is used to call the shim.Start function below?

A. import

B. init

C. main

D. type

Level DB is the default database for Hyperledger Fabric and is particularly appropriate when ledger states comprise what type of data?

A. Complex key-value pairs

B. Rich Queries

C. JSON data pairs

D. Simple key-value pairs

The Hyperledger Fabric framework is implemented on what programming environment?

A. C++

B. Node.js

C. Go

D. PHP

E. Javascript

F. Python

What component on the blockchain maintains the "world state"?

A. Consensus Algorithm

B. Reputation Manager

C. Consensus Manager

D. Distributed Ledger

Hyperledger Fabric Ledger has two parts. What are they?

A. Stateless Data and Snapshots

B. State Data and Transaction Logs

C. State Data and Membership Logs

D. Stateful Data and Membership Logs

E. State data and Snapshots